All Stories

  1. David A. Washburn (1961–2025).

    Article • American Psychologist, April 2026, American Psychological Association (APA)

    Michael Beran

  2. Does new evidence affect chimpanzees’ beliefs or expectations?

    Article • Journal of Experimental Psychology Animal Learning and Cognition, March 2026, American Psychological Association (APA)

    Michael Beran, Michael Beran

  3. Is it weird in here and does comparative cognition suffer from main-character syndrome?

    Article • Journal of Comparative Psychology, February 2026, American Psychological Association (APA)

    Michael Beran, Michael Beran

  4. Ready Player One? Virtual environments as a tool for studying spatial cognition in nonhuman primates.

    Article • Journal of Comparative Psychology, August 2025, American Psychological Association (APA)

    Michael Beran, Michael Beran

  5. Will monkeys wager differently as a function of stimulus fluency or when making immediate versus delayed judgements of memory?

    Article • Psihologijske teme, April 2025, Faculty of Humanities and Social Sciences University of Rijeka

    Michael Beran

  6. One smell, two smells, intermixed, combined, or queued smells: What training procedure promotes the best generalization of odor detection by dogs?

    Article • Journal of Comparative Psychology, February 2025, American Psychological Association (APA)

    Michael Beran, Michael Beran

  7. Monkeys overestimate connected arrays in a relative quantity task: A reverse connectedness illusion

    Article • Attention Perception & Psychophysics, November 2024, Springer Science + Business Media

    Michael Beran

  8. Fins, feathers, fingers, and finding an explanation for the puzzle of ephemeral rewards.

    Article • Journal of Comparative Psychology, August 2024, American Psychological Association (APA)

    Michael Beran, Michael Beran

  9. For the sake of curiosity: Humans but not capuchins (Sapajus apella) collect counterfactual information on a computerized gambling task

    Article • Animal Behavior and Cognition, August 2024, Animal Behavior and Cognition

    Michael Beran

  10. Maze runners: monkeys show restricted Arabic numeral summation during computerized two-arm maze performance

    Article • Animal Cognition, March 2024, Springer Science + Business Media

    Michael Beran

  11. On parrots, delay of gratification, executive function, and how sometimes we do the best we can.

    Article • Journal of Comparative Psychology, February 2024, American Psychological Association (APA)

    Michael Beran, Michael Beran

  12. Editorial.

    Article • Journal of Comparative Psychology, February 2024, American Psychological Association (APA)

    Michael Beran

  13. Why do distractions sometimes aid self-control? Pigeons (Columba livia) highlight possible mechanisms underlying the distraction effect.

    Article • Journal of Comparative Psychology, August 2023, American Psychological Association (APA)

    Michael Beran, Michael Beran

  14. I am as fooled as you are, say some primates … but only sometimes.

    Article • Journal of Comparative Psychology, May 2023, American Psychological Association (APA)

    Michael Beran, Michael Beran

  15. Consistently Inconsistent Perceptual Illusions in Nonhuman Primates: The Importance of Individual Differences

    Article • Animals, December 2022, MDPI AG

    Michael Beran

  16. Congratulations to Animal Cognition on its 50th birthday! Some thoughts on the last 50 years of animal cognition research

    Article • Animal Cognition, October 2022, Springer Science + Business Media

    Michael Beran

  17. Primate Cognitive Studies

    Article • July 2022, Cambridge University Press

    Michael Beran

  18. Assessing the perception of face pareidolia in children (Homo sapiens), rhesus monkeys (Macaca mulatta), and capuchin monkeys (Sapajus apella).

    Article • Journal of Comparative Psychology, July 2022, American Psychological Association (APA)

    Michael Beran

  19. I’ll (not) take that: The reverse-reward contingency task as a test of self-control and inhibition

    Article • Learning & Behavior, July 2022, Springer Science + Business Media

    Michael Beran

  20. Children (Homo sapiens), but not rhesus monkeys (Macaca mulatta), perceive the one-is-more illusion.

    Article • Journal of Comparative Psychology, April 2022, American Psychological Association (APA)

    Joseph McKeon, Michael Beran

  21. Michael J. Beran

    Article • January 2022, Springer Science + Business Media

    Michael Beran

  22. Proto-counting

    Article • January 2022, Springer Science + Business Media

    Michael Beran

  23. The evolution of quantitative sensitivity

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, December 2021, Royal Society Publishing

    Jennifer Vonk, Michael Beran

  24. Nonhuman primates learn adjacent dependencies but fail to learn nonadjacent dependencies in a statistical learning task with a salient cue

    Article • Learning & Behavior, September 2021, Springer Science + Business Media

    Michael Beran

  25. Focality and prospective memory in preschool children

    Article • The Journal of General Psychology, September 2021, Taylor & Francis

    Michael Beran

  26. Launch! Self-agency as a discriminative cue for humans (Homo sapiens) and monkeys (Macaca Mulatta).

    Article • Journal of Experimental Psychology General, September 2021, American Psychological Association (APA)

    Barbara Church, Michael Beran, Michael Beran

  27. A chimpanzee recognizes varied acoustical versions of sine-wave and noise-vocoded speech

    Article • Animal Cognition, February 2021, Springer Science + Business Media

    Michael Beran

  28. Non-human primate token use shows possibilities but also limitations for establishing a form of currency

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, January 2021, Royal Society Publishing

    Michael Beran

  29. Go if you know: Preschool children’s movements reflect their metacognitive monitoring

    Article • Cognitive Development, January 2021, Elsevier

    Michael Beran

  30. Assessing consistency in children’s and monkeys’ performance across computerized and manual detour problem tasks

    Article • Behavioural Processes, January 2021, Elsevier

    Michael Beran

  31.  

    Article • American Journal of Primatology, October 2020, Wiley

    Michael Beran

  32. Words matter: Reflections on language projects with chimpanzees and their implications

    Article • American Journal of Primatology, August 2020, Wiley

    Michael Beran

  33. Capuchin monkeys (sometimes) go when they know: Confidence movements in Sapajus apella

    Article • Cognition, June 2020, Elsevier

    Michael Beran

  34. Post-event misinformation effects in a language-trained chimpanzee (Pan troglodytes)

    Article • Animal Cognition, May 2020, Springer Science + Business Media

    Michael Beran

  35. The density bias: Capuchin monkeys (Sapajus apella) prefer densely arranged items in a food-choice task.

    Article • Journal of Comparative Psychology, May 2020, American Psychological Association (APA)

    Michael Beran, Michael Beran

  36. Are the roots of human economic systems shared with non-human primates?

    Article • Neuroscience & Biobehavioral Reviews, February 2020, Elsevier

    Michael Beran

  37. Outcome expectancy and suboptimal risky choice in nonhuman primates

    Article • Learning & Behavior, January 2020, Springer Science + Business Media

    Michael Beran

  38. Proto-counting

    Article • January 2020, Springer Science + Business Media

    Michael Beran

  39. Correction: Establishing an infrastructure for collaboration in primate cognition research

    Article • PLOS One, November 2019, PLOS

    Michael Beran

  40. Collaborative open science as a way to reproducibility and new insights in primate cognition research

    Article • October 2019, Center for Open Science

    Michael Beran

  41. Collaborative open science as a way to reproducibility and new insights in primate cognition research

    Article • October 2019, Center for Open Science

    Michael Beran

  42. Establishing an infrastructure for collaboration in primate cognition research

    Article • PLOS One, October 2019, PLOS

    Michael Beran

  43. Correction to: Linear numerosity illusions in capuchin monkeys (Sapajus apella), rhesus macaques (Macaca mulatta), and humans (Homo sapiens)

    Article • Animal Cognition, July 2019, Springer Science + Business Media

    Michael Beran

  44. Divide and Conquer

    Article • Experimental Psychology (formerly Zeitschrift für Experimentelle Psychologie), July 2019, Hogrefe Publishing Group

    Michael Beran, Michael Beran

  45. Linear numerosity illusions in capuchin monkeys (Sapajus apella), rhesus macaques (Macaca mulatta), and humans (Homo sapiens)

    Article • Animal Cognition, June 2019, Springer Science + Business Media

    Michael Beran

  46. Simultaneous versus prospective/retrospective uncertainty monitoring: The effect of response competition across cognitive levels.

    Article • Journal of Experimental Psychology Animal Learning and Cognition, April 2019, American Psychological Association (APA)

    Barbara Church, Michael Beran

  47. Establishing an infrastructure for collaboration in primate cognition research

    Article • April 2019, Center for Open Science

    Michael Beran

  48. Exploring the Jastrow Illusion in Humans (Homo sapiens), Rhesus Monkeys (Macaca mulatta), and Capuchin Monkeys (Sapajus apella)

    Article • Perception, March 2019, SAGE Publications

    Michael Beran

  49. Do monkeys show evidence of mental number line?

    Article • Journal of Comparative Psychology, March 2019, American Psychological Association (APA)

    Michael Beran, Michael Beran

  50. All Hail Suboptimal Choice! Now, Can We "Fix" It?

    Article • Comparative Cognition & Behavior Reviews, January 2019, Comparative Cognition Society

    Michael Beran

  51. Monkey Memory: Rehearsal Emerges for Novel Images When Familiarity Cues Fade

    Article • Current Biology, December 2018, Elsevier

    Michael Beran

  52. Working memory in children assessed with serial chaining and Simon tasks

    Article • Behavioural Processes, December 2018, Elsevier

    Michael Beran

  53. A computerized testing system for primates: Cognition, welfare, and the Rumbaughx

    Article • Behavioural Processes, November 2018, Elsevier

    Michael Beran

  54. Task switching in rhesus macaques (Macaca mulatta) and tufted capuchin monkeys (Cebus apella) during computerized categorization tasks.

    Article • Journal of Experimental Psychology Animal Learning and Cognition, July 2018, American Psychological Association (APA)

    Michael Beran

  55. Duane M. Rumbaugh (1929–2017).

    Article • American Psychologist, July 2018, American Psychological Association (APA)

    Michael Beran

  56. An Investigation of Prospective Memory with Output Monitoring in Preschool Children

    Article • The American Journal of Psychology, July 2018, University of Illinois Press

    Michael Beran

  57. I scan, therefore I decline: The time course of difficulty monitoring in humans (homo sapiens) and macaques (macaca mulatta).

    Article • Journal of Comparative Psychology, May 2018, American Psychological Association (APA)

    Michael Beran

  58. Chimpanzees show some evidence of selectively acquiring information by using tools, making inferences, and evaluating possible outcomes

    Article • PLOS One, April 2018, PLOS

    Michael Beran

  59. Visual artificial grammar learning by rhesus macaques (Macaca mulatta): exploring the role of grammar complexity and sequence length

    Article • Animal Cognition, February 2018, Springer Science + Business Media

    Michael Beran

  60. Exploring the solitaire illusion in guppies (Poecilia reticulata).

    Article • Journal of Comparative Psychology, February 2018, American Psychological Association (APA)

    Michael Beran

  61. Self-Control in Chimpanzees Relates to General Intelligence

    Article • Current Biology, February 2018, Elsevier

    Michael Beran

  62. Simians in the Shape School: A comparative study of executive attention

    Article • Learning & Behavior, January 2018, Springer Science + Business Media

    Michael Beran

  63. Mental Time Travel

    Article • January 2018, Elsevier

    Michael Beran, Michael Beran

  64. Worth Waiting For

    Article • January 2018, Elsevier

    Michael Beran, Michael Beran

  65. Is Self-Control Like a Muscle?

    Article • January 2018, Elsevier

    Michael Beran, Michael Beran

  66. Children’s Delay of Gratification

    Article • January 2018, Elsevier

    Michael Beran, Michael Beran

  67. Human Intertemporal Choices

    Article • January 2018, Elsevier

    Michael Beran, Michael Beran

  68. Delayed Gratification

    Article • January 2018, Springer Science + Business Media

    Michael Beran, Michael Beran

  69. Varieties of Self-Control

    Article • January 2018, Elsevier

    Michael Beran

  70. Are Animal Tests of Self-Control All Measuring the Same Thing?

    Article • January 2018, Elsevier

    Michael Beran

  71. Do Animals Flex Their Own Self-Control “Muscle”?

    Article • January 2018, Elsevier

    Michael Beran

  72. How Do We Know Whether We Are Measuring Self-Control? Methodological Concerns Lead to a New Test

    Article • January 2018, Elsevier

    Michael Beran

  73. Intertemporal Choices by Nonhuman Animals

    Article • January 2018, Elsevier

    Michael Beran

  74. Other Tests of Self-Control and Delay of Gratification in Animals

    Article • January 2018, Elsevier

    Michael Beran

  75. Self-Control and Social Settings

    Article • January 2018, Elsevier

    Michael Beran

  76. Self-Control in Animals and People

    Article • January 2018, Elsevier

    Michael Beran

  77. The Reversed-Reward Contingency Task—Why Pointing Away from What You Want Is So Difficult For Animals

    Article • January 2018, Elsevier

    Michael Beran

  78. What Is Self-Control and What Is It Good For?

    Article • January 2018, Elsevier

    Michael Beran

  79. Would Animals Pass a Version of the Marshmallow Test?

    Article • January 2018, Elsevier

    Michael Beran

  80. Rhesus monkeys (Macaca mulatta) remember agency information from past events and integrate this knowledge with spatial and temporal features in working memory

    Article • Animal Cognition, December 2017, Springer Science + Business Media

    Michael Beran

  81. Dealing with interference: Chimpanzees respond to conflicting cues in a food-choice memory task.

    Article • Journal of Experimental Psychology Animal Learning and Cognition, October 2017, American Psychological Association (APA)

    Michael Beran

  82. Human and monkey responses in a symmetric game of conflict with asymmetric equilibria

    Article • Journal of Economic Behavior & Organization, October 2017, Elsevier

    Michael Beran

  83. Within-session reversal learning in rhesus macaques (Macaca mulatta)

    Article • Animal Cognition, July 2017, Springer Science + Business Media

    Michael Beran

  84. Gambling in rhesus macaques (Macaca mulatta): The effect of cues signaling risky choice outcomes

    Article • Learning & Behavior, April 2017, Springer Science + Business Media

    Michael Beran

  85. Exploring whether nonhuman primates show a bias to overestimate dense quantities.

    Article • Journal of Comparative Psychology, February 2017, American Psychological Association (APA)

    Michael Beran

  86. Michael J. Beran

    Article • January 2017, Springer Science + Business Media

    Michael Beran, Michael Beran

  87. Addition

    Article • January 2017, Springer Science + Business Media

    Michael Beran, Michael Beran

  88. Approximate Number System (ANS)

    Article • January 2017, Springer Science + Business Media

    Michael Beran

  89. Quantitative cognition.

    Article • January 2017, American Psychological Association (APA)

    Michael Beran

  90. The number sense is neither last resort nor of primary import

    Article • Behavioral and Brain Sciences, January 2017, Cambridge University Press

    Michael Beran

  91. To Err Is (Not Only) Human: Fallibility as a Window Into Primate Cognition

    Article • Comparative Cognition & Behavior Reviews, January 2017, Comparative Cognition Society

    Michael Beran

  92. How Illusory Is the Solitaire Illusion? Assessing the Degree of Misperception of Numerosity in Adult Humans

    Article • Frontiers in Psychology, October 2016, Frontiers

    Michael Beran

  93. Chimpanzees can point to smaller amounts of food to accumulate larger amounts but they still fail the reverse-reward contingency task.

    Article • Journal of Experimental Psychology Animal Learning and Cognition, October 2016, American Psychological Association (APA)

    Michael Beran

  94. From “sense of number” to “sense of magnitude”: The role of continuous magnitudes in numerical cognition

    Article • Behavioral and Brain Sciences, August 2016, Cambridge University Press

    Dr Tali Leibovich, Michael Beran

  95. Testing the Glucose Hypothesis among Capuchin Monkeys: Does Glucose Boost Self-Control?

    Article • Behavioral Sciences, August 2016, MDPI AG

    Michael Beran

  96. Self-control assessments of capuchin monkeys with the rotating tray task and the accumulation task

    Article • Behavioural Processes, August 2016, Elsevier

    Michael Beran

  97. Primate cognition: attention, episodic memory, prospective memory, self‐control, and metacognition as examples of cognitive control in nonhuman primates

    Article • Wiley Interdisciplinary Reviews Cognitive Science, June 2016, Wiley

    Michael Beran

  98. Chimpanzees, cooking, and a more comparative psychology

    Article • Learning & Behavior, April 2016, Springer Science + Business Media

    Michael Beran

  99. The elusive illusion: Do children (Homo sapiens) and capuchin monkeys (Cebus apella) see the Solitaire illusion?

    Article • Journal of Experimental Child Psychology, February 2016, Elsevier

    Michael Beran

  100. Capuchin monkeys (Cebus apella) modulate their use of an uncertainty response depending on risk.

    Article • Journal of Experimental Psychology Animal Learning and Cognition, January 2016, American Psychological Association (APA)

    Michael Beran

  101. Capuchin monkeys (Cebus apella) treat small and large numbers of items similarly during a relative quantity judgment task

    Article • Psychonomic Bulletin & Review, December 2015, Springer Science + Business Media

    Michael Beran

  102. Commentary: A crisis in comparative psychology: where have all the undergraduates gone?

    Article • Frontiers in Psychology, December 2015, Frontiers

    Michael Beran

  103. Chimpanzee food preferences, associative learning, and the origins of cooking

    Article • Learning & Behavior, December 2015, Springer Science + Business Media

    Michael Beran

  104. “Zeroing” in on mathematics in the monkey brain

    Article • Learning & Behavior, October 2015, Springer Science + Business Media

    Michael Beran

  105. Do you see what I see? A comparative investigation of the Delboeuf illusion in humans (Homo sapiens), rhesus monkeys (Macaca mulatta), and capuchin monkeys (Cebus apella).

    Article • Journal of Experimental Psychology Animal Learning and Cognition, October 2015, American Psychological Association (APA)

    Michael Beran

  106. Animal Memory: Chimpanzees Anticipate What Comes Next in Short Movies

    Article • Current Biology, October 2015, Elsevier

    Michael Beran

  107. Chimpanzee Cognitive Control

    Article • Current Directions in Psychological Science, October 2015, SAGE Publications

    Michael Beran

  108. Go when you know: Chimpanzees’ confidence movements reflect their responses in a computerized memory task

    Article • Cognition, September 2015, Elsevier

    Michael Beran

  109. Trading up: chimpanzees (Pan troglodytes) show self-control through their exchange behavior

    Article • Animal Cognition, September 2015, Springer Science + Business Media

    Michael Beran

  110. Waiting for what comes later: capuchin monkeys show self-control even for nonvisible delayed rewards

    Article • Animal Cognition, May 2015, Springer Science + Business Media

    Michael Beran

  111. Looking ahead? Computerized maze task performance by chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), capuchin monkeys (Cebus apella), and human children (Homo sapiens).

    Article • Journal of Comparative Psychology, May 2015, American Psychological Association (APA)

    Michael Beran

  112. Rhesus macaques (Macaca mulatta) exhibit the decoy effect in a perceptual discrimination task

    Article • Attention Perception & Psychophysics, April 2015, Springer Science + Business Media

    Michael Beran

  113. Do rhesus monkeys (Macaca mulatta) perceive illusory motion?

    Article • Animal Cognition, March 2015, Springer Science + Business Media

    Michael Beran

  114. A Longitudinal Assessment of Vocabulary Retention in Symbol-Competent Chimpanzees (Pan troglodytes)

    Article • PLOS One, February 2015, PLOS

    Michael Beran

  115. Defining value through quantity and quality—Chimpanzees (Pan troglodytes) undervalue food quantities when items are broken

    Article • Behavioural Processes, February 2015, Elsevier

    Michael Beran

  116. The comparative science of “self-control”: what are we talking about?

    Article • Frontiers in Psychology, January 2015, Frontiers

    Michael Beran

  117. The misbehaviour of a metacognitive monkey

    Article • Behaviour, January 2015, Brill

    Michael Beran

  118. Animal Memory: Rats Bind Event Details into Episodic Memories

    Article • Current Biology, December 2014, Elsevier

    Michael Beran

  119. The Relationship between Event-Based Prospective Memory and Ongoing Task Performance in Chimpanzees (Pan troglodytes)

    Article • PLOS One, November 2014, PLOS

    Michael Beran

  120. Do primates see the solitaire illusion differently? A comparative assessment of humans (Homo sapiens), chimpanzees (Pan troglodytes), rhesus monkeys (Macaca mulatta), and capuchin monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, November 2014, American Psychological Association (APA)

    Michael Beran

  121. Chimpanzees sometimes see fuller as better: Judgments of food quantities based on container size and fullness

    Article • Behavioural Processes, March 2014, Elsevier

    Michael Beran

  122. Working and waiting for better rewards: Self-control in two monkey species (Cebus apella and Macaca mulatta)

    Article • Behavioural Processes, March 2014, Elsevier

    Michael Beran

  123. Do monkeys choose to choose?

    Article • Learning & Behavior, February 2014, Springer Science + Business Media

    Michael Beran

  124. Do rhesus monkeys (Macaca mulatta) perceive the Zöllner illusion?

    Article • Psychonomic Bulletin & Review, January 2014, Springer Science + Business Media

    Michael Beran

  125. A tale of two comparative psychologies: Reply to commentaries.

    Article • Journal of Comparative Psychology, January 2014, American Psychological Association (APA)

    Michael Beran

  126. Animal metacognition: A tale of two comparative psychologies.

    Article • Journal of Comparative Psychology, January 2014, American Psychological Association (APA)

    Michael Beran

  127. Cashing out: The decisional flexibility of uncertainty responses in rhesus macaques (Macaca mulatta) and humans (Homo sapiens).

    Article • Journal of Experimental Psychology Animal Learning and Cognition, January 2014, American Psychological Association (APA)

    Michael Beran

  128. Delay of gratification by orangutans (Pongo pygmaeus) in the accumulation task.

    Article • Journal of Comparative Psychology, January 2014, American Psychological Association (APA)

    Michael Beran

  129. Relative quantity judgments between discrete spatial arrays by chimpanzees (Pan troglodytes) and New Zealand robins (Petroica longipes).

    Article • Journal of Comparative Psychology, January 2014, American Psychological Association (APA)

    Michael Beran

  130. The uncertainty response in animal-metacognition researchers.

    Article • Journal of Comparative Psychology, January 2014, American Psychological Association (APA)

    Michael Beran

  131. What are my chances? Closing the gap in uncertainty monitoring between rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella).

    Article • Journal of Experimental Psychology Animal Learning and Cognition, January 2014, American Psychological Association (APA)

    Michael Beran

  132. The Highs and Lows of Theoretical Interpretation in Animal-Metacognition Research

    Article • January 2014, Springer Science + Business Media

    Michael Beran

  133. Fading perceptual resemblance: A path for rhesus macaques (Macaca mulatta) to conceptual matching?

    Article • Cognition, December 2013, Elsevier

    Michael Beran

  134. Quantity estimation and comparison in western lowland gorillas (Gorilla gorilla gorilla)

    Article • Animal Cognition, November 2013, Springer Science + Business Media

    Jennifer Vonk, Michael Beran

  135. Preface

    Article • Fixed Point Theory and Applications, September 2013, Springer Science + Business Media

    Michael Beran

  136. When less is more: like humans, chimpanzees (Pan troglodytes) misperceive food amounts based on plate size

    Article • Animal Cognition, August 2013, Springer Science + Business Media

    Michael Beran

  137. Prospective memory in children and chimpanzees

    Article • Animal Cognition, July 2013, Springer Science + Business Media

    Michael Beran

  138. Comparative Approaches to Studying Strategy: Towards an Evolutionary Account of Primate Decision Making

    Article • Evolutionary Psychology, July 2013, SAGE Publications

    Michael Beran

  139. Chimpanzees (Pan troglodytes) can wait, when they choose to: a study with the hybrid delay task

    Article • Animal Cognition, June 2013, Springer Science + Business Media

    Michael Beran

  140. Visual nesting of stimuli affects rhesus monkeys’ (Macaca mulatta) quantity judgments in a bisection task

    Article • Attention Perception & Psychophysics, May 2013, Springer Science + Business Media

    Michael Beran

  141. What counts for ‘counting’? Chimpanzees, Pan troglodytes, respond appropriately to relevant and irrelevant information in a quantity judgment task

    Article • Animal Behaviour, May 2013, Elsevier

    Michael Beran

  142. Language-Trained Chimpanzees ( Pan troglodytes ) Name What They Have Seen but Look First at What They Have Not Seen

    Article • Psychological Science, March 2013, SAGE Publications

    Michael Beran

  143. The hybrid delay task: Can capuchin monkeys (Cebus apella) sustain a delay after an initial choice to do so?

    Article • Behavioural Processes, March 2013, Elsevier

    Michael Beran

  144. Chimpanzees (Pan troglodytes) transfer tokens repeatedly with a partner to accumulate rewards in a self-control task

    Article • Animal Cognition, February 2013, Springer Science + Business Media

    Michael Beran

  145. Delay choice versus delay maintenance: Different measures of delayed gratification in capuchin monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, January 2013, American Psychological Association (APA)

    Michael Beran

  146. Executive-attentional uncertainty responses by rhesus macaques (Macaca mulatta).

    Article • Journal of Experimental Psychology General, January 2013, American Psychological Association (APA)

    Michael Beran

  147. Learning how to “make a deal”: Human (Homo sapiens) and monkey (Macaca mulatta) performance when repeatedly faced with the Monty Hall Dilemma.

    Article • Journal of Comparative Psychology, January 2013, American Psychological Association (APA)

    Michael Beran

  148. Number without language: comparative psychology and the evolution of numerical cognition

    Article • Frontiers in Psychology, January 2013, Frontiers

    Michael Beran

  149. Monkeys exhibit prospective memory in a computerized task

    Article • Cognition, November 2012, Elsevier

    Michael Beran

  150. Implicit and explicit categorization: A tale of four species

    Article • Neuroscience & Biobehavioral Reviews, November 2012, Elsevier

    Michael Beran

  151. Prospective memory in a language-trained chimpanzee (Pan troglodytes)

    Article • Learning and Motivation, November 2012, Elsevier

    Michael Beran

  152. Foundations of Metacognition

    Article • September 2012, Oxford University Press (OUP)

    Michael Beran, Michael Beran

  153. Evidence for animal metaminds

    Article • September 2012, Oxford University Press (OUP)

    Michael Beran

  154. On the nature, evolution, development, and epistemology of metacognition: introductory thoughts

    Article • September 2012, Oxford University Press (OUP)

    Michael Beran

  155. Implicit and explicit category learning by capuchin monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, August 2012, American Psychological Association (APA)

    Michael Beran

  156. Sequential responding and planning in capuchin monkeys (Cebus apella)

    Article • Animal Cognition, July 2012, Springer Science + Business Media

    Michael Beran

  157. Bears ‘count’ too: quantity estimation and comparison in black bears, Ursus americanus

    Article • Animal Behaviour, July 2012, Elsevier

    Jennifer Vonk, Michael Beran

  158. Putting the elephant back in the herd: elephant relative quantity judgments match those of other species

    Article • Animal Cognition, June 2012, Springer Science + Business Media

    Michael Beran

  159. Capuchin monkeys (Cebus apella) let lesser rewards pass them by to get better rewards

    Article • Animal Cognition, June 2012, Springer Science + Business Media

    Michael Beran

  160. Language‐Trained Chimpanzees (Pan troglodytes) Delay Gratification by Choosing Token Exchange Over Immediate Reward Consumption

    Article • American Journal of Primatology, June 2012, Wiley

    Michael Beran

  161. Animal Memory: Rats Can Answer Unexpected Questions about Past Events

    Article • Current Biology, June 2012, Elsevier

    Michael Beran

  162. The highs and lows of theoretical interpretation in animal-metacognition research

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, April 2012, Royal Society Publishing

    Michael Beran

  163. Delaying gratification for food and tokens in capuchin monkeys (Cebus apella) and chimpanzees (Pan troglodytes): when quantity is salient, symbolic stimuli do not improve performance

    Article • Animal Cognition, March 2012, Springer Science + Business Media

    Michael Beran

  164. Animal Metacognition

    Article • March 2012, Oxford University Press (OUP)

    Michael Beran, Michael Beran

  165. Metacognition across Species

    Article • February 2012, Oxford University Press (OUP)

    Michael Beran, Michael Beran

  166. Humans and monkeys show similar skill in estimating uncertain outcomes

    Article • Psychonomic Bulletin & Review, February 2012, Springer Science + Business Media

    Michael Beran

  167. Corrigendum to “Information seeking by rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella)” [Cognition 120 (2011) 90–105]

    Article • Cognition, February 2012, Elsevier

    Michael Beran

  168. Thinking Animals: A Closed Case or an Open Debate?

    Article • Frontiers in Psychology, January 2012, Frontiers

    Michael Beran

  169. Did You Ever Hear the One About the Horse that Could Count?

    Article • Frontiers in Psychology, January 2012, Frontiers

    Michael Beran

  170. Do Social Conditions Affect Capuchin Monkeys’ (Cebus apella) Choices in a Quantity Judgment Task?

    Article • Frontiers in Psychology, January 2012, Frontiers

    Michael Beran

  171. How Is Chimpanzee Self-Control Influenced by Social Setting?

    Article • Scientifica, January 2012, Wiley

    Michael Beran

  172. Quantity judgments of auditory and visual stimuli by chimpanzees (Pan troglodytes).

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2012, American Psychological Association (APA)

    Michael Beran

  173. Rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella) remember future responses in a computerized task.

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2012, American Psychological Association (APA)

    Michael Beran

  174. Uncertainty Monitoring by Young Children in a Computerized Task

    Article • Scientifica, January 2012, Wiley

    Michael Beran

  175. A Serial Reaction Time (SRT) task with symmetrical joystick responding for nonhuman primates

    Article • Behavior Research Methods, December 2011, Springer Science + Business Media

    Michael Beran

  176. Old World monkeys are more similar to humans than New World monkeys when playing a coordination game

    Article • Proceedings of the Royal Society B Biological Sciences, November 2011, Royal Society Publishing

    Michael Beran

  177. Do actions speak louder than words? A comparative perspective on implicit versus explicit meta‐cognition and theory of mind

    Article • British Journal of Developmental Psychology, October 2011, Wiley

    Michael Beran

  178. Comparing children’s Homo sapiens and chimpanzees’ Pan troglodytes quantity judgments of sequentially presented sets of items

    Article • Current Zoology, August 2011, Oxford University Press (OUP)

    Michael Beran

  179. Information seeking by rhesus monkeys (Macaca mulatta) and capuchin monkeys (Cebus apella)

    Article • Cognition, July 2011, Elsevier

    Michael Beran

  180. A Chimpanzee Recognizes Synthetic Speech with Significantly Reduced Acoustic Cues to Phonetic Content

    Article • Current Biology, July 2011, Elsevier

    Michael Beran

  181. Chimpanzees (Pan troglodytes) show the isolation effect during serial list recognition memory tests

    Article • Animal Cognition, April 2011, Springer Science + Business Media

    Michael Beran

  182. Responses to the Assurance game in monkeys, apes, and humans using equivalent procedures

    Article • Proceedings of the National Academy of Sciences, February 2011, Proceedings of the National Academy of Sciences

    Michael Beran

  183. An Investigation of Prospective and Retrospective Coding in Capuchin Monkeys and Rhesus Monkeys

    Article • Zeitschrift für Psychologie, January 2011, Hogrefe Publishing Group

    Michael Beran

  184. Analogical reasoning and the differential outcome effect: Transitory bridging of the conceptual gap for rhesus monkeys (Macaca mulatta).

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2011, American Psychological Association (APA)

    Michael Beran

  185. Monkeys (Macaca Mulatta and Cebus Apella) and Human Adults and Children (Homo Sapiens) Compare Subsets of Moving Stimuli Based on Numerosity

    Article • Frontiers in Psychology, January 2011, Frontiers

    Michael Beran

  186. Numerical judgments by chimpanzees (Pan troglodytes) in a token economy.

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2011, American Psychological Association (APA)

    Michael Beran

  187. Postoperative monitoring of non-invasive absolute cerebral oxygen saturation after carotid endarterectomy

    Article • European Journal of Anaesthesiology, June 2010, Wolters Kluwer Health

    Michael Beran

  188. Erratum to: Chimpanzees (Pan troglodytes) accurately compare poured liquid quantities

    Article • Animal Cognition, March 2010, Springer Science + Business Media

    Michael Beran

  189. Use of exclusion by a chimpanzee (Pan troglodytes) during speech perception and auditory–visual matching-to-sample

    Article • Behavioural Processes, March 2010, Elsevier

    Michael Beran

  190. Chimpanzees (Pan troglodytes) accurately compare poured liquid quantities

    Article • Animal Cognition, February 2010, Springer Science + Business Media

    Michael Beran

  191. Beyond stimulus cues and reinforcement signals: A new approach to animal metacognition.

    Article • Journal of Comparative Psychology, January 2010, American Psychological Association (APA)

    Michael Beran

  192. Can nonhuman primates use tokens to represent and sum quantities?

    Article • Journal of Comparative Psychology, January 2010, American Psychological Association (APA)

    Michael Beran

  193. Implicit and explicit category learning by macaques (Macaca mulatta) and humans (Homo sapiens).

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2010, American Psychological Association (APA)

    Michael Beran

  194. Metacognition in Nonhumans: Methodological and Theoretical Issues in Uncertainty Monitoring

    Article • January 2010, Springer Science + Business Media

    Michael Beran

  195. What do Arabic numerals mean to macaques (Macaca mulatta)?

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2010, American Psychological Association (APA)

    Michael Beran

  196. With his memory magnetically erased, a monkey knows he is uncertain

    Article • Biology Letters, October 2009, Royal Society Publishing

    Michael Beran

  197. Rhesus monkeys (Macaca mulatta) adaptively monitor uncertainty while multi-tasking

    Article • Animal Cognition, June 2009, Springer Science + Business Media

    Michael Beran

  198. Natural choice in chimpanzees (Pan troglodytes): Perceptual and temporal effects on selective value

    Article • Learning and Motivation, May 2009, Elsevier

    Michael Beran

  199. Metacognition is prior

    Article • Behavioral and Brain Sciences, April 2009, Cambridge University Press

    Michael Beran

  200. Delay of gratification by chimpanzees (Pan troglodytes) in working and waiting situations

    Article • Behavioural Processes, February 2009, Elsevier

    Michael Beran

  201. Animal Metacognition: Problems and Prospects

    Article • Comparative Cognition & Behavior Reviews, January 2009, Comparative Cognition Society

    Michael Beran

  202. Memory for “what”, “where”, and “when” information in rhesus monkeys (Macaca mulatta).

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2009, American Psychological Association (APA)

    Michael Beran

  203. Metacognition in Animals

    Article • Comparative Cognition & Behavior Reviews, January 2009, Comparative Cognition Society

    Michael Beran

  204. Perception of food amounts by chimpanzees (Pan troglodytes): The role of magnitude, contiguity, and wholeness.

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2009, American Psychological Association (APA)

    Michael Beran

  205. The Curious Incident of the Capuchins

    Article • Comparative Cognition & Behavior Reviews, January 2009, Comparative Cognition Society

    Michael Beran

  206. The psychological organization of “uncertainty” responses and “middle” responses: A dissociation in capuchin monkeys (Cebus apella).

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2009, American Psychological Association (APA)

    Michael Beran

  207. Trading behavior between conspecifics in chimpanzees, Pan troglodytes.

    Article • Journal of Comparative Psychology, January 2009, American Psychological Association (APA)

    Michael Beran

  208. When in doubt, chimpanzees rely on estimates of past reward amounts

    Article • Proceedings of the Royal Society B Biological Sciences, September 2008, Royal Society Publishing

    Michael Beran

  209. Quantity judgments of sequentially presented food items by capuchin monkeys (Cebus apella)

    Article • Animal Cognition, August 2008, Springer Science + Business Media

    Michael Beran

  210. The comparative study of metacognition: Sharper paradigms, safer inferences

    Article • Psychonomic Bulletin & Review, August 2008, Springer Science + Business Media

    Michael Beran

  211. Quantity representation in children and rhesus monkeys: Linear versus logarithmic scales

    Article • Journal of Experimental Child Psychology, July 2008, Elsevier

    Michael Beran

  212. Perception of food amounts by chimpanzees based on the number, size, contour length and visibility of items

    Article • Animal Behaviour, May 2008, Elsevier

    Michael Beran

  213. An efficient computerized testing method for the capuchin monkey (Cebus apella): Adaptation of the LRC-CTS to a socially housed nonhuman primate species

    Article • Behavior Research Methods, May 2008, Springer Science + Business Media

    Michael Beran

  214. The Evolutionary and Developmental Foundations of Mathematics

    Article • PLoS Biology, February 2008, PLOS

    Michael Beran, Michael Beran

  215. Chimpanzee Autarky

    Article • PLOS One, January 2008, PLOS

    Michael Beran

  216. Why Some Apes Imitate and/or Emulate Observed Behavior and Others Do Not: Fact, Theory, and Implications for Our Kind

    Article • Journal of Cognitive Education and Psychology, January 2008, Springer Publishing Company

    Michael Beran

  217. Discrimination Reversal Learning in Capuchin Monkeys (Cebus Apella)

    Article • The Psychological Record, January 2008, Springer Science + Business Media

    Michael Beran

  218. Monkeys (Macaca mulatta and Cebus apella) track, enumerate, and compare multiple sets of moving items.

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2008, American Psychological Association (APA)

    Michael Beran

  219. Ordinal judgments of symbolic stimuli by capuchin monkeys (Cebus apella) and rhesus monkeys (Macaca mulatta): The effects of differential and nondifferential reward.

    Article • Journal of Comparative Psychology, January 2008, American Psychological Association (APA)

    Michael Beran

  220. What meaning means for same and different: Analogical reasoning in humans (Homo sapiens), chimpanzees (Pan troglodytes), and rhesus monkeys (Macaca mulatta).

    Article • Journal of Comparative Psychology, January 2008, American Psychological Association (APA)

    Michael Beran

  221. A Salience Theory of Learning and Behavior: With Perspectives on Neurobiology and Cognition

    Article • International Journal of Primatology, September 2007, Springer Science + Business Media

    Michael Beran

  222. Chimpanzees use self-distraction to cope with impulsivity

    Article • Biology Letters, August 2007, Royal Society Publishing

    Michael Beran

  223. Summation and quantity judgments of sequentially presented sets by capuchin monkeys (Cebus apella)

    Article • American Journal of Primatology, August 2007, Wiley

    Michael Beran

  224. Capuchin monkeys (Cebus apella) succeed in a test of quantity conservation

    Article • Animal Cognition, June 2007, Springer Science + Business Media

    Michael Beran

  225. A Stroop-Like Effect in Color-Naming of Color-Word Lexigrams by a Chimpanzee (Pan Troglodyte)

    Article • The Journal of General Psychology, April 2007, Taylor & Francis

    Michael Beran

  226. Delay of Gratification and Delay Maintenance by Rhesus Macaques (Macaca Mulatta)

    Article • The Journal of General Psychology, April 2007, Taylor & Francis

    Michael Beran

  227. Ordinal-List Integration for Symbolic, Arbitrary, and Analog Stimuli by Rhesus Macaques (Macaca Mulatta)

    Article • The Journal of General Psychology, April 2007, Taylor & Francis

    Michael Beran

  228. Disconnect in concept learning by rhesus monkeys (Macaca mulatta): Judgment of relations and relations-between-relations.

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2007, American Psychological Association (APA)

    Michael Beran

  229. Rhesus monkeys (Macaca mulatta) enumerate large and small sequentially presented sets of items using analog numerical representations.

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2007, American Psychological Association (APA)

    Michael Beran

  230. Rhesus Monkeys (Macaca mulatta) Maintain Learning Set Despite Second-Order Stimulus-Response Spatial Discontiguity

    Article • The Psychological Record, January 2007, Springer Science + Business Media

    Michael Beran

  231. Nonverbal Estimation during Numerosity Judgements by Adult Humans

    Article • Quarterly Journal of Experimental Psychology, December 2006, SAGE Publications

    Michael Beran

  232. Maintenance of delay of gratification by four chimpanzees (Pan troglodytes): The effects of delayed reward visibility, experimenter presence, and extended delay intervals

    Article • Behavioural Processes, November 2006, Elsevier

    Michael Beran

  233. Rhesus monkeys (Macaca mulatta) succeed on a computerized test designed to assess conservation of discrete quantity

    Article • Animal Cognition, July 2006, Springer Science + Business Media

    Michael Beran

  234. Chimpanzees (Pan troglodytes) remember the location of a hidden food item after altering their orientation to a spatial array.

    Article • Journal of Comparative Psychology, January 2006, American Psychological Association (APA)

    Michael Beran

  235. Chimpanzees (Pan troglodytes) use markers to monitor the movement of a hidden item

    Article • Primates, August 2005, Springer Science + Business Media

    Michael Beran, Michael Beran

  236. Ordinal Judgments and Summation of Nonvisible Sets of Food Items by Two Chimpanzees and a Rhesus Macaque.

    Article • Journal of Experimental Psychology Animal Behavior Processes, January 2005, American Psychological Association (APA)

    Michael Beran

  237. Long-term retention of the differential values of Arabic numerals by chimpanzees ( Pan troglodytes )

    Article • Animal Cognition, April 2004, Springer Science + Business Media

    Michael Beran

  238. Chimpanzees Remember the Results of One-by-One Addition of Food Items to Sets Over Extended Time Periods

    Article • Psychological Science, February 2004, SAGE Publications

    Michael Beran

  239. Chimpanzees (Pan troglodytes) Respond to Nonvisible Sets After One-by-One Addition and Removal of Items.

    Article • Journal of Comparative Psychology, January 2004, American Psychological Association (APA)

    Michael Beran

  240. Uncertainty monitoring may promote emergents

    Article • Behavioral and Brain Sciences, June 2003, Cambridge University Press

    Michael Beran

  241. CHIMPANZEE RESPONDING DURING MATCHING TO SAMPLE: CONTROL BY EXCLUSION

    Article • Journal of the Experimental Analysis of Behavior, November 2002, Wiley

    Michael Beran

  242. Maintenance of Self-Imposed Delay of Gratification by Four Chimpanzees (Pan troglodytes) and an Orangutan (Pongo pygmaeus)

    Article • The Journal of General Psychology, January 2002, Taylor & Francis

    Michael Beran

  243. Comparative cognitive science and the Japanese influence in primatology

    Article • American Journal of Primatology, October 2001, Wiley

    Michael Beran

  244. "Constructive" enumeration by chimpanzees ( Pan troglodytes ) on a computerized task

    Article • Animal Cognition, October 2001, Springer Science + Business Media

    Michael Beran

  245. Summation and numerousness judgments of sequentially presented sets of items by chimpanzees (Pan troglodytes).

    Article • Journal of Comparative Psychology, January 2001, American Psychological Association (APA)

    Michael Beran

  246. A chimpanzee’s (Pan troglodytes) long-term retention of lexigrams

    Article • Animal Learning & Behavior, June 2000, Springer Science + Business Media

    Michael Beran

  247. Predicting hominid intelligence from brain size

    Article • March 2000, Oxford University Press (OUP)

    Michael Beran

  248. Chimpanzee (Pan Troglodytes) Counting in a Computerized Testing Paradigm

    Article • The Psychological Record, January 1998, Springer Science + Business Media

    Michael Beran

  249. Overall similarity in adults' classification: The child in all of us.

    Article • Journal of Experimental Psychology General, January 1984, American Psychological Association (APA)

    Michael Beran