All Stories

  1. How bipedalism shapes humans’ actions with hand tools

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, August 2024, Royal Society Publishing

    Professor Dorothy M Fragaszy

  2. From Turing to Gibson

    Article • December 2023, Taylor & Francis

    Professor Dorothy M Fragaszy

  3. Moving

    Article • American Journal of Primatology, November 2023, Wiley

    Professor Dorothy M Fragaszy

  4. A first description of the nest behavior of the red and green macaw (Ara chloropterus) (a case study)

    Article • Ornithology Research, October 2023, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  5. The development of expertise at cracking palm nuts by wild bearded capuchin monkeys, Sapajus libidinosus

    Article • Animal Behaviour, March 2023, Elsevier

    Professor Dorothy M Fragaszy

  6. Adaptable navigation in bull ants (Myrmecia midas).

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

    Professor Dorothy M Fragaszy

  7. Rules and metarules: Adult cotton-top tamarins (Saguinus oedipus) and 5-year-old children (Homo sapiens) can master both.

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

    Professor Dorothy M Fragaszy

  8. On the psychological origins of tool use

    Article • Neuroscience & Biobehavioral Reviews, March 2022, Elsevier

    Professor Dorothy M Fragaszy

  9. End the search quickly: Pigeons (Columba livia) and humans (Homo sapiens) share the same bias.

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

    Professor Dorothy M Fragaszy

  10. How tufted capuchin monkeys (Sapajus spp.) and humans (Homo sapiens) handle a jointed tool.

    Article • Journal of Comparative Psychology, August 2021, American Psychological Association (APA)

    Professor Dorothy M Fragaszy, Madhur Mangalam, José Eduardo Reynoso Cruz

  11. African striped mice (Rhabdomys) mind the neighbors.

    Article • Journal of Comparative Psychology, August 2021, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  12. One hundred years of the Journal of Comparative Psychology.

    Article • Journal of Comparative Psychology, February 2021, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  13. Comparative psychology’s founding mother, Margaret Floy Washburn.

    Article • Journal of Comparative Psychology, February 2021, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  14. A new look at universals and specificities in the songs of humpback whales.

    Article • Journal of Comparative Psychology, February 2021, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  15. Anticipating future actions: Motor planning improves with age in wild bearded capuchin monkeys ( Sapajus libidinosus )

    Article • Developmental Science, December 2020, Wiley

    Valentina Truppa, Professor Dorothy M Fragaszy

  16. Optional tool use: The case of wild bearded capuchins ( Sapajus libidinosus ) cracking cashew nuts by biting or by using percussors

    Article • American Journal of Primatology, December 2020, Wiley

    Valentina Truppa, Professor Dorothy M Fragaszy

  17. Dexterity and technique in termite fishing by chimpanzees (Pan troglodytes troglodytes) in the Goualougo Triangle, Republic of Congo

    Article • American Journal of Primatology, November 2020, Wiley

    Professor Dorothy M Fragaszy

  18. Odds favor the bees.

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

    Professor Dorothy M Fragaszy

  19. Folk Physics in the Twenty-first Century: Understanding Tooling as Embodied

    Article • Animal Behavior and Cognition, August 2020, Animal Behavior and Cognition

    Professor Dorothy M Fragaszy

  20. Rare Bearded Capuchin (Sapajus libidinosus) Tool-Use Culture is Threatened by Land use Changes in Northeastern Brazil

    Article • International Journal of Primatology, July 2020, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  21. Adult and juvenile bearded capuchin monkeys handle stone hammers differently during nut‐cracking

    Article • American Journal of Primatology, May 2020, Wiley

    Professor Dorothy M Fragaszy

  22. Compound grips in tufted capuchin monkeys (Sapajusspp andSapajus libidinosus)

    Article • American Journal of Primatology, April 2020, Wiley

    Professor Dorothy M Fragaszy

  23. Rats (Rattus norvegicus), like humans (Homo sapiens), detect auditory jitter.

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

    Professor Dorothy M Fragaszy

  24. Positional behavior and substrate use in wild adult bearded capuchin monkeys (Sapajus libidinosus)

    Article • American Journal of Primatology, November 2019, Wiley

    Professor Dorothy M Fragaszy

  25. Supplemental Material for Distinct Perceptuomotor Features of Percussive Tooling in Humans (Homo sapiens) and Wild Bearded Capuchin Monkeys (Sapajus libidinosus)

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

    Professor Dorothy M Fragaszy

  26. Is the SNARC a boojum?

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

    Professor Dorothy M Fragaszy

  27. How bearded capuchin monkeys ( Sapajus libidinosus ) prepare to use a stone to crack nuts

    Article • American Journal of Primatology, February 2019, Wiley

    Professor Dorothy M Fragaszy

  28. Dogs (Canis familiaris) ignore gravity.

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

    Professor Dorothy M Fragaszy

  29. Persistent pigeons (Columba livia) learn how to produce a list.

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

    Professor Dorothy M Fragaszy

  30. Foraging and inter‐individual distances of bearded capuchin monkeys

    Article • American Journal of Primatology, July 2018, Wiley

    Professor Dorothy M Fragaszy

  31. Perceptual Learning of Tooling Affordances of a Jointed Object via Dynamic Touch

    Article • Ecological Psychology, May 2018, Taylor & Francis

    Professor Dorothy M Fragaszy

  32. Location of a grasped object’s effector influences perception of the length of that object via dynamic touch

    Article • Experimental Brain Research, May 2018, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  33. Editorial.

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

    Professor Dorothy M Fragaszy

  34. A new look at play fighting.

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

    Professor Dorothy M Fragaszy

  35. Tooling

    Article • January 2018, Elsevier

    Professor Dorothy M Fragaszy

  36. Unique perceptuomotor control of stone hammers in wild monkeys

    Article • Biology Letters, January 2018, Royal Society Publishing

    Professor Dorothy M Fragaszy

  37. Stone-Tool Use in Wild Monkeys: Implications for the Study of the Body-Plus-Tool System

    Article • Ecological Psychology, October 2017, Taylor & Francis

    Professor Dorothy M Fragaszy

  38. Primate archaeology evolves

    Article • Nature Ecology & Evolution, September 2017, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  39. Perception of the length of an object through dynamic touch is invariant across changes in the medium

    Article • Attention Perception & Psychophysics, August 2017, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  40. Female bearded capuchin monkeys (Sapajus libidinosus) use objects to solicit the sexual partner.

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

    Professor Dorothy M Fragaszy

  41. Synchronized practice helps bearded capuchin monkeys learn to extend attention while learning a tradition

    Article • Proceedings of the National Academy of Sciences, July 2017, Proceedings of the National Academy of Sciences

    Professor Dorothy M Fragaszy

  42. Dorothy Fragaszy

    Article • January 2017, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  43. Monkeys and Prosimians: Social Learning

    Article • January 2017, Elsevier

    Professor Dorothy M Fragaszy

  44. New Editor Spotlight: Dorothy Fragaszy, PhD

    Article • January 2017, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  45. Wild capuchin monkeys spontaneously adjust actions when using hammer stones of different mass to crack nuts of different resistance

    Article • American Journal of Physical Anthropology, May 2016, Wiley

    Professor Dorothy M Fragaszy

  46. Ontogeny of tool use: how do toddlers use hammers?

    Article • Developmental Psychobiology, April 2016, Wiley

    Professor Dorothy M Fragaszy

  47. When and where to practice: social influences on the development of nut-cracking in bearded capuchins (Sapajus libidinosus)

    Article • Animal Cognition, March 2016, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  48. The strategic role of the tail in maintaining balance while carrying a load bipedally in wild capuchins (Sapajus libidinosus): a pilot study

    Article • Primates, January 2016, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  49. Variations in an African Grey parrot’s speech patterns following ignored and denied requests

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

    Professor Dorothy M Fragaszy

  50. Body mass in wild bearded capuchins, (Sapajus libidinosus): Ontogeny and sexual dimorphism

    Article • American Journal of Primatology, December 2015, Wiley

    Professor Dorothy M Fragaszy

  51. Percussive tool use by Taï Western chimpanzees and Fazenda Boa Vista bearded capuchin monkeys: a comparison

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, November 2015, Royal Society Publishing

    Professor Dorothy M Fragaszy

  52. “Vision for Action” in Young Children Aligning Multi-Featured Objects: Development and Comparison with Nonhuman Primates

    Article • PLOS One, October 2015, PLOS

    Professor Dorothy M Fragaszy

  53. Age‐related variation in the mechanical properties of foods processed by Sapajus libidinosus

    Article • American Journal of Physical Anthropology, September 2015, Wiley

    Professor Dorothy M Fragaszy

  54. Remote sensing and habitat mapping for bearded capuchin monkeys (Sapajus libidinosus): landscapes for the use of stone tools

    Article • Journal of Applied Remote Sensing, August 2015, SPIE

    Professor Dorothy M Fragaszy

  55. Kinetics of bipedal locomotion during load carrying in capuchin monkeys

    Article • Journal of Human Evolution, August 2015, Elsevier

    Professor Dorothy M Fragaszy

  56. Wild Bearded Capuchin Monkeys Crack Nuts Dexterously

    Article • Current Biology, May 2015, Elsevier

    Professor Dorothy M Fragaszy

  57. What is teaching? A clear, integrative, operational definition for teaching is still needed

    Article • Behavioral and Brain Sciences, January 2015, Cambridge University Press

    Professor Dorothy M Fragaszy

  58. The effects of ecology and evolutionary history on robust capuchin morphological diversity

    Article • Molecular Phylogenetics and Evolution, January 2015, Elsevier

    Professor Dorothy M Fragaszy

  59. Stone Anvil Damage by Wild Bearded Capuchins (Sapajus libidinosus) during Pounding Tool Use: A Field Experiment

    Article • PLOS One, November 2014, PLOS

    Professor Dorothy M Fragaszy

  60. Does own experience affect perception of others’ actions in capuchin monkeys (Cebus apella)?

    Article • Animal Cognition, May 2014, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  61. Multi‐step routes of capuchin monkeys in a laser pointer traveling salesman task

    Article • American Journal of Primatology, April 2014, Wiley

    Professor Dorothy M Fragaszy

  62. The development of facial identity discrimination through learned attention

    Article • Developmental Psychobiology, January 2014, Wiley

    Dr. Elizabeth A Simpson, Professor Dorothy M Fragaszy

  63. Coming to Grips with Learning with Others

    Article • Science, November 2013, American Association for the Advancement of Science

    Professor Dorothy M Fragaszy

  64. The fourth dimension of tool use: temporally enduring artefacts aid primates learning to use tools

    Article • Philosophical Transactions of the Royal Society B Biological Sciences, October 2013, Royal Society Publishing

    Professor Dorothy M Fragaszy

  65. Applying the bicoded spatial model to nonhuman primates in an arboreal multilayer environment

    Article • Behavioral and Brain Sciences, October 2013, Cambridge University Press

    Professor Dorothy M Fragaszy

  66. What limits tool use in nonhuman primates? Insights from tufted capuchin monkeys (Sapajus spp.) and chimpanzees (Pan troglodytes) aligning three-dimensional objects to a surface

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

    Professor Dorothy M Fragaszy

  67. Wild Bearded Capuchin Monkeys (Sapajus libidinosus) Strategically Place Nuts in a Stable Position during Nut-Cracking

    Article • PLOS One, February 2013, PLOS

    Professor Dorothy M Fragaszy

  68. Socioecology of wild bearded capuchin monkeys (Sapajus libidinosus): an analysis of social relationships among female primates that use tools in feeding

    Article • Behaviour, January 2013, Brill

    Professor Dorothy M Fragaszy

  69. Kinematics of bipedal locomotion while carrying a load in the arms in bearded capuchin monkeys (Sapajus libidinosus)

    Article • Journal of Human Evolution, December 2012, Elsevier

    Professor Dorothy M Fragaszy

  70. Wild bearded capuchin (Sapajus libidinosus) select hammer tools on the basis of both stone mass and distance from the anvil

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

    Professor Dorothy M Fragaszy

  71. What Is Challenging About Tool Use? The Capuchin’s Perspective

    Article • March 2012

    Professor Dorothy M Fragaszy

  72. Stone tool use by adult wild bearded capuchin monkeys (Cebus libidinosus). Frequency, efficiency and tool selectivity

    Article • Journal of Human Evolution, July 2011, Elsevier

    Professor Dorothy M Fragaszy

  73. Flexible and conservative features of social systems in tufted capuchin monkeys: comparing the socioecology ofSapajus libidinosusandSapajus nigritus

    Article • American Journal of Primatology, June 2011, Wiley

    Professor Dorothy M Fragaszy

  74. How tufted capuchin monkeys (cebus apellaspp) and common chimpanzees (Pan troglodytes) align objects to surfaces: insights into spatial reasoning and implications for tool use

    Article • American Journal of Primatology, May 2011, Wiley

    Professor Dorothy M Fragaszy

  75. When and how well can human‐socialized capuchins match actions demonstrated by a familiar human?

    Article • American Journal of Primatology, March 2011, Wiley

    Professor Dorothy M Fragaszy

  76. Critically endangered blonde capuchins fish for termites and use new techniques to accomplish the task

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

    Professor Dorothy M Fragaszy

  77. Understanding emotions in primates: in honor of Darwin's 200th birthday

    Article • American Journal of Primatology, February 2011, Wiley

    Dr. Elizabeth A Simpson, Professor Dorothy M Fragaszy

  78. Development of maze navigation by tufted capuchins (Cebus apella)

    Article • Behavioural Processes, February 2011, Elsevier

    Professor Dorothy M Fragaszy

  79. Social context influences the vocalizations of a home-raised African Grey parrot (Psittacus erithacus erithacus).

    Article • Journal of Comparative Psychology, January 2011, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  80. The ontogeny of handling hard‐to‐process food in wild brown capuchins (Cebus apella apella): evidence from foraging on the fruit ofMaximiliana maripa

    Article • American Journal of Primatology, June 2010, Wiley

    Professor Dorothy M Fragaszy

  81. Comparative Studies of Squirrel Monkeys (Saimiri) and Titi Monkeys (Callicebus) in Travel Tasks

    Article • Zeitschrift für Tierpsychologie, April 2010, Wiley

    Professor Dorothy M Fragaszy

  82. Monkeys and Prosimians: Social Learning

    Article • January 2010, Elsevier

    Professor Dorothy M Fragaszy

  83. Development of skilled detection and extraction of embedded prey by wild brown capuchin monkeys (cebus apella apella).

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

    Professor Dorothy M Fragaszy

  84. Indentation as a technique to assess the mechanical properties of fallback foods

    Article • American Journal of Physical Anthropology, December 2009, Wiley

    Dr Brian W Darvell, Professor Dorothy M Fragaszy

  85. Fallback foraging as a way of life: Using dietary toughness to compare the fallback signal among capuchins and implications for interpreting morphological variation

    Article • American Journal of Physical Anthropology, November 2009, Wiley

    Professor Dorothy M Fragaszy

  86. Selection of Effective Stone Tools by Wild Bearded Capuchin Monkeys

    Article • Current Biology, February 2009, Elsevier

    Valentina Truppa, Professor Dorothy M Fragaszy

  87. Distribution of potential suitable hammers and transport of hammer tools and nuts by wild capuchin monkeys

    Article • Primates, January 2009, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  88. Navigating two-dimensional mazes: chimpanzees (Pan troglodytes) and capuchins (Cebus apella sp.) profit from experience differently

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

    Professor Dorothy M Fragaszy

  89. Kinematics and energetics of nut‐cracking in wild capuchin monkeys (Cebus libidinosus) in Piauí, Brazil

    Article • American Journal of Physical Anthropology, January 2009, Wiley

    Professor Dorothy M Fragaszy

  90. Book Review: Manipulative Monkeys: The Capuchins of Lomas Barbudal

    Article • American Journal of Physical Anthropology, December 2008, Wiley

    Professor Dorothy M Fragaszy

  91. Ontogeny of manipulative behavior and nut‐cracking in young tufted capuchin monkeys (Cebus apella): a Perception–action perspective

    Article • Developmental Science, October 2008, Wiley

    Professor Dorothy M Fragaszy

  92. Dynamic in‐hand movements in adult and young juvenile chimpanzees (Pan troglodytes)

    Article • American Journal of Physical Anthropology, September 2008, Wiley

    Professor Dorothy M Fragaszy

  93. How young children and chimpanzees (Pan troglodytes) perceive objects in a 2D display: putting an assumption to the test

    Article • Developmental Science, August 2008, Wiley

    Professor Dorothy M Fragaszy

  94. Physical properties of palm fruits processed with tools by wild bearded capuchins (Cebus libidinosus)

    Article • American Journal of Primatology, July 2008, Wiley

    Dr Gloria Sabbatini, Professor Dorothy M Fragaszy

  95. Analogical reasoning in a capuchin monkey (Cebus apella).

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

    Professor Dorothy M Fragaszy

  96. The production of bimanual percussion in 12- to 24-month-old children

    Article • Infant Behavior and Development, February 2007, Elsevier

    Professor Dorothy M Fragaszy

  97. Tapping Into Tool Use

    Article • January 2007, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  98. Jane Goodall: The Woman Who Redefined Man

    Article • BioScience, January 2007, Oxford University Press (OUP)

    Professor Dorothy M Fragaszy

  99. Characteristics of hammer stones and anvils used by wild bearded capuchin monkeys (Cebus libidinosus) to crack open palm nuts

    Article • American Journal of Physical Anthropology, December 2006, Wiley

    Professor Dorothy M Fragaszy

  100. Cross‐genus adoption of a marmoset (Callithrix jacchus) by wild capuchin monkeys (Cebus libidinosus): case report

    Article • American Journal of Primatology, June 2006, Wiley

    Professor Dorothy M Fragaszy

  101. An Interesting Idea

    Article • Developmental Psychobiology, January 2006, Wiley

    Professor Dorothy M Fragaszy

  102. Capuchin Monkeys Learn with Others

    Article • January 2006, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  103. Vigilance in Nut Cracking by Bearded Capuchin Monkeys (Cebus libidinosus)

    Article • January 2006, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  104. Relational Spatial Reasoning by a Nonhuman: The Example of Capuchin Monkeys

    Article • Behavioral and Cognitive Neuroscience Reviews, December 2005, SAGE Publications

    Professor Dorothy M Fragaszy

  105. Terrestriality and Tool Use

    Article • Science, May 2005, American Association for the Advancement of Science

    Professor Dorothy M Fragaszy

  106. Response to novel housing in two groups of captive tufted capuchin monkeys (Cebus apella)

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

    Professor Dorothy M Fragaszy

  107. Choosing and Using Tools: Capuchins (Cebus apella) Use a Different Metric Than Tamarins (Saguinus oedipus).

    Article • Journal of Comparative Psychology, January 2005, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  108. Experience and Materials Affect Combinatorial Construction in Tufted Capuchin Monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, January 2005, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  109. Wild capuchin monkeys (Cebus libidinosus) use anvils and stone pounding tools

    Article • American Journal of Primatology, December 2004, Wiley

    Professor Dorothy M Fragaszy

  110. Socially biased learning in monkeys

    Article • Learning & Behavior, February 2004, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  111. Twinning in Tufted Capuchins (Cebus apella): Rate, Survivorship, and Weight Gain

    Article • Folia Primatologica, January 2004, Brill

    Professor Dorothy M Fragaszy

  112. Joystick acquisition in tufted capuchins ( Cebus apella )

    Article • Animal Cognition, September 2003, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  113. Primates in cyberspace: using interactive computer tasks to study perception and action in nonhuman animals

    Article • Animal Cognition, September 2003, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  114. Preface

    Article • July 2003, Cambridge University Press

    Professor Dorothy M Fragaszy

  115. Towards a biology of traditions

    Article • July 2003, Cambridge University Press

    Professor Dorothy M Fragaszy

  116. Further reading

    Article • July 2003, Cambridge University Press

    Professor Dorothy M Fragaszy

  117. Making space for traditions

    Article • Evolutionary Anthropology Issues News and Reviews, April 2003, Wiley

    Professor Dorothy M Fragaszy

  118. Social Learning and Imitation: Making Spaces for Traditions

    Article • January 2003, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  119. The Biology of Traditions

    Article • January 2003, Cambridge University Press

    Professor Dorothy M Fragaszy

  120. Including Traditions in Captive Cauhchins: Part I

    Article • January 2003, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  121. Strategic navigation of two-dimensional alley mazes: comparing capuchin monkeys and chimpanzees

    Article • Animal Cognition, August 2002, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  122. Do apes and monkeys rely upon conceptual reversibility?

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

    Professor Dorothy M Fragaszy

  123. Integration of New Males into Four Social Groups of Tufted Capuchins (Cebus apella)

    Article • International Journal of Primatology, August 2001, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  124. Extending the model: Pavlovian social learning

    Article • Behavioral and Brain Sciences, April 2000, Cambridge University Press

    Professor Dorothy M Fragaszy

  125. Prehension in infant capuchins (Cebus apella) from six weeks to twenty-four weeks: Video analysis of form and symmetry

    Article • American Journal of Primatology, January 2000, Wiley

    Professor Dorothy M Fragaszy

  126. Strategies used to combine seriated cups by chimpanzees (Pan troglodytes), bonobos (Pan paniscus), and capuchins (Cebus apella).

    Article • Journal of Comparative Psychology, January 1999, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  127. Left Hand Preferences in Capuchins (Cebus apella): Role of Spatial Demands in Manual Activity

    Article • Laterality Asymmetries of Body Brain and Cognition, January 1999, Taylor & Francis

    Professor Dorothy M Fragaszy

  128. Social context and consumption of unfamiliar foods by capuchin monkeys (Cebus apella) over repeated encounters

    Article • American Journal of Primatology, January 1998, Wiley

    Professor Dorothy M Fragaszy

  129. Manual Exploratory Procedures and Asymmetries for a Haptic Search Task: A Comparison Between Capuchins (Cebus apella) and Humans

    Article • Laterality Asymmetries of Body Brain and Cognition, September 1997, Taylor & Francis

    Professor Dorothy M Fragaszy

  130. Infant tufted capuchin monkeys’ behaviour with novel foods: opportunism, not selectivity

    Article • Animal Behaviour, June 1997, Elsevier

    Professor Dorothy M Fragaszy

  131. Developmental changes in manipulation in tufted capuchins (Cebus apella) from birth through 2 years and their relation to foraging and weaning.

    Article • Journal of Comparative Psychology, January 1997, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  132. Transfers of food from adults to infants in tufted capuchins (Cebus apella).

    Article • Journal of Comparative Psychology, January 1997, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  133. Social Learning in Monkeys: Primate “Primacy” Reconsidered

    Article • January 1996, Elsevier

    Professor Dorothy M Fragaszy

  134. Patterns of individual diet choice and efficiency of foraging in wedge-capped capuchin monkeys (Cebus olivaceus).

    Article • Journal of Comparative Psychology, January 1995, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  135. Performance in a tool-using task by common chimpanzees (Pan troglodytes), bonobos (Pan paniscus), an orangutan (Pongo pygmaeus), and capuchin monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, January 1995, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  136. Introduction and integration of strangers into captive groups of tufted capuchins (Cebus apella)

    Article • International Journal of Primatology, June 1994, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  137. Development of manipulation in capuchin monkeys during the first 6 months

    Article • Developmental Psychobiology, March 1994, Wiley

    Professor Dorothy M Fragaszy

  138. Variation among juvenile capuchins in social influences on exploration

    Article • American Journal of Primatology, January 1994, Wiley

    Professor Dorothy M Fragaszy

  139. A comparative view of object combination and tool use: Moving ahead

    Article • Behavioral and Brain Sciences, December 1991, Cambridge University Press

    Professor Dorothy M Fragaszy

  140. Behavioral development and maternal care in tufted capuchins (Cebus apella) and squirrel monkeys (Saimiri sciureus) from birth through seven months

    Article • Developmental Psychobiology, September 1991, Wiley

    Professor Dorothy M Fragaszy

  141. Loose Threads

    Article • Contemporary Psychology, January 1991, Portico

    Professor Dorothy M Fragaszy

  142. Generative aspects of manipulation in tufted capuchin monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, January 1991, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  143. Early Behavioral Development in Capuchins (Cebus)

    Article • Folia Primatologica, February 1990, Brill

    Professor Dorothy M Fragaszy

  144. Variability and Adaptability in the Genus Cebus

    Article • Folia Primatologica, January 1990, Brill

    Professor Dorothy M Fragaszy

  145. Social Processes Affecting the Appearance of Innovative Behaviors in Capuchin Monkeys

    Article • Folia Primatologica, January 1990, Brill

    Professor Dorothy M Fragaszy

  146. Hand preference and performance on unimanual and bimanual tasks in capuchin monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, January 1990, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  147. Activity states and motor activity in an infant capuchin monkey (Cebus apella) from birth through eleven weeks

    Article • Developmental Psychobiology, March 1989, Wiley

    Professor Dorothy M Fragaszy

  148. Social influences on the acquisition of tool-using behaviors in tufted capuchin monkeys (Cebus apella).

    Article • Journal of Comparative Psychology, January 1989, American Psychological Association (APA)

    Professor Dorothy M Fragaszy

  149. Cognition in Squirrel Monkeys A Contemporary Perspective

    Article • January 1985, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  150. Preliminary Quantitative Studies of Prehension in Squirrel Monkeys <i>(Saimiri sciureus)</i>

    Article • Brain Behavior and Evolution, January 1983, Karger Publishers

    Professor Dorothy M Fragaszy

  151. Comparative performance in discrimination learning tasks in two New World primates (Saimiri sciureus andCallicebus moloch)

    Article • Animal Learning & Behavior, March 1981, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  152. Response to novelty inSaimiri andCallicebus: Influence of social context

    Article • Primates, April 1978, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  153. A program to generate Gellermann (pseudorandom) series of binary states

    Article • Behavior Research Methods, January 1978, Springer Science + Business Media

    Professor Dorothy M Fragaszy

  154. Do monkeys ape?

    Article • Cambridge University Press

    Professor Dorothy M Fragaszy

  155. Sensorimotor development in hand-reared and mother-reared tufted capuchins: A systems perspective on the contrasts

    Article • Cambridge University Press

    Professor Dorothy M Fragaszy