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  1. Cognitive tasks show age-related decline over a 10-year period in a natural aging monkey model, cotton-top tamarins (Saguinus oedipus).

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

    Julie J Neiworth

  2. Is inferential reasoning a distinctly human cognitive feature? Testing reasoning in cotton-top tamarins (Saguinus oedipus).

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

    Julie J Neiworth

  3. Rule use and rule flexibility in children and monkeys

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

    Julie J Neiworth