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A Chimpanzee’s (Pan troglodytes) Perception of Variations in Speech: Identification of Familiar Words when Whispered and When Spoken by a Variety of Talkers
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In: Heimbauer, Lisa A; Beran, Michael J; & Owren, Michael J. (2018). A Chimpanzee’s (Pan troglodytes) Perception of Variations in Speech: Identification of Familiar Words when Whispered and When Spoken by a Variety of Talkers. International Journal of Comparative Psychology. Retrieved from: http://www.escholarship.org/uc/item/01t81345 (2018)
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A Longitudinal Assessment of Vocabulary Retention in Symbol-Competent Chimpanzees (Pan troglodytes)
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In: Language Research Center (2015)
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A Longitudinal Assessment of Vocabulary Retention in Symbol-Competent Chimpanzees (Pan troglodytes)
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Fading Perceptual Resemblance: A Path for Rhesus Macaques (Macaca mulatta) to Conceptual Matching?
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Implicit and Explicit Category Learning by Capuchin Monkeys (Cebus apella)
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Abstract:
Current theories of human categorization differentiate an explicit, rule-based system of category learning from an implicit system that slowly associates regions of perceptual space with response outputs. The researchers extended this theoretical differentiation to the category learning of New World primates. Four capuchins learned categories of circular sine-wave gratings that varied in bar spatial frequency and orientation. The rule-based and information-integration tasks, respectively, had one-dimensional and two-dimensional solutions. Capuchins, like humans, strongly dimensionalized the stimuli and learned the rule-based task more easily. The results strengthen the suggestion that nonhuman primates have some structural components of humans’ capacity for explicit categorization, which in humans is linked to declarative cognition and consciousness. The results also strengthen the primate contrast to other vertebrate species that may lack the explicit system. Therefore, the results raise important questions about the origins of the explicit categorization system during cognitive evolution and about its overall phylogenetic distribution.
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Article
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URL: http://www.ncbi.nlm.nih.gov/pmc/articles/PMC3531231 https://doi.org/10.1037/a0026031 http://www.ncbi.nlm.nih.gov/pubmed/22023264
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Chimpanzees (Pan troglodytes) show the isolation effect during serial list recognition memory tests
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A Chimpanzee Recognizes Synthetic Speech With Significantly Reduced Acoustic Cues to Phonetic Content
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Use of Exclusion by a Chimpanzee (Pan troglodytes) During Speech Perception and Auditory-Visual Matching-to-Sample
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What Meaning Means for Same and Different: Analogical Reasoning in Humans (Homo sapiens), Chimpanzees (Pan troglodytes), and Rhesus Monkeys (Macaca mulatta)
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