Two-item conditional same-different categorization in pigeons: Finding differences.
Journal
Journal of experimental psychology. Animal learning and cognition
ISSN: 2329-8464
Titre abrégé: J Exp Psychol Anim Learn Cogn
Pays: United States
ID NLM: 101632727
Informations de publication
Date de publication:
Oct 2021
Oct 2021
Historique:
pubmed:
14
9
2021
medline:
15
12
2021
entrez:
13
9
2021
Statut:
ppublish
Résumé
Research on same-different categorization has shown that mastery of tasks of this kind can be strongly affected by the number of items in the training arrays-for both humans and nonhuman animals. Evidence for two-item same-different categorization in pigeons is decidedly mixed: although some investigations have succeeded, others have failed. To date, no research has documented successful conditional same-different categorization using just two items, nor has research explored how pigeons' responses in this paradigm might be influenced by perceptual characteristics of the training stimuli. Through a series of methodological modifications, we provide the first successful documentation that pigeons can perform two-item conditional same-different categorization to a high degree of accuracy; further, they can do so without the support of item repetition. We also show for the first time that the perceptual disparity between the items in pairs of different stimuli plays a key part in pigeons' same-different categorization performance. (PsycInfo Database Record (c) 2021 APA, all rights reserved).
Identifiants
pubmed: 34516196
pii: 2021-84124-001
doi: 10.1037/xan0000297
pmc: PMC8639609
mid: NIHMS1738629
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Pagination
455-463Subventions
Organisme : NICHD NIH HHS
ID : P01 HD080679
Pays : United States
Organisme : NIH HHS
Pays : United States
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