The pigeon's variability discrimination with lists of successively presented visual stimuli

Pigeons previously trained to peck 1 button (same) after the successive presentation of 16 identical pictures and to peck a 2nd button (different) after the successive presentation of 16 nonidentical pictures were tested on lists involving different degrees of variability, different list lengths, an...

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Bibliographic Details
Published inJournal of experimental psychology. Animal behavior processes Vol. 25; no. 4; p. 475
Main Authors Young, M E, Wasserman, E A, Hilfers, M A, Dalrymple, R
Format Journal Article
LanguageEnglish
Published United States 01.10.1999
Subjects
Animals
Columbidae - physiology
Discrimination Learning - physiology
Memory - physiology
Visual Perception - physiology
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Summary:Pigeons previously trained to peck 1 button (same) after the successive presentation of 16 identical pictures and to peck a 2nd button (different) after the successive presentation of 16 nonidentical pictures were tested on lists involving different degrees of variability, different list lengths, and different temporal organizations of list items. The pigeons' performances on this successive same-different task revealed a strong sensitivity to list entropy; but, their discrimination was also affected by their memory for list items and by the accumulated evidence for a same versus a different response. Statistical models confirmed and quantified the importance of these additional factors.
ISSN:0097-7403
DOI:10.1037/0097-7403.25.4.475