Abstract:
:We trained 7 pigeons to discriminate visual displays of 16 same items from displays of 16 different items. The specific stimulus features of the items and the relations among the items could serve as discriminative stimuli. Unlike in most studies of same-different discrimination behavior, we gave a small number of probe tests during each session of acquisition to measure the time-course of control by the learning of specific stimulus features and relational cues. Both the specific stimulus features and relational cues exerted reliable stimulus control, with the specific stimulus features exerting more control during the final three fourths of same-different learning. These findings replicate research suggesting that pigeons encode both the specific stimulus features and relational cues, and for the first time document the time-course of control by each kind of cue.
journal_name
Learn Behavjournal_title
Learning & behaviorauthors
Gibson BM,Wasserman EAdoi
10.3758/bf03196019keywords:
subject
Has Abstractpub_date
2004-05-01 00:00:00pages
183-9issue
2eissn
1543-4494issn
1543-4508journal_volume
32pub_type
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