Abstract：
:Pearce, Dopson, Haselgrove, and Esber (Journal of Experimental Psychology: Animal Behavior Processes, 38, 167-179, 2012) conducted a series of experiments with rats and pigeons in which the conditioned responding elicited by two types of redundant cue was compared. One of these redundant cues was a blocked cue X from A+ AX+ training, whereas the other was cue Y from a simple discrimination BY+ CY-. Greater conditioned responding was elicited by X than by Y; we refer to this difference as the redundancy effect. To test an explanation of this effect in terms of comparator theory (Denniston, Savastano, & Miller, 2001), a single group of rats in Experiment 1 received training of the form A+ AX+ BY+ CY-, followed by an A- Y+ discrimination. Responding to the individual cues was tested both before and after the latter discrimination. In addition to a replication of the redundancy effect during the earlier test, we observed stronger responding to B than to X, both during the earlier test and, in contradiction of the theory, after the A- Y+ discrimination. In Experiment 2, a blocking group received A+ AX+, a continuous group received AX+ BX-, and a partial group received AX± BX± training. Subsequent tests with X again demonstrated the redundancy effect, but also revealed a stronger response in the partial than in the continuous group. This pattern of results is difficult to explain with error-correction theories that assume that stimuli compete for associative strength during conditioning. We suggest, instead, that the influence of a redundant cue is determined by its relationship with the event with which it is paired, and by the attention it is paid.
journal_name
Learn Behavjournal_title
Learning & behaviorauthors
Jones PM,Pearce JMdoi
10.3758/s13420-014-0162-xsubject
Has Abstractpub_date
2015-03-01 00:00:00pages
72-82issue
1eissn
1543-4494issn
1543-4508journal_volume
43pub_type
杂志文章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 pro...
journal_title：Learning & behavior
pub_type： 杂志文章
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journal_title：Learning & behavior
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pub_type： 杂志文章,评审
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doi：10.3758/bf03193050
更新日期：2007-08-01 00:00:00
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doi：10.3758/s13420-012-0080-8
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更新日期：2017-09-01 00:00:00
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journal_title：Learning & behavior
pub_type： 评论,杂志文章
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更新日期：2018-09-01 00:00:00
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pub_type： 评论,杂志文章
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更新日期：2018-12-01 00:00:00
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pub_type： 评论,杂志文章
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pub_type： 杂志文章
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更新日期：2018-03-01 00:00:00
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pub_type： 杂志文章
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更新日期：2014-06-01 00:00:00
