| Records |
| Author |
Zentall, T.R.; Riley, D.A. |
| Title |
Selective attention in animal discrimination learning |
Type |
Journal Article |
| Year |
2000 |
Publication  |
The Journal of general psychology |
Abbreviated Journal |
J Gen Psychol |
| Volume |
127 |
Issue |
1 |
Pages |
45-66 |
| Keywords |
Animals; Attention/*physiology; Behavior, Animal/physiology; Conditioning (Psychology)/physiology; Cues; Discrimination Learning/*physiology; Generalization, Response; Rats |
| Abstract |
The traditional approach to the study of selective attention in animal discrimination learning has been to ask if animals are capable of the central selective processing of stimuli, such that certain aspects of the discriminative stimuli are partially or wholly ignored while their relationships to each other, or other relevant stimuli, are processed. A notable characteristic of this research has been that procedures involve the acquisition of discriminations, and the issue of concern is whether learning is selectively determined by the stimulus dimension defined by the discriminative stimuli. Although there is support for this kind of selective attention, in many cases, simpler nonattentional accounts are sufficient to explain the results. An alternative approach involves procedures more similar to those used in human information-processing research. When selective attention is studied in humans, it generally involves the steady state performance of tasks for which there is limited time allowed for stimulus input and a relatively large amount of relevant information to be processed; thus, attention must be selective or divided. When this approach is applied to animals and alternative accounts have been ruled out, stronger evidence for selective or divided attention in animals has been found. Similar processes are thought to be involved when animals search more natural environments for targets. Finally, an attempt is made to distinguish these top-down attentional processes from more automatic preattentional processes that have been studied in humans and other animals. |
| Address |
Department of Psychology, University of Kentucky, Lexington 40506, USA. Zentall@pop.uky.edu |
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| Language |
English |
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Edition |
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| ISSN |
0022-1309 |
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| Notes |
PMID:10695951 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
250 |
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| Author |
Clement, T.S.; Weaver, J.E.; Sherburne, L.M.; Zentall, T.R. |
| Title |
Simultaneous discrimination learning in pigeons: value of S- affects the relative value of its associated S+ |
Type |
Journal Article |
| Year |
1998 |
Publication |
The Quarterly journal of experimental psychology. B, Comparative and physiological psychology |
Abbreviated Journal |
Q J Exp Psychol B |
| Volume |
51 |
Issue |
4 |
Pages |
363-378 |
| Keywords |
Animals; *Attention; Color Perception; Columbidae; *Discrimination Learning; Female; Male; *Motivation; Orientation; Transfer (Psychology) |
| Abstract |
In a simple simultaneous discrimination involving a positive stimulus (S+) and a negative stimulus (S-), it has been hypothesized that positive value can transfer from the S+ to the S- (thus increasing the relative value of the S-) and also that negative value can transfer from the S- to the S+ (thus diminishing the relative value of the S+; Fersen, Wynne, Delius, & Staddon, 1991). Evidence for positive value transfer has been reported in pigeons (e.g. Zentall & Sherburne, 1994). The purpose of the present experiments was to determine, in a simultaneous discrimination, whether the S- diminishes the value of the S+ or the S- is contrasted with the S+ (thus enhancing the value of the S+). In two experiments, we found evidence for contrast, rather than value transfer, attributable to simultaneous discrimination training. Thus, not only does the S+ appear to enhance the value of the S-, but the S- appears to enhance rather than reduce the value of the S+. |
| Address |
Department of Psychology, University of Kentucky, Lexington 40506-0044, USA |
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English |
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Edition |
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| ISSN |
0272-4995 |
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| Notes |
PMID:9854439 |
Approved |
no |
| Call Number |
refbase @ user @ |
Serial |
252 |
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