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Titolo:
BACKWARD SENSORY PRECONDITIONING
Autore:
WARDROBINSON J; HALL G;
Indirizzi:
UNIV YORK,DEPT PSYCHOL YORK YO1 5DD N YORKSHIRE ENGLAND
Titolo Testata:
Journal of experimental psychology. Animal behavior processes
fascicolo: 4, volume: 22, anno: 1996,
pagine: 395 - 404
SICI:
0097-7403(1996)22:4<395:BSP>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Soggetto:
COMPOUND FLAVOR ASSOCIATIONS; REPRESENTATION; AVERSIONS; EXTINCTION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
J. Wardrobinson e G. Hall, "BACKWARD SENSORY PRECONDITIONING", Journal of experimental psychology. Animal behavior processes, 22(4), 1996, pp. 395-404

Abstract

In Experiments 1 and 2, rats received initial training in which two neutral events were presented as a serial compound (A-->X). Subsequent training with A as a signal for shock was found to endow X with the ability to evoke the conditioned response of suppression. Experiment 2 also showed that responding to X was diminished if, prior to testing, Stimulus A underwent extinction. Two possible mechanisms for these findings are considered: (a) that X elicits responding through the associative chain X-A-shock, and (b) that A activates a representation of X that gains direct associative strength during conditioning with A and loses it during extinction of A. Experiment 3 demonstrated that an X-shock association established after initial A-->X training can be extinguished by nonreinforced presentations of A. These results suggest thatassociatively evoked representations of stimuli can enter into associations.

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Documento generato il 05/12/20 alle ore 07:54:19