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Titolo:
Tests for inhibition after extinction of a conditioned stimulus in the flavour aversion procedure
Autore:
Agate, L; de Brugada, I; Hall, G;
Indirizzi:
Univ York, Dept Psychol, York YO1 5DD, N Yorkshire, England Univ York York N Yorkshire England YO1 5DD YO1 5DD, N Yorkshire, England Univ Complutense, E-28040 Madrid, Spain Univ Complutense Madrid Spain E-28040 Complutense, E-28040 Madrid, Spain Univ Granada, Granada, Spain Univ Granada Granada SpainUniv Granada, Granada, Spain
Titolo Testata:
QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY SECTION B-COMPARATIVE AND PHYSIOLOGICAL PSYCHOLOGY
fascicolo: 3, volume: 54, anno: 2001,
pagine: 201 - 217
SICI:
0272-4995(200108)54:3<201:TFIAEO>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
REACQUISITION FOLLOWING EXTINCTION; TASTE-AVERSION; SLOW REACQUISITION; SPONTANEOUS-RECOVERY; RETENTION INTERVAL; LATENT INHIBITION; PREEXPOSURE; ASSOCIATIONS; RETRIEVAL; CONTEXT;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
25
Recensione:
Indirizzi per estratti:
Indirizzo: Hall, G Univ York, Dept Psychol, York YO1 5DD, N Yorkshire, England Univ York York N Yorkshire England YO1 5DD , N Yorkshire, England
Citazione:
L. Agate et al., "Tests for inhibition after extinction of a conditioned stimulus in the flavour aversion procedure", Q J EXP P-B, 54(3), 2001, pp. 201-217

Abstract

In four experiments, rats received flavour aversion conditioning followed by extinction. The flavour was then subjected to retardation and summation tests. Experiment 1 showed that reacquisition of an extinguished flavour aversion was retarded with respect to the performance shown by rats for whom the flavour was novel. No retardation was found, however, with respect to acontrol group that had been given non-reinforced pre-exposure to the flavour. Experiment 2 demonstrated that extinction showed the same sensitivity to the effects of a retention interval as did latent inhibition, consistent with the view that the retardation effect was a consequence of the occurrence of latent inhibition during extinction. An extinguished stimulus was also found to alleviate the response governed by a separately trained excitor in a summation test (Experiments 3 and 4), but the size of this effect did not exceed that produced by a control stimulus when the procedure used ensured an equivalent aversion to the test excitor in the two cases. These results challenge the proposal that extinction can turn a stimulus into a net inhibitor.

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Documento generato il 18/01/20 alle ore 01:53:16