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Titolo:
Overshadowing of subsequent events and recovery thereafter
Autore:
Burger, DC; Mallemat, H; Miller, RR;
Indirizzi:
SUNY Binghamton, Dept Psychol, Binghamton, NY 13902 USA SUNY Binghamton Binghamton NY USA 13902 Psychol, Binghamton, NY 13902 USA
Titolo Testata:
QUARTERLY JOURNAL OF EXPERIMENTAL PSYCHOLOGY SECTION B-COMPARATIVE AND PHYSIOLOGICAL PSYCHOLOGY
fascicolo: 2, volume: 53, anno: 2000,
pagine: 149 - 171
SICI:
0272-4995(200005)53:2<149:OOSEAR>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Soggetto:
CONTINGENCY JUDGMENT; CUE COMPETITION; CAUSALITY JUDGMENTS; STIMULUS; ASSOCIATIONS; COMPOUND; EXCITATION; EXPRESSION; INTERVAL; PAIRINGS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Life Sciences
Citazioni:
43
Recensione:
Indirizzi per estratti:
Indirizzo: Miller, RR SUNY Binghamton, Dept Psychol, Binghamton, NY 13902 USA SUNY Binghamton Binghamton NY USA 13902 nghamton, NY 13902 USA
Citazione:
D.C. Burger et al., "Overshadowing of subsequent events and recovery thereafter", Q J EXP P-B, 53(2), 2000, pp. 149-171

Abstract

Four experiments using a conditioned lick suppression preparation with rats mere conducted to examine whether overshadowing of subsequent events could be obtained in Pavlovian backward conditioning (i.e. unconditioned stimulus [US] before conditioned stimulus [CS]), and to determine whether such overshadowing could be reversed without further training with the overshadowed CS, as has been reported in overshadowing of antecedent events. In Experiment 1, a backward-conditioned CS overshadowed a second backward-conditioned CS. Two posttraining manipulations, extinction of the overshadowing CS (Experiment 2) and shifting of the temporal relationship of the overshadowingCS to the US (Experiment 3), increased responding to the overshadowed CS. These results constitute the first unambiguous demonstration of stimulus competition between subsequent events using first-order conditioning, and they show that, like overshadowing with forward conditioning, such overshadowing is due, at least in part if not completely; to a failure to express information that had been acquired.

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Documento generato il 04/04/20 alle ore 12:10:12