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Titolo:
The effect of on- or off-line extinction of a first-order conditioned stimulus on a second-order conditioned response in rats
Autore:
Kaneshige, K; Nakajima, S; Imada, H;
Indirizzi:
Kwansei Gakuin Univ, Dept Psychol, Nishinomiya, Hyogo 6628501, Japan Kwansei Gakuin Univ Nishinomiya Hyogo Japan 6628501 Hyogo 6628501, Japan
Titolo Testata:
JAPANESE PSYCHOLOGICAL RESEARCH
fascicolo: 2, volume: 43, anno: 2001,
pagine: 91 - 97
SICI:
0021-5368(200105)43:2<91:TEOOOO>2.0.ZU;2-N
Fonte:
ISI
Lingua:
ENG
Soggetto:
2ND-ORDER; AVERSION;
Keywords:
second-order conditioning; extinction; conditioned fear; conditioned suppression; rats;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social & Behavioral Sciences
Citazioni:
26
Recensione:
Indirizzi per estratti:
Indirizzo: Kaneshige, K Japan Air Self Def Force, Aero Safety Serv Grp, Tachikawa 1900003, Japan Japan Air Self Def Force Tachikawa Japan 1900003 003, Japan
Citazione:
K. Kaneshige et al., "The effect of on- or off-line extinction of a first-order conditioned stimulus on a second-order conditioned response in rats", JPN PSY RES, 43(2), 2001, pp. 91-97

Abstract

In a water-licking experiment with rats, the effects of the extinction of a first-order conditioned stimulus (CS1) on the suppression of licking established for a second-order conditioned stimulus (CS2) were explored. Extinction of the ii ist-order conditioned response (CR1) attenuated the conditioned suppression induced by CS2 when the rats had been allowed to lick waterduring the CR1 extinction phase. However, if water had been unavailable during the CR1 extinction phase, suppression by CS2 was not affected. The latter result is consistent with other studies of rats' conditioned suppression and suggests that: the underlying mechanism of second-order conditioning in this experiment is a connection between CS2 and the response elicited byCS1 rather than a CS2-CS1 connection. The former result was interpreted asthe CR1 extinction phase encouraging the rats to lick water despite the fear elicited by CS1, and thus, in testing, they licked despite the fear elicited by CS2.

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Documento generato il 09/04/20 alle ore 00:28:30