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Titolo:
EFFECTS OF NEGATIVE CONTINGENCY UPON CONDITIONED SUPPRESSION OF LICKING IN RATS - SYSTEMATIC MANIPULATIONS OF SESSION LENGTH AND NUMBER OF SHOCKS
Autore:
KITAGUCHI K; IMADA H;
Indirizzi:
KWANSEI GAKUIN UNIV,SCH HUMANITIES,DEPT PSYCHOL NISHINOMIYA HYOGO 662JAPAN
Titolo Testata:
Japanese psychological research
fascicolo: 4, volume: 37, anno: 1995,
pagine: 210 - 220
SICI:
0021-5368(1995)37:4<210:EONCUC>2.0.ZU;2-O
Fonte:
ISI
Lingua:
ENG
Keywords:
NEGATIVE CONTINGENCY; CONDITIONED INHIBITION; NUMBER OF SHOCKS; RAT; CONDITIONED SUPPRESSION OF LICKING;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
21
Recensione:
Indirizzi per estratti:
Citazione:
K. Kitaguchi e H. Imada, "EFFECTS OF NEGATIVE CONTINGENCY UPON CONDITIONED SUPPRESSION OF LICKING IN RATS - SYSTEMATIC MANIPULATIONS OF SESSION LENGTH AND NUMBER OF SHOCKS", Japanese psychological research, 37(4), 1995, pp. 210-220

Abstract

The present experiments were designed to test the effects of negativecontingencies of CS and US on conditioned suppression of licking in rats under conditions where P (US/CS)-P (US/noCS) pairs were .50-.50,.25-.50, and 00-.50. The contingencies were manipulated by matching the session length in a Time-Matched (TM) condition, and by matching the number of USs in a Number-Matched (NM) condition. To assess conditionedinhibition, the retardation technique was used in Experiment 1 and the summation technique was used in Experiment 2. The two methods of manipulating contingencies did not affect conditioning differently. Additionally, clear evidence of conditioning of excitation was found under zero contingency (.50-.50). However,.25-.50 conditions yielded no evidence of conditioning, and the inhibition was conditioned under 00-.50 conditions. The results are discussed with reference to possible procedural artifacts and the Rescorla-Wagner model.

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Documento generato il 04/04/20 alle ore 01:22:05