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Titolo:
CORRELATIONAL RELATIONSHIP BETWEEN SHOCK-INTENSITY AND CORTICOSTERONESECRETION ON THE ESTABLISHMENT AND SUBSEQUENT EXPRESSION OF CONTEXTUAL FEAR CONDITIONING
Autore:
CORDERO MI; MERINO JJ; SANDI C;
Indirizzi:
UNIV NACL EDUC DISTANCIA,DEPT PSYCHOBIOL,CIUDAD UNIV S-N MADRID 28040SPAIN UNIV NACL EDUC DISTANCIA,DEPT PSYCHOBIOL MADRID 28040 SPAIN
Titolo Testata:
Behavioral neuroscience
fascicolo: 4, volume: 112, anno: 1998,
pagine: 885 - 891
SICI:
0735-7044(1998)112:4<885:CRBSAC>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
DAY-OLD CHICKS; BEHAVIORAL-INHIBITION; PREWEANLING RAT; MEMORY FORMATION; STRESS; ANTAGONISTS; HIPPOCAMPUS; HORMONES; AMNESIA; SYSTEMS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
36
Recensione:
Indirizzi per estratti:
Citazione:
M.I. Cordero et al., "CORRELATIONAL RELATIONSHIP BETWEEN SHOCK-INTENSITY AND CORTICOSTERONESECRETION ON THE ESTABLISHMENT AND SUBSEQUENT EXPRESSION OF CONTEXTUAL FEAR CONDITIONING", Behavioral neuroscience, 112(4), 1998, pp. 885-891

Abstract

A role for corticosterone in the consolidation of contextual fear conditioning has previously been proposed. In this study, physiological evidence was found to support this view. The extent of conditioned fearand the levels of plasma corticosterone in rats, after context exposure at training and at different posttraining times (24 hr and 7 days),depended on the intensity of the unconditional stimulus (footshock). In each experimental session, a positive correlation was found betweenthe magnitude of corticosterone levels and the fear-related behavioral inhibition exhibited in the context. Results support the involvementof corticosterone on the processes that occur during consolidation indetermining the strength at which the contextual fear conditioning isstored as a long-term memory.

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Documento generato il 03/04/20 alle ore 09:54:37