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Titolo:
TIME OF CONDITIONING SELECTIVELY INFLUENCES CONTEXTUAL FEAR CONDITIONING - FURTHER SUPPORT FOR A MULTIPLE-MEMORY SYSTEMS VIEW OF FEAR CONDITIONING
Autore:
RUDY JW; PUGH CR;
Indirizzi:
UNIV COLORADO,DEPT PSYCHOL,CAMPUS BOX 345 BOULDER CO 80309
Titolo Testata:
Journal of experimental psychology. Animal behavior processes
fascicolo: 3, volume: 24, anno: 1998,
pagine: 316 - 324
SICI:
0097-7403(1998)24:3<316:TOCSIC>2.0.ZU;2-3
Fonte:
ISI
Lingua:
ENG
Soggetto:
DAY-OLD CHICKS; LONG-TERM; RECEPTOR ANTAGONISTS; HIPPOCAMPUS; ONTOGENY; AMYGDALA; LESIONS; AMNESIA; SLEEP; RATS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Physical, Chemical & Earth Sciences
Science Citation Index Expanded
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
37
Recensione:
Indirizzi per estratti:
Citazione:
J.W. Rudy e C.R. Pugh, "TIME OF CONDITIONING SELECTIVELY INFLUENCES CONTEXTUAL FEAR CONDITIONING - FURTHER SUPPORT FOR A MULTIPLE-MEMORY SYSTEMS VIEW OF FEAR CONDITIONING", Journal of experimental psychology. Animal behavior processes, 24(3), 1998, pp. 316-324

Abstract

Time of conditioning influences long-term retention of contextual butnot auditory-cue fear conditioning. Long-Evans rats (Rattus norvegicus) conditioned at 12 noon displayed reduced contextual fear conditioning compared to rats conditioned at 8 a.m. or 4 p.m. This effect was eliminated by exposure to the context 24 hr prior to conditioning and bya posttrial injection of corticosterone (1.0 mg/kg). Time of conditioning did not influence short-term retention of contextual fear. These results suggest that time of conditioning influences the posttrial processes that construct a memory representation of the context. They also support the view that contextual and auditory-cue fear conditioning depend on different processes. These results are discussed in relationto the concept of memory storage modulators.

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Documento generato il 27/05/20 alle ore 15:45:53