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Titolo:
Amygdala lesions do not impair shock-probe avoidance retention performance
Autore:
Lehmann, H; Treit, D; Parent, MB;
Indirizzi:
Univ Alberta, Dept Psychol, Edmonton, AB T6G 2E9, Canada Univ Alberta Edmonton AB Canada T6G 2E9 hol, Edmonton, AB T6G 2E9, Canada
Titolo Testata:
BEHAVIORAL NEUROSCIENCE
fascicolo: 1, volume: 114, anno: 2000,
pagine: 107 - 116
SICI:
0735-7044(200002)114:1<107:ALDNIS>2.0.ZU;2-0
Fonte:
ISI
Lingua:
ENG
Soggetto:
POTENTIATED STARTLE PARADIGM; CONDITIONED TASTE-AVERSION; INSULAR CORTEX LESIONS; BASOLATERAL AMYGDALA; CENTRAL NUCLEUS; NEUROTOXIC LESIONS; PASSIVE-AVOIDANCE; INESCAPABLE SHOCK; TEMPORAL GRADIENT; FEAR;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Life Sciences
Citazioni:
44
Recensione:
Indirizzi per estratti:
Indirizzo: Parent, MB Univ Alberta, Dept Psychol, Edmonton, AB T6G 2E9, Canada Univ Alberta Edmonton AB Canada T6G 2E9 on, AB T6G 2E9, Canada
Citazione:
H. Lehmann et al., "Amygdala lesions do not impair shock-probe avoidance retention performance", BEHAV NEURO, 114(1), 2000, pp. 107-116

Abstract

The present experiment used the shock-probe paradigm, a procedure usually used to assess anxiolytic processes, to assess memory in amygdala-lesioned rats. Rats were placed in a chamber that contained a probe protruding from 1 of 4 walls and were kept there for 15 min after they contacted the probe. For half the rats, the probe was electrified (2 mA). Four days later, shamor neurotoxic amygdala lesions were induced. Retention performance was assessed 8 days later by measuring the latency to contact the probe and the number of contact-induced shocks. The results indicated that, although shock-naive amygdala-lesioned rats were impaired on the 2nd shock-probe test, shock-experienced amygdala-lesioned rats were not. These data indicate that the memory of a shock experience, as indexed with a shock-probe avoidance response, is spared in rats with large amygdala lesions.

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Documento generato il 25/09/20 alle ore 00:27:26