Reinstatement of short-latency responses after asymptotic Pavlovian conditioning training by the presentation of an extraneous stimulus
Biol. Res
; 45(1): 61-65, 2012. ilus
Article
em En
| LILACS
| ID: lil-626748
Biblioteca responsável:
CL1.1
ABSTRACT
The purpose of this study was to examine whether the progressive disappearance of short-latency conditioned responses, or inhibition of delay, observed in Pavlovian conditioning with long inter-stimulus intervals, could be reverted by the presentation of a novel stimulus. In one experiment, two groups of rabbits received extensive training with a short (250 ms) or a long (1500 ms) tone that overlapped and terminated with a periorbital shock unconditioned stimulus. After training, the presentation of an extraneous stimulus prior to tone onset produced a reinstatement of short latency CRs in the group trained with the long CS, but did not affect CR latency in the group trained with the short CS. This finding is consistent with Pavlov's (1927) view that conditioning with long conditioned stimuli involves the acquisition of response tendencies in the early portion of the stimulus that are subsequently suppressed by the development of an inhibitory process.
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Texto completo:
1
Coleções:
01-internacional
Base de dados:
LILACS
Assunto principal:
Tempo de Reação
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Comportamento Animal
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Condicionamento Clássico
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Condicionamento Palpebral
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Inibição Psicológica
Limite:
Animals
Idioma:
En
Revista:
Biol. Res
Ano de publicação:
2012
Tipo de documento:
Article
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Project document