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Baseline hippocampal theta oscillation speeds correlate with rate of operant task acquisition

Lucas M Santos Kafui Dzirasa; Rodrigo Kubo; Maria Teresa de Araújo Silva; Sidarta Ribeiro; Koichi Sameshima; Angela C Valle; Cesar Timo-Iaria; Cesar Timo-Iara

Behavioural Brain Research Amsterdam v. 190, n. 1, p. 152-155, 2008

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Título:
Baseline hippocampal theta oscillation speeds correlate with rate of operant task acquisition
Autor: Lucas M Santos
Kafui Dzirasa; Rodrigo Kubo; Maria Teresa de Araújo Silva; Sidarta Ribeiro; Koichi Sameshima; Angela C Valle; Cesar Timo-Iaria; Cesar Timo-Iara
Assuntos: APRENDIZAGEM ANIMAL; PSICOLOGIA EXPERIMENTAL
É parte de: Behavioural Brain Research Amsterdam v. 190, n. 1, p. 152-155, 2008
Descrição: Many lines of evidence indicate that theta rhythm, a prominent neural oscillatory mode found in the mammalian hippocampus, plays a key role in the acquisition, processing, and retrieval of memories. However, a predictive neurophysiological feature of the baseline theta rhythm that correlates with the learning rate across different animals has yet to be identified. Here we show that the mean theta rhythm speed observed during baseline periods of immobility has a strong positive correlation with the rate at which rats learn an operant task. This relationship is observed across rats, during both quiet waking (r = 0.82; p < 0.01) and paradoxical sleep (r = 0.83; p < 0.01), suggesting that the basal theta frequency relates to basic neurological processes that are important in the acquisition of operant behavior
Editor: Amsterdam
Data de criação/publicação: 2008
Formato: p. 152-155.
Idioma: Inglês

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