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The inhibitory effect of amygdaloid stimulation on the “ON-OFF” response of medial geniculate body neurons in rabbits

Yang Li, Feng Maozi, Lu Xiangyue, Zhou Shaoci

Brain Function Research Laboratory,East China Normal University.Shanghai 200062

Abstract

The characteristics of on-off responses of medial geniculate body (MGB) neurons to tone bursts of varying frequency, intensity and duration were affected by lateral amygdaloid nucleus (LAm) stimulation, which was in form of altering the pattern of discharge or complete suppression. The effect also varied with the changes of the interval between amygdaloid stimulation and the tone bursts. The results of the present work show that LAm could modulate temporal processing of auditory information.

Key words: Lateral amygdaloid nucleus;Medial geniculate body;on-off response;Inhibitory

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Citing This Article：

Yang Li, Feng Maozi, Lu Xiangyue, Zhou Shaoci. The inhibitory effect of amygdaloid stimulation on the “ON-OFF” response of medial geniculate body neurons in rabbits. Acta Physiol Sin 1999; 51 (3): (in Chinese with English abstract).