乳头体
传出的
神经科学
心理学
嗜睡
自发交替
唤醒
丘脑
海马体
传入的
精神科
作者
Timothy D. Field,Judith Rosenstock,E.Cameron King,Ernest Greene
标识
DOI:10.1016/0361-9230(78)90074-6
摘要
FIELD, T. D., J. R. ROSENSTOCK, E. C. KING AND E. G. GREENE. Behavioral role of the mammillary efferentsystem. BRAIN RES. BULL. 3(5) 451–456, 1978.—The present study examined the effects of lesions of the mammillary system on spatial memory and arousal. Destruction of the medial mammillary nucleus or the mammillotegmental tract produces impairments on a delayed alternation task and greatly increases activity in the open-field. Lesions of the mammillothalamic tract produce a differential effect in that the spatial alternation deficit is accompanied by a general lethargy and unresponsiveness. It is suggested that the mammillary system plays a crucial role in the short-term storage of proprioceptive information necessary for the successive execution of maze choices. It also appears to play a role in the arousal state of the animal.
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