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加州海兔中静态神经输入对脑神经元的激活作用。

Activation of cerebral neurons by static nerve inputs in Aplysia californica.

作者信息

Salánki J, Jahan-Parwar B

出版信息

Comp Biochem Physiol A Comp Physiol. 1985;80(4):539-45. doi: 10.1016/0300-9629(85)90409-8.

DOI:10.1016/0300-9629(85)90409-8
PMID:2859138
Abstract

A number of cerebral B-neurons of Aplysia californica were activated by tactile stimulation of the statocysts and by electrical stimulation of the static nerve. Types of responses recorded included antidromic spike, monosynaptic EPSP with or without spike and polysynaptic EPSPs. Some of the B-neurons were inhibited by trains of electrical stimulation of the static nerve. Hyperpolarization was mostly preceded by a short increase of spiking, usually during stimulation. Some A-neurons also responded with inhibition. The statocyst nerve contained axons carrying information not only from the statocysts to the cerebral ganglion but also from the cerebral ganglion to the statocyst. The latter pathway could be activated by tactile stimulation of the tentacles. Activation of either static nerves resulted in the increase of activity of the other static nerve through the cerebral ganglion, suggesting interaction between the two statocysts.

摘要

对加州海兔的一些脑B神经元进行刺激,通过对平衡囊的触觉刺激以及对平衡神经的电刺激,可使其激活。记录到的反应类型包括逆向冲动、伴有或不伴有冲动的单突触兴奋性突触后电位(EPSP)以及多突触EPSP。一些B神经元会被平衡神经的一连串电刺激所抑制。超极化大多在刺激期间先出现短暂的放电增加。一些A神经元也会出现抑制反应。平衡囊神经中含有轴突,这些轴突不仅从平衡囊向脑神经节传递信息,还从脑神经节向平衡囊传递信息。后一条通路可通过触须的触觉刺激来激活。任一平衡神经的激活都会通过脑神经节导致另一平衡神经的活动增加,这表明两个平衡囊之间存在相互作用。

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Activation of cerebral neurons by static nerve inputs in Aplysia californica.加州海兔中静态神经输入对脑神经元的激活作用。
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