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[视觉皮层神经元对不同闪光刺激条件的相位反应]

[Phasic reactions of visual cortex neurons to different conditions of stimulation with light flashes].

作者信息

Iakupova L P

出版信息

Zh Vyssh Nerv Deiat Im I P Pavlova. 1982 Nov-Dec;32(6):1140-8.

PMID:7164579
Abstract

In experiments on rabbits in conditions of quiet wakefulness, most of the activation phases in responses of neurones in the visual cortex to diffuse light flashes set in independently of each other within two short time intervals after the stimulus: the early--20 to 40 ms and the late one--190 to 250 ms. In the after-effect of reticular stimulation changes concern mainly the nature of temporal distribution of late activation phases of the specific responses; the early phases do not undergo any substantial reorganization. In quiet wakefulness differences were found in the distribution of activation phases in neuronal responses of different cortical layers, not observed in the after-effect of reticular stimulation.

摘要

在安静觉醒状态下对兔子进行的实验中,视觉皮层神经元对漫射光闪烁反应的大多数激活阶段在刺激后的两个短时间间隔内彼此独立出现:早期为20至40毫秒,晚期为190至250毫秒。在网状刺激的后效应中,变化主要涉及特定反应晚期激活阶段的时间分布性质;早期阶段未发生任何实质性重组。在安静觉醒状态下,发现不同皮层层神经元反应中激活阶段的分布存在差异,而在网状刺激的后效应中未观察到这种差异。

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