TEMPORAL INTEGRATION IN CAT VISUAL-CORTEX - A TEST OF BLOCH LAW

被引：17

作者：

DUYSENS, J ^{[1
]}

GULYAS, B ^{[1
]}

MAES, H ^{[1
]}

机构：

[1] CAMPUS GASTHUISBERG,NEURO & PSYCHOPHYSIOL LAB,B-3000 LOUVAIN,BELGIUM

来源：

VISION RESEARCH | 1991年 / 31卷 / 09期

关键词：

CAT; TEMPORAL SUMMATION; CRITICAL DURATION; VISUAL CORTEX; INTEGRATION TIME; BLOCH LAW;

D O I：

10.1016/0042-6989(91)90129-S

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

Some units in the cat visual cortex fail to respond to a briefly flashed bar and it has been suggested that such neurons function as visual integrators with a long time constant. To test this integrator hypothesis, a study was made using presentations of a bar, flashed over the receptive field for various durations and at different luminances. Some cortical cells indeed showed an increase in the time to peak latency and in the response amplitude when stimulus duration was prolonged up to 320 msec. Such units obeyed Bloch's law for durations over 100 msec.

引用

页码：1517 / 1528

页数：12

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