A NEUROPHYSIOLOGIC CORRELATE OF VISUAL SHORT-TERM-MEMORY IN HUMANS

被引：76

作者：

BEGLEITER, H

PORJESZ, B

WANG, W

机构：

[1] Neurodynamics Laboratory, Department of Psychiatry, State University of New York, Brooklyn

来源：

ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY | 1993年 / 87卷 / 01期

关键词：

MEMORY; VISUAL MEMORY POTENTIAL; SHORT-TERM MEMORY; EVENT-RELATED POTENTIAL; INFEROTEMPORAL CORTEX; VISUAL OBJECT RECOGNITION;

D O I：

10.1016/0013-4694(93)90173-S

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

Neurophysiological investigations in non-human primates and neuropsychological studies in patients with lesions indicate that the inferotemporal cortex is critically involved in visual object recognition. We have recorded event-related potentials from 31 electrodes in a group of healthy normal individuals performing a modified delayed matching to sample task. We have identified a visual memory potential (VMP) which indexes visual short-term memory in humans. This component of the event-related brain potential occurs as early as 170 msec, is maximal at 240 msec, and is generally located in the temporal region. Both the temporal and spatial characteristics of the VMP in humans are in keeping with single cell studies in monkeys.

引用

页码：46 / 53

页数：8

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