PRESENTATION RATE AND MAGNITUDE OF STIMULUS DEVIANCE EFFECTS ON HUMAN PRE-ATTENTIVE CHANGE DETECTION

被引：63

作者：

SCHROGER, E

WINKLER, I

机构：

[1] HUNGARIAN ACAD SCI,INST PSYCHOL,BUDAPEST,HUNGARY

[2] UNIV HELSINKI,DEPT PSYCHOL,COGNIT BRAIN RES UNIT,HELSINKI,FINLAND

来源：

NEUROSCIENCE LETTERS | 1995年 / 193卷 / 03期

基金：

匈牙利科学研究基金会;

关键词：

AUDITION; CHANGE DETECTION; EVENT-RELATED BRAIN POTENTIAL; MISMATCH NEGATIVITY; AUDITORY SENSORY MEMORY; NEURAL REPRESENTATION;

D O I：

10.1016/0304-3940(95)11696-T

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

The present study investigated the effects of the inter-stimulus interval (ISI) and the magnitude of deviance on the mismatch negativity (MMN), an event-related potential index of pre-attentive change detection. The latency of the MMN to infrequent changes in intensity and duration was prolonged by increasing the ISI from 400 ms to 4 s. Results indicate that these features are preserved in sensory memory for several seconds. By increasing the ISI the sharpness of the neural traces decreases, thus prolonging the change detection process.

引用

页码：185 / 188

页数：4

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