Event-related brain potentials elicited by a number discrimination task

被引：68

作者：

Kong, J ^{[1
]}

Wang, YP

Zhang, WT

Wang, HJ

Wei, HF

Shang, HY

Yang, XZ

Zhuang, D

机构：

[1] China Acad Tradit Chinese Med, Inst Acupuncture & Moxibust, Beijing 100700, Peoples R China

[2] Capital Univ Med Sci, Xuanwu Hosp, Dept Neurol, Beijing 100053, Peoples R China

[3] Chinese Acad Sci, Inst Psychol, Beijing 100012, Peoples R China

来源：

NEUROREPORT | 2000年 / 11卷 / 06期

关键词：

event-related potential; N270; number cognition;

D O I：

10.1097/00001756-200004270-00010

中图分类号：

Q189 [神经科学];

学科分类号：

071006 ;

摘要：

To study the number cognition process, we recorded event-related potentials (ERPs) in 14 subjects when they were indicating whether a number pair was the same or not. The two numbers given in sequence were either the same (condition 1) or different (condition 2). After 270 ms following the onset of the second stimulus in condition 2, a negative component N270 was recorded on the scalp with the most negative amplitude at the central and occipital areas. Hemispheric asymmetry was not observed in the potential. This negative component is considered to reflect the mismatching process for numbers in the brain. NeuroReport 11:1195-1197 (C) 2000 Lippincott Williams & Wilkins.

引用

页码：1195 / 1197

页数：3

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