Effect of task complexity on intelligence and neural efficiency in children: an event-related potential study

被引：7
作者：
Zhang, Qiong
Shi, Jiannong
Luo, Yuejia
Liu, Sainan
Yang, Jie
Shen, Mowei
机构：
[1] Chinese Acad Sci, Inst Psychol, Key Lab Mental Hlth, Beijing 100101, Peoples R China
[2] Zhejiang Univ, Dept Psychol, Hangzhou 310027, Zhejiang, Peoples R China
[3] Beijing Capital Normal Univ, Lab Learning & Cognit, Beijing, Peoples R China
[4] Beijing Normal Univ, NatlKey Lab Cognit Neurosci & Learning, Beijing 100875, Peoples R China
[5] China PLA Gen Hosp, Dept Neurol, Beijing, Peoples R China
[6] Beijing Yihai Primary Sch, Beijing, Peoples R China
来源：
NEUROREPORT | 2007年 / 18卷 / 15期
关键词：
complexity; event-related potentials; intelligence; neural efficiency;
D O I：
10.1097/WNR.0b013e3282f03f22
中图分类号：
Q189 [神经科学];
学科分类号：
071006 ;
摘要：
The present study investigates the effects of task complexity, intelligence and neural efficiency on children's performance on an Elementary Cognitive Task. Twenty-three children were divided into two groups on the basis of their Raven Progressive Matrix scores and were then asked to complete a choice reaction task with two test conditions. We recorded the electroencephalogram and calculated the peak latencies and amplitudes for anteriorly distributed P225, N380 and late positive component. Our results suggested shorter late positive component latencies in brighter children, possibly reflecting a higher processing speed in these individuals. Increased P225 amplitude and increased N380 amplitudes for brighter children may indicate a more efficient allocation of attention for brighter children. No moderating effect of task complexity on brain-intelligence relationship was found.
引用
收藏
页码：1599 / 1602
页数：4
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