注意选择和抑制的不同发育模式
其他题名Distinct developmental patterns in Attentional Selection and Suppression
Meirong Sun; Encong Wang; Ye Tao; Jing Huang; Chenguang Zhao; Jialang Guo; Yan Song
2016
会议名称2016年第一届北京视觉科学会议
会议日期2016-07
会议地点北京
会议主办者中国科学院心理研究所
其他摘要PURPOSE: The current study sought to identify the neurophysiological bases of development in covert spatial attention, focusing on electroencephalographic (EEG) markers of attentional selection (N2pc) and suppression (PD).
METHODS: EEG data were collected from healthy young adults (aged 19–29 years) and typically developing children (ages 9–15 years), while they searched for a shape singleton target either with the absence (Experiment 1) or presence (Experiment 2) of a task-irrelevant color singleton distractor.
RESULTS: The results showed that the lateral shape target elicited a prolonged and smaller N2pc in children (n = 25) compared to adults (n = 28) in Experiment 1. Moreover, the target-elicited N2pc was followed by a similar positivity in both children and adults. In Experiment 2, we replicated the reduced target-elicited N2pc in children. Counterintuitively, the lateral salient-but-irrelevant color distractor elicited a larger PD in children (n = 22) than in adults (n = 31). We found no evidence for a correlation between the reduced target-elicited N2pc and the increased distractor-elicit PD in children.
CONCLUSIONS: Our results provide neurophysiological evidence that covert spatial attention in children of 9-15 years old is still undergoing significant development. Compared to adults, children deploy insufficient attention resources to the targets and use more attentional suppression to resist to the silent-but-irrelevant distractors. However, the development of target selection and distractor suppression might depend on distinct cognitive mechanisms.
学科领域感知觉心理学
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收录类别其他
语种英语
文献类型会议论文
条目标识符http://ir.psych.ac.cn/handle/311026/20836
专题心理所主办学术会议_2016年第一届北京视觉科学会议_会议摘要
作者单位1.State Key Laboratory of Cognitive Neuroscience and Learning & IDG/McGovern Institute for Brain Research, Beijing Normal University, Xinjiekouwai Street 19, Haidian District, Beijing, China, 100875
2.Center for Collaboration and Innovation in Brain and Learning Sciences, Beijing Normal University, Xinjiekouwai Street 19, Haidian District, Beijing, China, 100875
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Meirong Sun,Encong Wang,Ye Tao,等. 注意选择和抑制的不同发育模式[C]. 见:2016年第一届北京视觉科学会议. 北京. 2016-07.http://vision.csp.escience.cn/dct/page/1.
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