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空间视觉注意
相关语句
  visual-spatial attention
     Objective: To study the characteristic of children's Event-Related Potentials by visual-spatial attention stimuli.
     目的:研究正常儿童空间视觉注意刺激诱发的事件相关电位(Event-RelatedPotentialsERP)的特征。
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  “空间视觉注意”译为未确定词的双语例句
     The precision and computation speed of the new proposed algorithm are also compared with the standard PSO algorithm.
     最后,利用这一改进算法对非主动空间视觉注意的实验数据进行了多偶极子源定位计算验证。
短句来源
  相似匹配句对
     RESEARCH OF NEURAL MECHANISM ON VISUAL SPATIAL ATTENTION BY EVENT-RELATED POTENTIALS
     视觉空间注意的事件相关电位研究
短句来源
     ERP Synchronization Studies in Visual Spatial Attention
     视觉空间注意ERP的同步现象研究
短句来源
     Novel Paradigm Applied to Non-Spatial Attention Study
     非空间视觉选择性注意新模式
短句来源
     Spatial Location Effect in Visual Selective Attention
     视觉注意选择性的空间位置效应的研究
短句来源
     STUDY ON VISUAL SPATIAL ATTENTION EVENT RELATED POTENTIALS BASED ON SYNERGETICS ANALYSIS
     视觉空间注意事件相关电位的协同学分析
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  visual-spatial attention
Differential effects of visual-spatial attention on response latency and temporal-order judgment
      
These results support the proposal that visual-spatial attention modulates neural activity in extrastriate visual cortex but does not affect the initial evoked response in striate cortex.
      


Objective: To study the characteristic of children's Event-Related Potentials by visual-spatial attention stimuli. Methods: 30 8-year-old healthy children were examined with two lists of visual-spatial attention stimuli (valid and invalid). While the stimulus information was shown to participants, EEG was recorded simultaneously. Results: In the occipital region, the N1 and P2 components were enhanced by validly cued stimuli; In the frontal and central regions, the P1 component was enhanced by validly cued stimuli...

Objective: To study the characteristic of children's Event-Related Potentials by visual-spatial attention stimuli. Methods: 30 8-year-old healthy children were examined with two lists of visual-spatial attention stimuli (valid and invalid). While the stimulus information was shown to participants, EEG was recorded simultaneously. Results: In the occipital region, the N1 and P2 components were enhanced by validly cued stimuli; In the frontal and central regions, the P1 component was enhanced by validly cued stimuli and the N1 component was enhanced by invalidly cued stimuli. The latencies of the N1 in the occipital region were significantly shorter than those in the frontal and central regions. Conclusion: There is an enhanced efficiency of sensory-perceptual processing for attended location stimuli(validly cued stimuli), but children's target performance is affected by the mere variation of information in non-target channels.

目的:研究正常儿童空间视觉注意刺激诱发的事件相关电位(Event-RelatedPotentialsERP)的特征。方法:采用有效提示、无效提示刺激模块(即PosnerCue)对30名8岁儿童进行检测。刺激信号同步触发,数字化脑电图(EEG)同步记录,使用德国的Besa软件从中提取ERP进行分析。结果:同一导联脑枕后部同一导联有效提示的N1、P2波幅大于无效提示(P<0.05),潜伏期无差异(P>0.05);脑顶前部有效提示的P1波幅大于无效提示,N1波幅则小于无效提示(P<0.05),潜伏期无差异(P>0.05);脑顶前部导联的N1潜伏期长于枕后部导联(P<0.05)。结论:处理有效刺激的投入大收益也大,处理无效刺激的投入小收益也小,但儿童易受差异信息的干扰使得收益发生改变;二者的处理时程相似。

 
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