EEG Alpha Activity Reflects Attentional Demands, and Beta Activity Reflects Emotional and Cognitive Processes

DOI Web Site 被引用文献31件
  • William J. Ray
    Department of Psychology, Pennsylvania State University, University Park 16802
  • Harry W. Cole
    Department of Psychology, Pennsylvania State University, University Park 16802

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<jats:p>Two experiments were designed to examine the effects of attentional demands on the electroencephalogram during cognitive and emotional tasks. We found an interaction of task with hemisphere as well as more overall parietal alpha for tasks not requiring attention to the environment, such as mental arithmetic, than for those requiring such attention. Differential hemispheric activation for beta was found most strongly in the temporal areas for emotionally positive or negative tasks and in the parietal areas for cognitive tasks.</jats:p>

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  • Science

    Science 228 (4700), 750-752, 1985-05-10

    American Association for the Advancement of Science (AAAS)

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