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学术讲座:Effective Connectivity Analysis of Cognitive Brain Networks
日期: 2011/05/04 

Speaker: Prof. Zhouming Ding
      J. Crayton Pruitt Family Professor
      Department of Biomedical Engineering
      University of Florida, United States
Time:   10:00 am – 11:30 am
Date:   May 12, 2011
Venue: 中科院心理所北楼一层报告厅

Brief Abstract: Cognitive operations of the brain are achieved through cooperative neural processing. Multielectrode recording and functional imaging provide us the opportunity to study neuronal mechanisms of cognition and its breakdown in disease from a network perspective. Analytically, cross correlation and ordinary coherence are the main statistics for assessing functional connectivity between different neurons and different brain areas. More recent advances have begun to emphasize effective connectivity measures that yield directions of neural interactions. One of the most commonly applied effective connectivity measure is Granger causality. In this talk I will introduce the concept of Granger causality and present results from applying it to local field potential data from monkeys and EEG and fMRI data from humans performing cognitive tasks.

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