Aim:To explore the electro-physiological changes of visual working memory(WM) and its possible mechanism of capacity limitation and individual differences. Methods: Delayed sample matching duty was used to observe the characteristics of ERP changes of 18 participants under the evoking of different types of stimuli items. The result of ERP analysis was presented by statistical parametric mapping(SPM) of t value. Results: A big negative slow wave in high-capacity group of visual WM was observed in bilateral p...
【基金】
广东省自然科学基金项目(10151503102000012)
【更新日期】
2014-04-23
【分类号】
B842
【正文快照】
近年来随着功能影像学及电生理学参与了工作记忆(working memory,WM)的研究,使人们更直观的发现WM与大脑不同区域的相关性[1-3]。功能磁共振成像(functional magnetic resonance imaging,fMRI)由于有良好的空间分辨率,使研究WM与相应脑区的关系成为可能,但因认知活动与影像表现
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