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Event-Related Potentials Analysis on Perception of Moving Object at Different Speeds
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作者 Yanfei Lin Zhiqiang Lu +3 位作者 Ziwei Zhao Xi Luo Rongxiao Guo Xiaorong Gao 《Tsinghua Science and Technology》 SCIE EI CAS CSCD 2023年第2期283-291,共9页
For this research,electroencephalography(EEG)was analyzed to investigate the perception ability of the brain for moving objects at different speeds.In this experiment,total six kinds of videos regarding license plates... For this research,electroencephalography(EEG)was analyzed to investigate the perception ability of the brain for moving objects at different speeds.In this experiment,total six kinds of videos regarding license plates were created,moving at distinct speed of 0.26 m/s,0.36 m/s,0.46 m/s,0.56 m/s,0.66 m/s,and 0.76 m/s,respectively.In the semantic priming paradigm,the N400 effect was analyzed for each speed.The ERP results demonstrated that the N400 amplitude gradually reduced with increasing speed.At the three lower speeds,N400 was evoked evidently and mainly distributed in the centro-posterior region.At the three higher speeds,no significant N400 effect was found.The results concluded that the perception ability of the brain declined with the acceleration of the object’s moving speed and that the brain recognized the detailed information of the moving object when its speed was lower than 0.46 m/s. 展开更多
关键词 electroencephalography(EEG) N400 perception ability moving object
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