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研究了视体单模靶刺激(V,S)与视体双模联合靶刺激(SV)条件下大脑认知作用的差异及双模增进作用的神经机制。采用64道脑电(EEG)信号采集系统,记录了14个被试在视觉、体感觉和视体联合靶刺激条件下的脑诱发电位和行为学数据,检测了单模与双模间行为学(反应时间和错误率)和ERPs(P2,P3)数据的差异,并分析了行为学与ERP数据间的相关性。通过比较视体联合靶刺激和视体单独靶刺激的行为学和ERP结果,提出视体联合刺激双模增进作用可能的神经机制。
The difference of cognitive function and the neural mechanism of bimodal enhancement between single-mode target stimuli (V, S) and visual bOD-SVM were studied. Sixty-four electroencephalography (EEG) signal acquisition systems were used to record the brain evoked potential and behavioral data of 14 subjects under visual, somatosensory and visual field combined target stimuli. The behavior of single-mode and dual-mode (Reaction time and error rate) and ERPs (P2, P3) data, and analyzed the correlation between behavior and ERP data. By comparing the visual acuity combined with target stimuli and visual acuity of the individual target stimuli and ERP results, put forward the combined visual stimuli may promote the role of dual neural mechanisms.