Temporal Analysis of Visual Search Task by Transcranial Magnetic Stimulation
In this study, we examined the temporal aspects of the right posterior parietal cortex in easy feature pop-out visual search using transcranial magnetic stimulation (TMS). The transcranial magnetic stimulations were applied over the right posterior parietal cortex of subjects. Subjects received 4 tests which the TMS onset times were set as 100, 150, 200 and 250 msec after visual stimulus presentation. We found that, when SOA=150 msec, compared to no-TMS condition, there was a significant elevation in response time when the TMS pluses were applied. However for the other SOA cases, there was no significant difference between TMS and no-TMS conditions. Therefore, we considered that pop-out visual search was processed in the right posterior parietal cortex at about 150 msec after stimulus present.
Sheng Ge Shoogo Ueno Keiji Iramina
Graduate School of Information Science and Electrical Engineering, Kyushu University, Japan Faculty of Engineering, Engineering, Kyushu University, Japan
国际会议
Progress in Electromagnetics Research Symposium 2007(2007年电磁学研究新进展学术研讨会)(PIERS 2007)
北京
英文
241-243
2007-03-26(万方平台首次上网日期,不代表论文的发表时间)