题  目：Cognitive expression of brain resource reduction due to

high altitude exposure （高原环境导致大脑加工资源减少的认知表现）

主讲人：张德龙 博士（华南师范大学心理学院）

时  间：11月24日（周四）下午4点到5点

地  点：心理学院301会议室

摘要内容：

Many previous studies have reported the cognitive impairment from the high altitude exposure. The present study focused on the immigrants in Tibet to systematically explore the cognitive resource change during conflict control and response inhibition process via combining the classical psychology paradigm (Flank task and Go/Nogo task) and ERP approach. Based on this, we found that the cognitive resource decreased due to high altitude exposure reflecting at the smaller P3 amplitude in the high altitude population. Furthermore, we explored the expression of the cognitive resource reduction in the working memory (n-back) and attention (ANT) performance in the high altitude group. We found that the reduced cognitive resource influenced the refresh ability of the spatial/word working memory on the high memory load condition. And the reduced cognitive resource significantly altered the executive-control (P3 and N2), orienting (N1 and P1), and alerting (N1 and P1) function of attention networks in the high altitude group. Together, the present study will provide new insights into the neural basis underlying the cognition impairment due to high altitude exposure.