搜索威胁:负性情绪图片的选择性注意

快速搜索和探测具有威胁的刺激是人类生存的基础。威胁刺激能激起恐怖、焦虑等负性情绪,搜索表达负性情绪图片中的选择性注意是近期研究的焦点。负性情绪刺激的搜索较快,其作为干扰物又会影响其他靶子的搜索成绩。研究者提出注意获得和注意固着两种观点加以解释。时间进程的分析表明,警戒-回避模式能较好说明恐怖/焦虑个体对威胁刺激的加工。

Searching for Threat: Selective Attention of Negative Emotional Pictures

Searching and detection of threat-related stimuli is the foundation of human existence. Threat-related stimuli can induce negative emotion, such as fear, anxiety and so on. Selective attention to searching the negative emotional pictures is the focus of recent research. In visual search, it is faster to search negative emotional pictures. In addition, when negative emotional pictures are used as targets, they can influence the performance of searching other emotional targets. The two views vigilance to threat information and difficulty to disengage attention from threat are used to explain the phenomenon mentioned above. Analysis of time course shows that Hypervigilance-avoidance pattern explains the processing of searching threat of phobics and anxiety individuals more reasonably.