期刊
EMOTION
卷 10, 期 2, 页码 283-288出版社
AMER PSYCHOLOGICAL ASSOC
DOI: 10.1037/a0017751
关键词
attention; attentional blink; emotion; stress; cortisol
Individuals are often unable to identify the second target (T2) of two when it is presented within 500 ms after the first target (T1). This attentional blink (AB) is attenuated by an emotionally arousing T2. Stress is known to affect cognitive performance, in particular for emotional material. In the present study, we asked whether (a) an emotional T2 reduces the AB when preceded by an emotional T1 and (b) the emotional modulation of the AB is affected by stress. Participants were presented neutral and aversive words as T1 and T2 in rapid serial visual presentation after they were exposed to stress (socially evaluated cold pressor test) or a control condition in a crossover manner. Our results indicate that an aversive T1 extends the AB. Aversive T2 attenuated the AB in the presence of a neutral, but not an aversive, T1. Stress-enhanced T2 detection and high cortisol responses to stress reduced the AB. However, neither stress nor cortisol interacted with the emotionality of the target words. In summary, these findings point to a strong impact of emotional factors on early perceptual experiences.
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