expressions
Su Young Lee, Jee In Kang, Eun Lee, Kee Namkoong and Suk Kyoon An
Abstract
Compared to neutral or happy stimuli, subliminal fear stimuli are known to
be well processed through the automatic pathway. We tried to examine
whether fear stimuli could be processed more strongly than other negative
emotional stimuli using a modified subliminal affective priming paradigm.
Twenty-six healthy subjects participated in two separated sessions. Fear,
disgust and neutral facial expressions were adopted as primes, and 50%
happy facial stimuli were adopted as a target to let only stronger
negative primes reveal a priming effect. Participants were asked to
appraise the affect of target faces in the affect appraisal session and to
appraise the genuineness of target faces in the genuineness appraisal
session. The genuineness instruction was developed to help participants be
sensitive to potential threats. In the affect appraisal, participants
judged 50% happy target faces significantly more 'unpleasant' when they
were primed by fear faces than primed by 50% happy control faces. In the
genuineness appraisal, participants judged targets significantly more 'not
genuine' when they were primed by fear and disgust faces than primed by
controls. These findings suggest that there may be differential priming
effects between subliminal fear and disgust expressions, which could be
modulated by a sensitive context of potential threat.
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