Responses to Ambiguous Facial Expressions in Posttraumatic Stress Disorder

Sangermano, Lisa M.


  • Posttraumatic stress disorder (PTSD) is associated with increased arousal and exaggerated responses to potential threats. This study aims to determine whether individuals with PTSD perceive surprised faces as a potential threat. Surprise is an ambiguous emotion that can represent a positive or negative context. Previous studies have shown that individuals with PTSD show abnormal brain activation t... read more
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