Responses to Ambiguous Facial Expressions in Posttraumatic Stress DisorderSangermano, 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