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The redefinition of PTSD in the DSM-5 has highlighted a range of post-traumatic affects beyond fear and anxiety. For survivors of interpersonal violence, shame has been shown to be an important contributor of self-reported symptomatology. While biological models of PTSD emphasize physiological arousal secondary to fear and anxiety, evidence suggest...
The emotional go/no-go task is frequently used to assess emotional processing in various populations by measuring response bias and inhibition to valenced facial expressions. To date, however, it has not been studied in conjunction with physiological measures of arousal such as heart rate and respiratory sinus arrhythmia (RSA), the latter of which...
Research on threat responses, particularly among trauma-exposed individuals, have traditionally focused on increased autonomic arousal and reactivity. However, clinical features associated with trauma exposure, such as dissociation (e.g., shutting down or "spacing out") manifest as the opposite pattern: non-reactivity and blunted arousal. These cli...