Abstract
Patients with psychogenic nonepileptic seizures (PNES) often report symptoms of dissociation. However, it is unclear how these symptoms relate to psychotherapeutic treatment, for example, with cognitive-behavioral therapy (CBT). Here, we investigated the degree of overlap between symptoms of dissociation and other psychiatric features that are more traditional targets for CBT. We used a hierarchical linear regression to measure the variance associated with dissociative symptoms (as assessed by the Dissociative Experiences Scale — DES) among 46 individuals with PNESs. The regression predictor variables are indices of participants' self-rated mood, self-efficacy, quality of life, locus of control, and life outlook (e.g., optimism). Results revealed that 70.2% of the variance associated with DES score was explained by psychological distress and locus of control. The other factors examined did not make a significant contribution to the regression model. These results suggest that traditional CBT targets – mood symptoms, mood distress, and dysfunctional beliefs about locus of control – overlap substantially with self-reported dissociative symptoms.
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