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Psoriasis can have profound emotional effects. Patients have a disproportionately high prevalence of depression and report a greater emotional impact of their disease on quality of life than patients with cancer, heart disease, or diabetes. In this study, investigators examined neurocognitive responses to facial expressions of disgust in patients with psoriasis.
Reactions of 13 men with mild-to-moderate chronic plaque-type psoriasis (mean PASI score, 5.3 ± 3.6) were compared with reactions of 13 age- and sex-matched controls. Rates of anxiety and depression did not differ between groups. The subjects were presented with neutral, disgusted, and fearful facial expressions during functional magnetic resonance imaging (fMRI). Compared with contr…