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A controlled study of personality and affect in Tourette syndrome
journal contributionposted on 2023-06-08, 14:37 authored by Clare M Eddy, Hugh E Rickards, Hugo CritchleyHugo Critchley, Andrea E Cavanna
OBJECTIVE Tourette syndrome (TS) can increase the likelihood of social and emotional difficulties which may shape an individual's personality and self-perception. We investigated personality and affect in patients with TS. METHODS Twenty-five adults with TS (2 with co-morbid obsessive compulsive disorder, 4 with co-morbid attention-deficit hyperactivity disorder and 4 with both co-morbidities), who were not clinically depressed, and 25 matched controls participated in the study. They completed the Ten-Item Personality Index, the Positive and Negative Affect Scale and the Beck Depression Inventory. RESULTS Adults with TS exhibited no differences from controls in reported emotional experience or depressive symptoms but did differ for four of the five assessed personality dimensions; extraversion, conscientiousness, openness and emotional stability. Individuals with pure TS (who had no co-morbid conditions) exhibited reduced extraversion and emotional stability compared to controls. Personality scores were not related to tic severity, yet lower emotional stability scores were associated with higher ratings of negative affect. CONCLUSIONS This study is limited by a restricted sample in terms of size and source. However, our findings indicate that in the absence of depression and common co-morbidities, people with TS differ from controls in indices of personality, which are linked to negative affectivity.
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- BSMS Neuroscience Publications
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