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Exploring circannual rhythms and chronotype effect in patients with Obsessive-Compulsive Tic Disorder (OCTD): A pilot study
Yearly biological rhythms and daily activity patterns in people with Obsessive-Compulsive Tic Disorder
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Abstract
A statistically significant circannual rhythm for obsessive-compulsive symptoms was observed (p = 0.007).
- Obsessive-compulsive symptoms varied significantly throughout the year, with lower severity reported in summer compared to winter and autumn.
- No circannual rhythm was detected for tic severity, which remained consistent across seasons.
- Patients were categorized into three chronotypes: 40.5% morning-types, 40.5% neither-types, and 19.0% evening-types.
- Evening-type patients exhibited higher obsessive-compulsive symptom severity in summer compared to morning-type patients (15.7 ± 5.2 vs 3.4 ± 6.0).
- Further research is needed to explore the circannual rhythms of tics and obsessive-compulsive symptoms over multiple years with larger sample sizes.
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