There is evidence of seasonality in bipolar affective disorder (BAD) and the preponderance of atypical symptoms in bipolar depressive episodes is also seen in winter type Seasonal Affective Disorder. Differences in seasonal symptoms between BAD and appropriate comparison populations have been scrutinised only in small studies.
- bipolar disorder
- seasonal affective disorder
Simonsen, H., Shand, A. J., Scott, N. W., & Eagles, J. M. (2011). Seasonal symptoms in bipolar and primary care patients. Journal of Affective Disorders, 132(1-2), 200-208. https://doi.org/10.1016/j.jad.2011.02.018