Seasonal cyclothymia to seasonal bipolar affective disorder: a double switch after stroke | Zendy

Sujeet Kumar | Zendy; R. R. Jacobson | Zendy; K Sathananthan | Zendy

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Seasonal cyclothymia to seasonal bipolar affective disorder: a double switch after stroke

Author(s) -

Sujeet Kumar,

R. R. Jacobson,

K Sathananthan

Publication year - 1997

Publication title -

journal of neurology neurosurgery and psychiatry

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 3.391

H-Index - 206

eISSN - 1468-330X

pISSN - 0022-3050

DOI - 10.1136/jnnp.63.6.796

Subject(s) - bipolar disorder , lesion , etiology , stroke (engine) , atrophy , pathophysiology , psychology , right hemisphere , neuroscience , medicine , psychiatry , clinical psychology , cognition , pathology , cognitive psychology , mechanical engineering , engineering

The appearance of bipolar affective disorder after stroke depends on the presence of two factors: a predisposing factor of either genetic loading or subcortical atrophy, and a lesion of specific corticolimbic pathways involving the right hemisphere. Whether cyclothymia and seasonal affective disorder further predispose to poststroke affective disorder is not clear. A case is described which highlights these issues. The aetiological factors, pathophysiology, and diagnosis are discussed.

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