Article Text
Short report
Short report
Yawning in acute anterior circulation stroke
Abstract
Pathological yawning can be a clinical sign in disorders affecting the brainstem. Here we describe seven patients with pathological yawning caused by acute middle cerebral artery stroke, indicating that pathological yawning also occurs in supratentorial stroke. We hypothesise that excessive yawning is a consequence of lesions in cortical or subcortical areas, which physiologically control diencephalic yawning centres.
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Footnotes
Competing interests: None.
- Abbreviations:
- BA
- Brodman area
- MCA
- middle cerebral artery
- NIHSS
- National Institutes of Health Stroke Scale
- PVN
- paraventricular nucleus
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2007 BMJ Publishing Group Ltd