Total dream loss: a distinct neuropsychological dysfunction after bilateral PCA stroke.
The term Charcot-Wilbrand syndrome (CWS) denotes dream loss following focal brain damage. We report the first case of CWS, in whom neuropsychological functions, extension of the underlying lesion, and sleep architecture changes were assessed. A 73-year-old woman reported a total dream loss after acute, bilateral occipital artery infarction (including the right inferior lingual gyrus), which lasted for over 3 months. In the absence of sleep-wake complaints and (other) neuropsychological deficits, polysomnography demonstrated an essentially normal sleep architecture with preservation of REM sleep. Dreaming was denied also after repeated awakenings from REM sleep. This observation suggests that CWS (1) can represent a distinct and isolated neuropsychological manifestation of deep occipital lobe damage, and (2) may occur in the absence of detectable REM sleep abnormalities.[1]References
- Total dream loss: a distinct neuropsychological dysfunction after bilateral PCA stroke. Bischof, M., Bassetti, C.L. Ann. Neurol. (2004) [Pubmed]
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