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Asymmetrical alien hands in corticobasal degeneration

✍ Scribed by David B. FitzGerald; Valeria Drago; Yong Jeong; Yu-Ling Chang; Keith D. White; Kenneth M. Heilman


Publisher
John Wiley and Sons
Year
2007
Tongue
English
Weight
92 KB
Volume
22
Category
Article
ISSN
0885-3185

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✦ Synopsis


Abstract

There are several forms of alien limb, but alien limb in corticobasal degeneration (CBD) is not well understood. We studied a patient with CBD who demonstrated two different types of alien limb. With his right hand he demonstrated a tactile avoidance response with levitation. With his left hand, he demonstrated continuous tactile pursuit of the examiner's hand (β€œtactile mitgehen”). Mitgehen is often associated with frontal dysfunction, but avoidance response and levitation are often associated with parietal dysfunction. Β© 2006 Movement Disorder Society


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