Limb apraxia and cognitive impairment in progressive supranuclear palsy

Paola Soliveri; Sylvie Piacentini; Floriano Girotti

doi:10.1080/13554790590962988

Limb apraxia and cognitive impairment in progressive supranuclear palsy

Paola Soliveri, Sylvie Piacentini, Floriano Girotti

Fondazione IRCCS Istituto Neurologico "C. Besta"

Research output: Contribution to journal › Article

Abstract

Limb apraxia occurs in progressive supranuclear palsy (PSP); however, its characteristics and relation to dementia are unclear. We compared 25 probable PSP patients on cognitive and ideomotor apraxia tests with 19 healthy controls. Eleven PSP patients were demented (D-PSP) and 14 not (ND-PSP). D-PSP patients did worse than controls and ND-PSP patients in all cognitive tests; and ND-PSP patients did worse than controls in all except the memory test. In the apraxia test, PSP patients committed mainly sequence errors and executed complex gestures badly. Apraxia correlated strongly with dementia. In PSP, limb apraxia seems mainly due to frontal deafferentation and lesions, but only when these are severe enough to cause dementia.

Original language	English
Pages (from-to)	263-267
Number of pages	5
Journal	Neurocase
Volume	11
Issue number	4
DOIs	https://doi.org/10.1080/13554790590962988
Publication status	Published - Aug 2005

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ASJC Scopus subject areas

Clinical Neurology
Neurology
Psychiatry and Mental health
Psychology(all)

Cite this

Soliveri, P., Piacentini, S., & Girotti, F. (2005). Limb apraxia and cognitive impairment in progressive supranuclear palsy. Neurocase, 11(4), 263-267. https://doi.org/10.1080/13554790590962988

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10.1080/13554790590962988