Distal-proximal differences in limb apraxia in corticobasal degeneration but not progressive supranuclear palsy

P. Soliveri, S. Piacentini, D. Paridi, D. Testa, F. Carella, F. Girotti

Research output: Contribution to journalArticle

13 Citations (Scopus)

Abstract

Limb apraxia is an important diagnostic sign of cortico-basal degeneration (CBD), although it is also found in progressive supranuclear palsy (PSP). We investigated whether the severity of apraxia differed between proximal and distal arm movements in the two diseases, as suggested by their differing patterns of motor impairment. We studied 24 CBD patients, 25 PSP patients, and 19 healthy controls using a battery of cognitive tests and an ideomotor apraxia test that examined imitation of hand and of whole arm gestures separately. CBD and PSP patients did not differ in general characteristics or disability and were similarly impaired in cognitive performance. Within-group differences between distal and proximal gesture scores were significant only for CBD patients (p=0.007), in whom distal movements were more compromised. This finding suggests the presence of limb kinetic apraxia in CBD, perhaps in association with ideomotor apraxia.

Original languageEnglish
Pages (from-to)213-214
Number of pages2
JournalNeurological Sciences
Volume24
Issue number3
DOIs
Publication statusPublished - Oct 2003

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Progressive Supranuclear Palsy
Apraxias
Ideomotor Apraxia
Extremities
Gestures
Arm
Hand

ASJC Scopus subject areas

  • Neuroscience(all)
  • Clinical Neurology

Cite this

Distal-proximal differences in limb apraxia in corticobasal degeneration but not progressive supranuclear palsy. / Soliveri, P.; Piacentini, S.; Paridi, D.; Testa, D.; Carella, F.; Girotti, F.

In: Neurological Sciences, Vol. 24, No. 3, 10.2003, p. 213-214.

Research output: Contribution to journalArticle

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