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J Neuropsychol. 2013 Mar;7(1):12-8. doi: 10.1111/j.1748-6653.2012.02031.x. Epub 2012 Apr 20.

Response interference between functional and structural object-related actions is increased in patients with ideomotor apraxia.

Author information

1
Moss Rehabilitation Research Institute, Elkins Park, PA 19027, USA. jaxs@einstein.edu

Abstract

We report data from two left hemisphere stroke patients with moderate-to-severe ideomotor apraxia who exhibited deficits in positioning their hands to use 'conflict' objects (objects grasped and used with different hand postures) relative to controls and patients with mild apraxia. These novel data support the claim that actions to common objects are subject to interference between multiple responses, and suggest that errors in apraxia may be attributed to deficient resolution of competition between appropriate and inappropriate actions.

PMID:
22515637
PMCID:
PMC4019205
DOI:
10.1111/j.1748-6653.2012.02031.x
[Indexed for MEDLINE]
Free PMC Article

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