Ideational apraxia - PubMed (original) (raw)

Comparative Study

. 1988 Oct:111 ( Pt 5):1173-85.

doi: 10.1093/brain/111.5.1173.

Affiliations

Comparative Study

Ideational apraxia

E De Renzi et al. Brain. 1988 Oct.

Abstract

Ideational apraxia was investigated in 20 left brain-damaged patients with tests requiring the demonstration of how objects are used. On a multiple object use test the most frequent errors were those of omission, misuse and mislocation, while sequence errors were rare. Patients also failed on a single object use test, which showed a correlation of 0.85 with the multiple object use test. Neither of these tests was significantly correlated with an ideomotor apraxia test (imitation of movements). Ideational apraxia was frequently, but not exclusively, associated with damage to the left posterior temporoparietal junction. These findings support the view that ideational apraxia is an autonomous syndrome, linked to left hemisphere damage and pertaining to the area of semantic memory disorders rather than to that of defective motor control.

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