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Visuospatial deficits in stroke patients and their relationship to dressing performance.

Three visuospatial tests (figure-ground, design copy and block design) were used to measure the visuospatial ability of stroke patients. The relationship between the visuospatial deficits and the potential of dressing performance was explored. In addition, age, sex, educational level, and recovery status were also analyzed to determine their influence on subjects' performance. A total of 30 stroke patients including 16 right hemiplegics and 14 left hemiplegics participated in this study. Twenty-five normal subjects were selected as a control group. Control subjects were comparable to the patient group with respect to age, ex, and educational level. The results are as follows: (1) The impairment of visuospatial ability was found in stroke patients and the visuospatial dysfunction was more prominent in the left hemiplegics. (2) Visuospatial deficits contributed to the failure of dressing performance, especially in the left hemiplegics. (3) The decline in visuospatial ability was more prominent in the left hemiplegics of older age. (4) Sex, educational level, and recovery status of the affected upper extremity did not affect the performance of visuospatial tests of dressing performance. (5) The patient's score on each visuospatial test is a significant predictor of dressing performance in the left hemiplegics, while in the right hemiplegics, the prediction of dressing performance is dependent on the total scores of three visuospatial tests. The findings of this study suggest that simple clinical tests can be used to predict the patient's potential of acquiring the dressing skill after stroke. It also indicates the importance of developing an effective treatment program aimed at compensating visuospatial deficits for stroke patients.