SENSORY AND PERCEPTUAL FUNCTIONS IN THE CEREBRAL PALSIED

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Abstract
Pressure thresholds and 2-point limens were measured on the index finger and palm of the preferred hand in a group of 120 cerebral palsied [CP] (60 spastics, 60 athetoids) and 60 non-neurologically impaired subjects ranging in age from 7 to 21. Results indicate the presence of somato-sensory defects, quantitatively defined, in the CP groups. Forty-eight % showed one or more such sensory deficits. The group means did not dis-crinimate between spastics and athetoids. Both CP groups'' thresholds were significantly higher than those of the control group on pressure-palm and 2-point discrimination but not on pressure-finger. Correlations indicate an apparent dissociation between pressure and 2-point thresholds in the CP groups, suggesting that these 2 tests are tapping substantially independent functions. Contingency tests indicate that the presence of one somatosensory deficit increases the likelihood of a 2nd.

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