Article,

Startle reflex habituation in children with cerebral palsy.

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Percept Mot Skills, 48 (3 Pt 2): 1135--1139 (June 1979)

Abstract

Two groups of children (9 with cerebral palsy and 10 normals, matched for sex and age) participated in a study of the startle reflex. Each child was instructed to press a button as soon as possible after the onset of a visual stimulus on a box on the table at which they were seated. During some of the trials, a sudden and intense auditory stimulus (85 dB) was presented concomitantly with the onset of the visual stimulus, and effects on reaction time recorded. Mean reaction time of normal children was significantly faster than that of the group with cerebral palsy. The magnitude of disruption associated with the first startle stimulus presentation was signicantly greater for cerebral palsied children. The course between groups of habituation to the startle stimuli was not significantly different. Data support the hypothesis that startle reflexes of children with cerebral palsy are more marked than are those of normal children.

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