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When a subject, seated and facing ahead, was asked to look toward one side, the result was a combined movement of the eyes and head. Normal subjects began the eye movement just before the onset of head movement; 4 neurologic patients who showed abnormalities in eye movements (saccades that tended to be smaller in amplitude and lower in velocity than those(More)
Fifteen mentally retarded children were tested and compared to 10 normal school children. They were administered a battery of tests reflecting organic brain disease, consisting of the Face-Hand, Midline Crossing and Independent Eye Movements Tests. Normals performed correctly 98% of the time on the three combined tests, while the mentally retarded scored(More)
Eye and head movements of ten mentally retarded (MR) children and ten normal school children were recorded. Each was directed to look to one side or the other in response to verbal commands, to gestural directions, or to the appearance of illuminated fixation targets. Under these conditions: 1. Large gaze movements of MR subjects were accompanied by head(More)
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