Development of real-time analyzer of head, binocular eye and hand movement

To clarify the processing mechanism of the parietal association cortex, a new head, binocular eye and hand movement analyzer was developed and examples of their movement toward a 50-degree target were shown. As a result, it was suggested that the accuracy of gaze direction as well as that of intersection of both lines of sight depended on the existence of pointing. Spatial information such as eye, head and hand movements are controlled totally in the parietal association cortex in the cerebrum. It suggests that the accuracy of spatial perception changes according to differences in information from the sensory organs