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(5) Eye movement revealed the aging effect in the involvement of frontal lobe function
¡¡¡¡in performance of visuospatial memory task.
¡¡¡¡13th European Conference on Eye Movements, PA-179, 2005-8

We experimented a new developed computer tool for visuospatial sequential memory to 154 healthy adults and studied the involvement of frontal lobe function in performance by recording eye movements. In a new tool, the stimuli were presented with any order at each cell on the touch-panel display which was divided into 3-6, and subject was requested to recall the location and sequence order of those stimuli and to touch the cell according to his recall. ln results the elder performance was worse in the task which was apparently random, even though in the systematically stimuli task. The age related performance might be due to the decreasing not only of memory capacity but of certain frontal lobe functions. On this hypothesis, we recorded 4 subject's eye movements during task performance by EMR-8(NAC) and found delayed reaction time which indicated the difficulty of detecting regularity of the stimuli in the elder, while the young adults anticipated and began to move their eyes before stimuli.

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