Abstract
The present study investigates whether spatial information is rehearsed by both eye and limb movements or only by eye movements when such information is visually encoded. Experiment 1 found that irrelevant eye movements interfered with spatial memory, but irrelevant limb movements did not. Experiment 2 examines the facilitative effects of eye and limb movements on spatial memory under conditions where the participants appropriately trace memorized dot movements with either their eyes or a limb during the retention interval. The results indicate that only relevant eye movements caused a statistically significant facilitation effect. The findings from the two experiments suggest that eye movement is involved in the rehearsal for spatial information that is visually encoded, but limb movement is not.
