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Memory for frequently encountered road signs was investigated. In Experiment 1, the average level of recall of road sign features was found to be only 47%. In Experiment 2, more left-handed than right-handed people recalled that a walking figure faces right on one sign, whereas more right-handed than left-handed people recalled that a digging figure faces left on another sign. Performance thus reflected not a difference in level of mnemonic ability between left-handed and right-handed groups but instead the compatibility between group and task. In Experiment 3, participants were asked to draw any figure walking and any figure digging, with a pattern of results similar to that of Experiment 2. It is suggested that handedness effects in recall are mediated by motor imagery.


Journal article


Mem Cognit

Publication Date





193 - 200


Adolescent, Adult, Automobile Driving, Female, Functional Laterality, Generalization (Psychology), Humans, Imagination, Male, Mental Recall, Orientation, Pattern Recognition, Visual, Psychomotor Performance