Brodie E E, 1989, "Manual asymmetry in weight discrimination: hand or spatial-field advantage?" Perception 18(3) 397 – 402
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Manual asymmetry in weight discrimination: hand or spatial-field advantage?
Eric E Brodie
Received 19 August 1987, in revised form 29 March 1989
Abstract. Sixty subjects who were either left-handed or right-handed performed one-handed weight discrimination using their left and right hands in the left and right spatial fields. Differential thresholds, for the left and right hands of both left-handed and right-handed subjects, were found to be lower in the spatial field contralateral to the ear which proved superior in a dichotic listening test. It is concluded that manual asymmetry for weight discrimination results primarily from the mapping of sensorimotor events in the spatial fields onto contralateral cerebral cortex, with an advantage in the spatial field contralateral to the nonlanguage cerebral hemisphere.
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