Handedness, Cerebral Lateralization, and Measures of “Latent Left-Handedness”

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Abstract
Two surveys were conducted to investigate the relationship between handedness and various variables that have been considered to be either more fundamental indices of an underlying laterality than handedness or have been proposed as moderating the relationship between handedness and cerebral lateralization. In the first survey (N = 686), sighting eye dominance was found to be related to handedness. In the second (N = 799), arm folding and leg crossing, but not hand clasping or spreading the fingers, were found to be related to handedness. Although these variables are correlated with handedness, they do not have the properties that would make them likely to improve prediction of cerebral lateralization.