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  • Title: Hemispheric asymmetries of visual evoked potentials in relation to spatial frequency, handedness and familial left-handedness.
    Author: Rebaï M, Lannou J, Bernard C, Bonnet C, Rochetti G.
    Journal: Int J Psychophysiol; 1997 Feb; 25(2):85-95. PubMed ID: 9101334.
    Abstract:
    The effects of handedness and of familial left-handedness on the asymmetry of the cerebral hemispheres were investigated by means of visual evoked potentials. Square gratings of different spatial frequencies were presented, at 1 Hz in ON-OFF mode to 60 subjects: 30 right-handers and 30 left-handers, 15 with familial handedness and 15 without in each group. The results show that the patterns of hemispheric asymmetry differ in right- and left-handers. They also show that in left-handers these patterns depend on the presence or absence of familial left-handedness, whereas in right-handers the role of this genetic factor is less evident.
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