Strauss E, Wada J, Kosaka B
Cortex. 1984 Mar;20(1):143-7. doi: 10.1016/s0010-9452(84)80031-3.
Levy and Reid's claim (1976, 1978) that writing hand/posture is predictive of cerebral dominance was examined in patients who had undergone bilateral sodium Amytal speech testing. Contrary to their prediction, inverted writers showed the same pattern of speech representation as did straight writers.