A pioneer of neurological research in the 20th century, Henri Hécaen was a Breton psychiatrist passionate about the study of left-handers. After having swept away old smoky theories which advanced that the proportion of left-handed people, among “arrears”, was higher than that present in the “normal population”, he explained, in a book published in 1984 (the magical year of John McEnroe), that “the left-handed person can benefit from the fact that the motor command is directly related to the right hemispherical structures underlying the apprehension of spatial configurations, and thus benefit from a temporal gain corresponding to the transfer time of information by the corpus callosum. »
