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Show t o Right and Left-Mandtdntse. At first. It baa been contended, men used both arms Indifferently, and those who wheu fighting pushed the right , side forward had the advantage of I shielding their hearts and so lived to produce desceiidanta who Inherited ' tbelr tendencies. Be this as it may. ' .there ta no doubt that the two aides 1 of the brain have different functions. I and right or left handedness Is by no . means restricted to the arms alone. One Investigator waa very often able to recognise left handedness by the examination ex-amination of the left eye. The center ' of speech Is on the left side of the brain of a right handed person, and on the right side of that of a left haod-I haod-I ed person. Children show untntstak-able untntstak-able evidence of two speech centers, 1 though one atrophies owing to the preference given to one hand. Never-J Never-J theleaa, experiments show that It can 1 be successfully resuscitated Know!- r- |