November 28, 1896


JAMA. 1896;XXVII(22):1162-1163. doi:10.1001/jama.1896.02431000038007

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The seat of language, or rather of ordinary motor speech, has generally been held to be in Broca's convolution or the foot of the third frontal, and the lesion of aphasic disorder of the motor type has been considered as there located, at least in right-handed subjects. The expression of and communication of ideas is, however, not strictly confined to speech, and we have therefore among the different species of aphasia an amimia, or lack of capability of expression by signs, and agraphia or inability to do the same by writing. This last has been called by Charcot " aphasia of the hand," a term that has a certain appropriateness, but which lacks the essential element of aphasia in that writing is an indirect and accessory method of the conveyance of ideas, not the important and primary one. The real and only aphasia of the hand properly so-called, as Professor Grasset says

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