[mod.L., f. Gr. ἀ priv. + φήμη voice, speech, fame; but Gr. ἄφημος, = ‘not famed, unknown.’] Loss of power of articulation, as a result of cerebral affection; spec. a form of APHASIA, in which words are understood and conceived but cannot be uttered.

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1864.  Jrnl. Ment. Sc., X. 260. The seat of morbid change in aphemia is the third frontal convolution.

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1878.  A. M. Hamilton, Nerv. Dis., 163. Broca [c. 1861] denominated the condition ‘aphemia.

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