agraphia

[G. apriv. -tgrapho, I write.] Lo of the power of writing, due either to muscular incoordination (motor a.) or to an inability to phrase thought {cerebral or mental a.). Acoustic u. is acquired inability to write from dictation, optic u., to copy. In a mnemonic a. letters and words can be written, but not connected sentences; in verbal a. single letters can be written, but not words; in absolute, atactic, or Kteral a. not even imcoxmected letters can be ritten. Musical a. is the lo of power to write musical notation.