paragraphia

noun Psychiatry.

1. a disorder marked by the writing of words or letters other than those intended, or the loss of the ability to express ideas in writing, usually caused by a brain lesion.

noun

1. psychiatry the habitual writing of a different word or letter from the one intended, often the result of a mental disorder or brain injury

n.

1. The loss of the ability to write from dictation, although the words are understood.
2. Writing one word when another is intended.