Paragraphia is a condition which results in the use of unintended letters or phonemes, words or syllables when writing. This is typically an acquired disorder derived from brain damage and it results in a diminished ability to effectively use written expression.
Paragraphias can be classified as function of the type of writing errors: literal paragraphias, graphemic paragraphias and morphemic paragraphias.

written language production an abnormal number of times. Perseveration, paragraphia and echographia are examples of reiterative agraphia. Visuospatial agraphia
Dyslexia Paralexia Written language Agraphia Dysgraphia, graphorrhea Paragraphia Spoken language Alalia Dyslalia, coprolalia, echolalia, glossolalia Palilalia