Misplacement of words, or use of wrong words, in speech as a result of a lesion in the speech region of the BRAIN.
n. a disorder of language in which unintended syllables, words, or phrases are interpolated in the patient’s speech. A severe degree of paraphasia results in speech that is a meaningless jumble of words and sounds, called jargon aphasia.
n. (in psychiatry) the invention of words that do not exist in one’s language. It is common in childhood, but when it occurs in an adult it may be a symptom of a psychotic illness, such as *schizophrenia. It should be distinguished from *paraphasia, in which new meanings are attached to ordinary words.... neologism
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