phonemic paraphasia
Pronunciation: foh-NEE-mik pair-ah-FAY-zee-ah
A type of speech error involving substitution of incorrect sounds or syllables within words due to language processing dysfunction.
Full Definition
Phonemic paraphasia is a specific type of speech error characterized by the substitution, addition, or omission of sounds (phonemes) within words, resulting in unintended word productions that may or may not be real words. This phenomenon is commonly seen in aphasia following left hemisphere brain damage, particularly in Broca's and conduction aphasia. Unlike semantic paraphasia (word substitutions), phonemic paraphasia affects the sound structure of words while the intended meaning often remains discernible. Speech-language pathologists carefully document these errors to understand the nature and severity of language impairment. Examples include saying 'spoon' instead of 'spook' or 'table' instead of 'cable.' Medical editors should distinguish this from other speech errors and understand its diagnostic significance in language assessment. The pattern and frequency of phonemic paraphasias help localize brain lesions and guide treatment planning.
Usage
Usage note: Specific type of language error; important for aphasia classification and treatment planning.
In Context
- "The patient demonstrated frequent phonemic paraphasias, producing 'toffee' when attempting to say 'coffee.'" — Speech-language pathology assessment
- "Phonemic paraphasias were more prominent in repetition tasks than spontaneous speech." — Aphasia evaluation report