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aphasia (stuttering glossary)

The partial or complete loss of the receptive and/or expressive use of language as a result of damage to the central nervous system. Persons suffering from expressive aphasia (e.g., nonfluent aphasia) frequently have problems maintaining speech fluency, but this is considered a fluency disorder which is different from stuttering. These patients frequently experience word finding and word retrieval problems and often compensate for this difficulty with word substitutions and circumlocutions.

Credit

Definition reprinted with permission from Hood, Stephen B. (editor) available from Stuttering Foundation of America: Stuttering Words (Publication No 2: Speech Foundation of America)