Aphasia, Broca

**Definition:** An aphasia characterized by impairment of expressive LANGUAGE (speech, writing, signs) and relative preservation of receptive language abilities (i.e., comprehension). This condition is caused by lesions of the motor association cortex in the FRONTAL LOBE (BROCA AREA and adjacent cortical and white matter regions).

**Tree numbers:** - C10.597.606.150.500.800.100.100 - C23.888.592.604.150.500.800.100.100

**Synonyms:** - Agrammatism - Aphasia, Frontocortical - Aphasia, Motor - Aphasia, Nonfluent - Broca Aphasia - Dysphasia, Broca - Dysphasia, Broca's - Verbal Aphasia Syndrome - Agrammatic Broca's Aphasia - Agrammatic Broca Aphasia