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motor aphasia meaning

Synonyms of "motor aphasia""motor aphasia" in a sentence
MeaningMobile
  • Noun: motor aphasia
    1. Aphasia in which expression by speech or writing is severely impaired
      - Broca's aphasia, ataxic aphasia, expressive aphasia, nonfluent aphasia

    Derived forms: motor aphasias

    Type of: alogia, aphasia

    Encyclopedia: Motor aphasia


  • [Medicine]
    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's area and adjacent cortical and white matter regions). The deficits range from almost complete muteness to a reduction in the fluency and rate of speech. CEREBROVASCULAR ACCIDENTS (in particular INFARCTION,MIDDLE CEREBRAL ARTERY) are a relatively common cause of this condition. (From Adams et al.,Principles of Neurology,6th ed,pp478-9)n : the inability to speak or to organize the muscular movements of speech —called also aphemia, Broca's aphasia
Examples
  • Language rehabilitation exercise for motor aphasia patients after stroke
  • Transcortical motor aphasia
  • The patient was thought to have a transcortical motor aphasia with a right central seventh nerve palsy
  • Transcortical aphasias include transcortical motor aphasia, transcortical sensory aphasia, and mixed transcortical aphasia.
  • Patients with transcortical motor aphasia typically have intact comprehension and awareness of their errors, but poor word finding and speech production.
  • If verbal fluency is depressed transcortical aphasia gets ruled out and if auditory processing and comprehension is weak then it cannot be transcortical motor aphasia.
  • TSA should not be confused with transcortical motor aphasia ( TMA ), which is characterized by nonfluent speech output, with good comprehension and repetition.
  • In his analysis on the origin of motor aphasia, he proposed an hypothesis that opposed the views espoused by Pierre Marie ( 1853-1940 ).
  • Contralateral gaze preference with or without transcortical motor aphasia may present in instances where the " left " hemisphere is affected in this type of occlusion.
  • Recent classification schemes adopting this approach, such as the " Boston-Neoclassical Model ", also group these classical aphasia subtypes into two larger classes : the nonfluent aphasias ( which encompasses Broca's aphasia and transcortical motor aphasia ) and the fluent aphasias ( which encompasses Wernicke's aphasia, conduction aphasia and transcortical sensory aphasia ).
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