aphasia

1. Inability to use or understand language (spoken or written) because of a brain lesion (synset 114121056)
   is a type of: brain disease, brain disorder, encephalopathy - any disorder or disease of the brain
   subtypes:

   • acoustic aphasia, auditory aphasia, word deafness - an impairment in understanding spoken language that is not attributable to hearing loss
   • associative aphasia, conduction aphasia - aphasia in which the lesion is assumed to be in the association tracts connecting the various language centers in the brain; patient's have difficulty repeating a sentence just heard
   • global aphasia, total aphasia - loss of all ability to communicate
   • ataxic aphasia, broca's aphasia, expressive aphasia, motor aphasia, nonfluent aphasia - aphasia in which expression by speech or writing is severely impaired
   • amnesic aphasia, amnestic aphasia, anomia, anomic aphasia, nominal aphasia - inability to name objects or to recognize written or spoken names of objects
   • transcortical aphasia - a general term for aphasia that results from lesions outside of Broca's area or Wernicke's area of the cerebral cortex
   • alexia, visual aphasia, word blindness - inability to perceive written words
   • fluent aphasia, impressive aphasia, receptive aphasia, sensory aphasia, wernicke's aphasia - aphasia characterized by fluent but meaningless speech and severe impairment of the ability understand spoken or written words

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