aphasia /apha·sia/ (ah-fa´zhah) defect or loss of the power of expression by speech, writing, or signs, or of comprehending spoken or written language, due to injury or disease of the brain centers. See also agrammatism, dysphasia, and paraphasia. apha´sic
expressive aphasia.
amnesic aphasia , amnestic aphasia defective recall of specific names of objects or other words, with intact abilities of comprehension and repetition.
anomic aphasia that in which recall of names is faulty.
auditory aphasia a form of receptive aphasia in which sounds are heard but convey no meaning to the mind, due to disease of the auditory center of the brain.
Broca's aphasia motor a.
conduction aphasia aphasia believed to be due to a lesion of the path between sensory and motor speech centers; spoken language is comprehended normally but words cannot be repeated correctly.
expressive aphasia motor a.
fluent aphasia a type of receptive aphasia in which speech is well articulated and grammatically correct but is lacking in content.
global aphasia total aphasia involving all the functions which go to make up speech or communication.
jargon aphasia that with utterance of meaningless phrases, either neologisms or incoherently arranged known words.
mixed aphasia global a.
motor aphasia Broca's or nonfluent aphasia; that in which the ability to speak and write is impaired, due to a lesion in the insula and surrounding operculum.
nominal aphasia anomic a.
nonfluent aphasia motor a.
receptive aphasia inability to understand written, spoken, or tactile speech symbols, due to disease of the auditory and visual word centers.
sensory aphasia receptive a.
total aphasia global a.
visual aphasia alexia.
Wernicke's aphasia receptive a.
ex·pres·sive aphasia ( k-spr s v)n. See motor aphasia. |
expressive aphasia.
See motor aphasia.
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