aphasia Flashcards
what is aphasia
loss or defective language from damage to speech centres within the dominant hemisphere (usually left)
failure to construct sentences disjointed words reduced fluency preserved comprehension "know what they want to say but cant get the words out"
broca’s aphasia
also called expressive or anterior aphasia
where is damage in broca’s aphasia
dominant hemisphere frontal lobe
muddled words
insertion of incorrect/made up words into speech
incomprehension of other’s speech
‘like a foreign language’
Wernicke’s aphasia (also called receptive, posterior aphasia)
where is damage in Wernicke’s aphasia
dominant hemisphere
superior temporal gyrus
difficulty in naming objects
nominal/anomic/amnestic aphasia
combination of broca’s and Wernicke’s aphasia
loss of language production and understanding
global/central aphasia
cause of global aphasia
severe left hemisphere infarct
what is dysarthia
disordered articulation
slurred speech
language is intact
causes of dysarthia
paralysis, slowing or inco-ordination of muscles or articulation
gravelly speech (‘Donald duck voice’)
pseudobulbar palsy
jerky ataxic speech
cerebellar lesions
monotone speck
Parkinson’s
fatigued speech
myasthenia gravis