Patho- Aphasia Flashcards
What is aphasia?
Loss or defective language from damage to the speech centres within the left hemisphere
Where are the speech centres?
Left hemisphere
What are the two speech areas?
Broca’s area
Wernicke’s area
Where is Broca’s area located?
Inferior frontal gyrus
What does Broca’s area do?
Allow for expression of language.
What does damage to Broca’s area cause?
Broca’s/expressive aphasia
Describe Broca’s aphasia
Preserved comprehension but impaired ability to communicate it.
What are the symptoms of Broca’s aphasia?
Few and disjointed words. Difficulty initiating speech.
How to patients describe Broca’s aphasia?
Know what they want to say but can’t get the words out.
Where is Wernicke’s area located?
Superior temporal lobe
What does Wernicke’s area do?
Comprehends speech/language
What does damage to Wernicke’s area cause?
Wernicke’s/receptive aphasia
Describe Wernicke’s aphasia
Inability to comprehend language but can speak fluently.
What are the symptoms of Wernicke’s aphasia?
Inability to comprehend language or make cohesive sentences but fluency retained.
What is nominal aphasia?
Inability to name familiar objects
What is nominal aphasia a sign of?
All other aphasias
What is global/central aphasia?
Combination of Broca’s and Wernicke’s aphasia
Other than speech what else can global aphasia affect?
Reading and writing
What is dysarthria?
Slurred speech
How does dysarthria affect language?
Language intact but just slur
What can cause dysarthria?
Paralysis
Slowing/incoordination of phonation muscles
Give some examples of dysarthria
Gravelly speech of pseudobulbar palsy
Jerky, ataxic speech of cerebellar lesions
Monotone of Parkinson’s
