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final-review 9

neuro1 aphasia

Aphasia: acquired neurological impairment of processing for receptive and/or expressive language. Result of brain injury, head trauma, CVA, tumor or infection.
Diagnosis of aphasia based on the site of lesion in the brain and the blood vessels involved. Patients with aphasia are classified based on observation of fluent or non-fluent aphasia.
Prognosis of aphasia dependent on the individual patient, location, and extent of the lesion.
characteristics associated with aphasia with a poor prognosis: perseveration of speech, severe auditory comprehension impairments, unreliable yes/no answers, and the use of empty speech without recognition of impairments.
Fluent Aphasia Common lesions: temporal and parietal lobes of the dominant hemisphere
fluent aphasia Word output and speech production: are functional
fluent aphasia Prosody is acceptable, but empty speech/jargon
fluent aphasia Speech: lacks any substance, use of paraphasias
Types of Fluent Aphasia: Conduction Aphasia, Wernicke's Aphasia
Wernicke's Aphasia Lesion: posterior region of superior temporal gyrus, Also known as “receptive aphasia”
Wernicke's Aphasia Comprehension (reading/auditory) is : impaired
Wernicke's Aphasia Good articulation, use of paraphasias
Wernicke's Aphasia Impaired writing
Wernicke's Aphasia Poor naming ability
Conduction Aphasia Lesion: supramarginal gyrus, arcuate fasciculus, Severe impairment with repetition
Conduction Aphasia , Intact fluency
Conduction Aphasia good comprehension
Conduction Aphasia Speech: interrupted by word-finding difficulties
Conduction Aphasia reading/ writing: Reading intact, writing impaired
Non-Fluent Aphasia Common lesions: frontal lobe of the dominant hemisphere. Poor word output and dysprosodic speech
Non-Fluent Aphasia dysprosodic speech
Non-Fluent Aphasia Poor articulation and increased effort for speech
Non-Fluent Aphasia Content: is present, but impaired syntactical words
Types of Non-Fluent Aphasia Broca's Aphasia Global Aphasia
Broca's Aphasia Lesion: 3rd convolution of frontal lobe
Broca's Aphasia Also known as “expressive aphasia”
Broca's Aphasia Most common form of aphasia
Broca's Aphasia Intact auditory and reading comprehension
Broca's Aphasia Impaired repetition and naming skills
Broca's Aphasia Frustration with language skill errors
Global Aphasia Lesion: frontal, temporal, parietal lobes
Global Aphasia Comprehension (reading/auditory) is severely impaired
Global Aphasia Impaired naming, writing, repetition skills
Global Aphasia May involuntarily verbalize; usually without correct context
Global Aphasia May use nonverbal skills for communication
Created by: micah10



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