neuro1 aphasia
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Aphasia: | acquired neurological impairment of processing for receptive and/or expressive language. Result of brain injury, head trauma, CVA, tumor or infection.
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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.
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Prognosis of aphasia | dependent on the individual patient, location, and extent of the lesion.
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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.
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Fluent Aphasia Common lesions: | temporal and parietal lobes of the dominant hemisphere
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fluent aphasia Word output and speech production: | are functional
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fluent aphasia Prosody | is acceptable, but empty speech/jargon
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fluent aphasia Speech: | lacks any substance, use of paraphasias
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Types of Fluent Aphasia: | Conduction Aphasia, Wernicke's Aphasia
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Wernicke's Aphasia Lesion: | posterior region of superior temporal gyrus, Also known as “receptive aphasia”
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Wernicke's Aphasia Comprehension (reading/auditory) is : | impaired
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Wernicke's Aphasia | Good articulation, use of paraphasias
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Wernicke's Aphasia | Impaired writing
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Wernicke's Aphasia | Poor naming ability
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Conduction Aphasia Lesion: | supramarginal gyrus, arcuate fasciculus, Severe impairment with repetition
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Conduction Aphasia , | Intact fluency
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Conduction Aphasia | good comprehension
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Conduction Aphasia Speech: | interrupted by word-finding difficulties
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Conduction Aphasia reading/ writing: | Reading intact, writing impaired
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Non-Fluent Aphasia Common lesions: | frontal lobe of the dominant hemisphere. Poor word output and dysprosodic speech
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Non-Fluent Aphasia | dysprosodic speech
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Non-Fluent Aphasia | Poor articulation and increased effort for speech
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Non-Fluent Aphasia Content: | is present, but impaired syntactical words
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Types of Non-Fluent Aphasia | Broca's Aphasia Global Aphasia
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Broca's Aphasia Lesion: | 3rd convolution of frontal lobe
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Broca's Aphasia | Also known as “expressive aphasia”
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Broca's Aphasia | Most common form of aphasia
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Broca's Aphasia | Intact auditory and reading comprehension
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Broca's Aphasia | Impaired repetition and naming skills
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Broca's Aphasia | Frustration with language skill errors
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Global Aphasia Lesion: | frontal, temporal, parietal lobes
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Global Aphasia Comprehension (reading/auditory) | is severely impaired
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Global Aphasia | Impaired naming, writing, repetition skills
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Global Aphasia | May involuntarily verbalize; usually without correct context
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Global Aphasia | May use nonverbal skills for communication
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