DIAG 2740 Chapter 19 Outline

DIAG 2740 Chapter 19 Outline - Evaluating Frontal Lobe...

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Chapter 19 Hemisphere Comparison Domiant (Left) NonDominant (Right) Language Prosody Arithmetic calculation Arithmetic lining up columns Technical musical skill Music appreciation Following written directions Using one’s sense of direction Language in Dominant Hemisphere Wernicke’s area Broca’s area Arcuate fasciculus j Aphasia Broca’s Aphasia Wernicke’s Aphasia
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Global aphasia - Conduction aphasia- Alexia and Agraphia Impairments in reading and writing Often part of aphasia syndrome Apraxia Nondominant Hemisphere Attention Hemineglect
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Frontal Lobe Function Restraint- of inappropriate activities Initiative- motivation for activities Order- setting the plan to accomplish multiple tasks Working memory (RAM) Plays role in learning new material Tasks that require shifting cognition sets Frontal Lobe Disorders Patients may be apathetic, lifeless, abulic Other lesions lead to impulsive, disinhibited behavior, and poor judgement
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Unformatted text preview: Evaluating Frontal Lobe Dysfunction History is key Look for abulia: Look for uninhibited behaviors Incontinence (without concern) Frontal release signs: Visual Association Cortex 2 paths dorsal and ventral Disorders of Visual Processing Cortical blindness- bilateral lesion of primary visual cortex Comes from conceptual neglect Occipitotemporal cortex lesion Prosognosia- inability to recognize faces Can identify people by voice or clothing or mannerism Auditory Hallucinations Dementia Alzheimer’s Disease Pathophysiology Cerebral atrophy Neurofibril tangles Neuritic (amyloid) plaques Areas effected: Clinically: Patients will progress to: Abulia Gait impairment incontinence End stage Treatment and direction of cure Looking at antioxidants: vitamin E, omega-3 fatty acids Also cholinesterase inhibitors Both can prolong time before total dementia sets in...
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This note was uploaded on 11/23/2011 for the course DIAG 2740 taught by Professor Markamos during the Winter '11 term at Life Chiropractic College West.

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DIAG 2740 Chapter 19 Outline - Evaluating Frontal Lobe...

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