BIO 12 Lecture Notes - Lecture 6: Brain Injury, Cerebral Cortex, Aphasia
14 Sep 2020
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Document Summary
A degenerative disorder of the cerebral cortex resulting from microscopic plaques. Characterized by impaired intellect and progressive loss of ability to perform. Remote memory may remain intact for a long period of time. Anomia inability to remember names of things. Apraxia misuse of objects because of failure to identify them. Agnosia inability to recognize familiar objects, tastes, sounds and other sensations. Aphasia inability to express oneself through speech. Confabulation - filling in memory gaps to maintain self-esteem. Sundown syndrome increase disorientation and confusion in the late afternoon or early evening. Perseveration phenomenon - repetitive behaviors including pacing and echoing other words. Observe for gestures, tone, and facial expression. Agnosia and anomia - inability to recognize and name objects. Remove throw rugs, toxic substances and dangerous electrical appliances. Provide exercise such as walking with an escort. Provide activities that distract and occupy time such as listening to music, coloring and watching television. Provide mental stimulation with simple games or activities.
