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Chapter 7 Notes

by: Crysta Meekins

Chapter 7 Notes GRN 250

Crysta Meekins

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About this Document

everything from the chapter 7 reading guide
Aging in Today's World
Dr. Watkins
Class Notes
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This 2 page Class Notes was uploaded by Crysta Meekins on Thursday April 21, 2016. The Class Notes belongs to GRN 250 at University of Kentucky taught by Dr. Watkins in Spring 2016. Since its upload, it has received 11 views. For similar materials see Aging in Today's World in Human Development at University of Kentucky.

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Date Created: 04/21/16
Normative Changes   ● Weight loss (brain cell loss)  ● Deeper sulci, flattened gyri, enlarged ventricles  ● Loss of myelin on axon  ● Reduction in neurotransmitters/neuroreceptors  ● Accumulation of tangles and plaques    Intelligence  ● Fluid intelligence​: the capacity to process novel information  ­ Includes reasoning, spatial orientation, perceptual speed, verbal memory, numeric/verbal  ability.  ­ Generally NOT related to experience or learning.  ● Crystallized intelligence: ​information, skills, and strategies that people learn through  experience.  ­ Mostly vocabulary and knowledge (facts..)  ­ VERY related to experience and learning    Learning  ● The process of acquiring knowledge and skills  ●  Learning declines with age (because..)  ­ Neuron loss and..  ­ Short term memory  ­ Reduced plasticity  ­ Processing speed    ****Measure learning: digit symbol substitution test    Memory  ● The retention (storage) of information  Short­term  ● Benign senescent forgetfulness  ● Compensations   Long­term  ● Slower retrieval speed  ● False/inaccurate memories  ­ E.g., source memory­misattribution, confabulation    Pathological Changes    ● Dementias              Pathological decline in cognitive/mental function to a degree that interferes with  daily living  ­ Mostly caused by unusual changes at the neuron level­ chemical and/or physical  ­ Can result in impaired memory, intellect, judgement, and orientation, cognitive  functioning, personality shifts, etc., and may cause frustration, agitation, anxiety,  depression, delusions.    Types of Dementias  ● Cellular degeneration dement​alzheimer’s, Fronto­temporal [Picks], Lewy Body,  Parkinson’s​  ● Vascular dementia ​troke  ● Infection­related dementhigh fevers, AIDS, Syphil)   ● Drug­related dementia​ntipsychotics, antidepressants, pain­anxiety m​ s) ***reversible    Depression  ● Depressed mood  ● Loss of interest in things you once enjoyed  ● Change in appetite  ● Sleep disturbance  ● Fatigue  ● Feeling worthless and guilty  ● Problems thinking/concentrating  ● Psychomotor disturbances (restless, or decreased activity)  ● Suicidal thoughts for at least 2 weeks 


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