Lecture 20 Late life cognitive development 2011 student slides

Lecture 20 Late life cognitive development 2011 student slides

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Unformatted text preview: Later Life Cognitive Development Lecture 20 April 6, 2011 Outline • Demographics • Cognition – focus on memory • Memory changes with age • Video on memory • Video on Alzheimer’s disease • Wisdom • Retirement • When we retire • Funding retirement across the globe • Focus on U.S. system Demographics of Older Adults Life expectancy has dramatically increased § Our late life expectancy – the time we can expect to live after 65 – has increased to almost 20 years Birth rates are declining § We are putting fewer young people on the planet Result – older average population Percent of people 65 and older in US has risen § 1900 4.1% § currently 12.4% Two Old Stages The young-old are between 60 and 79 § Often in good health § Often live comfortably The old-old are over 79 years of age § Often poor health § Often poor § Often have old-age disabilities Life Expectancy and the Lifespan Life span – the upper boundary of life - ~105 for humans Average life expectancy – a person’s 50/50 chance at birth of living to a given age Gender and racial differences § Women tend to live longer. Life expectancy is currently 80 for women and 74 for men § Life expectancy for African-Americans (70 yrs) is shorter than for Whites. § Around age 85, a life expectancy crossover occurs, in that surviving African-American live slightly longer than surviving White Americans Later Life: Memory Expectations § Low expectations create low self-efficacy in the old Ø Self-fulfilling prophecies § The elderly do perform more poorly on some tests Ø As memory tasks get more difficult the old do poorly Ø Time sensitive testing produces poor results Ø Divided attention tasks are difficult for the old Ø But this isn’t just for the old – starts in 20s Forms of Memory Working memory (the limited capacity gateway system, containing all the material that we can keep in awareness at a single time. It also allows material to be manipulated) • Working memory space declines...
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This note was uploaded on 02/13/2012 for the course PSYCH 250 taught by Professor Ward during the Winter '08 term at University of Michigan.

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Lecture 20 Late life cognitive development 2011 student slides

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