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24 Terms

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developmental influences
- normative age-graded influences
- normative history-graded influences
- non-normative life events
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theoretical models of aging
- selective optimization with compensation model of aging (gains and losses)
- ecological model of aging (interaction between person and environment results in adaptation)
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metatheoretical approaches to the study of aging
- mechanistic metamodel (nurture)
- organismic metamodel (nature)
- contextual metamodel (nature and nurture)
- life-span developmental perspective
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factors in developmental research
- chronological age
- cohort
- time of measurement
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developmental research designs
- cross-sectional
- longitudinal
- time-lag
- sequential
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measurement
- reliability (dependable?)
- validity (correct?)
- sampling
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approaches to conducting aging research
- experimental
- quasi-experimental
- descriptive
- multifactor
- meta-analytic (synthesizes summary statistics from variety of studies)
- mega-analytic (combines raw data from multiple studies with identical measures)
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programmed theories of biological aging
- time clock theory (life span determined by genetic blueprint)
- immune theory (immune system programmed to maintain efficiency for limited time then decline)
- evolutionary theory (members of society are programmed to live long enough to birth and raise children)
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stochastic theories of biological aging
- error theory (error occurs at cellular level, production of faulty molecules)
- wear and tear theory (begin life with fixed amount of energy, expend energy earlier = aging begins early)
- stress theory (longer for regulatory systems to return to normal level from stress, prolonged exposure to stress hormones)
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magnetic resonance imaging (MRI)
provides an image of people's brains with structural and functional information
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scaffolding theory of aging and cognition
- throughout life, the brain adapts to neural challenges by building alternative neural circuitry, or scaffolds
- scaffolds can offset age-related decline in functioning
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cognitive reserve
notion of cognitive reserve arises from a number of findings showing that some individuals have certain symptoms in their brain that are like those with Alzheimer's but don't show any of the cognitive declines associated with A.D.
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spearman's g
general ability that relates to intelligence
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thurstone's primary mental abilities
- verbal meaning
- number (arithmetic)
- word fluency
- inductive reasoning
- spatial orientation
- memory
- perceptual speed
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gardner's eight intelligences
- linguistic intelligence
- logical-mathematical intelligence
- spatial intelligence
- musical intelligence
- bodily-kinesthetics intelligence
- interpersonal intelligence
- intrapersonal intelligence
- naturalistic intelligence
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categories of intelligence
- fluid intelligence ("raw" intelligence, numerical reasoning, logic)
- crystallized intelligence (function of education, experience, culture, verbal abilities)
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dual-process model of intelligence
- mechanics of intelligence (perceptual processing, categorizing information, memory)
- pragmatics of intelligence (factual and procedural knowledge)
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what does fluid intelligence depend on?
- working memory
- long term memory
- speed of processing
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wechsler adult intelligence scale (WAIS-R)
verbal subtests:
- vocabulary
- information
- comprehension
- similarities
- arithmetic
- digit span
performance tests:
- picture completion
- digit symbol
- block design
- picture arrangement
- object assembly
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perspectives in the study of intelligence
- phase 1: mapping an inevitable age-related decline in intelligence
- phase 2: identifying the components of intelligence that remain stable and those that decline
- phase 3: focus on intraindividual variability
- phase 4: interest in new ways to define and measure intelligence
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flynn effect
refers to the fact that a sample of 60-year-olds today will score higher than a sample of 60-year-olds who took the same test in 1990
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classic aging pattern
- verbal abilities remain stable with age
- nonverbal abilities decline with age
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mental activity and intellectual functioning hypotheses
- disuse hypothesis of cognitive aging: skills and abilities get rusty when not used on a regular basis
- engagement hypothesis: novel and challenging tasks and mental exercises prevent decline in intellectual functioning
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encapsulation model
with increasing age, knowledge becomes more channeled within specific domains