Cognitive Changes In Adulthood

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Adult development throughout the cognitive changes in adulthood is influence by two kinds of intellectual resources which are fluid intelligence and crystallized intelligence. Research shows some abilities begin to decline early, many cognitive capacities seem to show improvements with age and show only small average declines after ages 55 to 60 (Broderick & Blewitt, 2015 pg 489). When discussing the cognitive change, longitudinal method is use to measure because it follows people over time (Broderick & Blewitt 2015; Ghisletta, 2012; Rabbitt, 2012; Lunn, 2012; Lindenberger, 2012).
Fluid intelligence described to process speed and inhibitory mechanism showing the decline. Fluid intelligence decreases because as you age and get older the brain

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