PSYCH 3AG3 Lecture 13: 3AG3-FEB 14
26 Feb 2017
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Document Summary
People, at any given age, operate withing a range of cognitive functioning: level achieved depends on various individual difference factors. As we age, upper limits of performance change: how can we keep people at the upper limit. Upper limit and lower limit are shifting downwards over age. Even at the oldest, you can still be above the functional threshold, depending on. Size of range is increased where you are in the range different individual performance trajectories. Enrichment hypothesis can (cid:498)boost(cid:499) your performance and change your trajectory. Chronic disease: some are known to be associated with declines in cognitive functioning, obesity, cardiovascular disease, vitamin b12 deficiency, thyroid disease, depression. Improving these conditions (ex. exercising) can help with cognitive deficits. Compromised vision and hearing: berlin study of aging. Control for sensory losses declines are still there but shallower. Work in tandem with environment (about 50/50: plomin (1990) meta-analysis.
