Psychology_Notes_Exam_4

Psychology_Notes_Exam_4 - PSY 101 Notes Exam 4 11-16-06...

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Unformatted text preview: PSY 101 Notes Exam 4 11-16-06 Cognitive Development What happens in adulthood hilarious Growth of the 65+ populations Baby boom How long can people Live? Jean Calment took up fencing at 85, rode bike until 100, screen depute 114, and quit smoking at 118, only because she couldnt light her own stooges Average Life expectancy 1900 2000 46 73 49 80 Sensation & Perception Accommodation ability to focus image on retina Color Sensitivity ability to discriminate colors Dark Adaptation adjusting to sudden changes in illumination Visual Acuity ability to identify sensation and moving objects Hearing-Pitch and tune sensitivity = Presbycusis Cognition- pathological aging Alzheimers o Vascular Dymensia o William Utermohlen difficulty in reproducing his perception of his face- Normal Aging- Short Term Memory- Working Memory o Storage & Processing Reasoning Spatial Visualization- being able to mentally instate images (?) Research Designs Cross Sectional vs. Longitudinal - cross sectional people who are different in age, are compared at a sing point in time Cohort Effects- older adults do better than younger adults; younger adults dont have to do long had, we use calculators Indirect (distal) causes Mental Exercise? (Disuse hypothesis of aging) Use it or lose it The Nun Study 600+ nuns wrote autobiographies when entering convent Timothy A Salthouse Little significant evidence that mentally stimulation activities actually help mental brain cognitive abilities Physical Exercise? Pre-frontal lobes Executive tasks Exercise helps mental processes More Direct (proximal) causes What processes are affected? Cognition Speed of processing Inhibition Paradox of Cognitive Aging Compensation View idea that expertise offsets the effect of age on cognition Gain vs. Loses 11-21-06 Cognitive Development Paradox of Cognitive Aging- reasoning gets worse as people get older Not much evidence that performance does decline Cognitive Development in Adulthood Is there any good news? Compensation idea that expertise offsets the effect of age on cognition Crystallized stay stable or increases Fluid Decline steeply Salthouses typing exp Average WPM (words per minute) was the same, matched Young Group 25 years old Young Croup 70 years old Younger group was much faster at speeded tasks, unrelated typing Older group got around of fact of being slower, by looking farther ahead in what they were typing- how much a subject new about basball, affected how much they remembered- younger adults > older adults, neg affect w/ old age- Pos. effect of prior knowledge was much larger than the neg. affect of aging * Knowledge and Experience override neg. affects of old age * Summary What? Declines in Sensory and Perception Visual etc, taste, olfactory; mental reasoning speeded judgments, spatial Why? (know much less) life style factors Physical improves/helps, nerve imaging tech.Physical improves/helps, nerve imaging tech....
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Psychology_Notes_Exam_4 - PSY 101 Notes Exam 4 11-16-06...

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