Anatomical and functional consequences of ageing 0.0 / 5 ? PsychologydaveUniversityAll boards Created by: ruby_wardenCreated on: 13-05-17 16:04 Svennerholm et al (1997) brain weight reduces around 5% per decade from 40 onwards 1 of 15 Peters (2006) greatest reduction in PFC 2 of 15 Erixon-Lindroth (2005) reduction in dopamine 3 of 15 Salthouse (1996) speed hypothesis - ageing is just the general slowing of processes 4 of 15 Park et al (2002) Decline in WM from age 20, but STM doesn't decline until 65+ - just a cohort effect? 5 of 15 Schaie (1996) methodological issues - cross sectional suggests gradual decline of abilities, longitudal suggests peak then decline 6 of 15 Wilson (2003) terminal decline around 4 years before death 7 of 15 Gazzaley et al (2005) perceptual processing and WM - remember face, ignore scene or other way round, older people perform same at remember, can't ignore 8 of 15 Cabeza et al (2002) PET scans show bilateral activation in WM task for high performing older people - HAROLD MODEL 9 of 15 Colcombe & Kramer (2003) meta analysis of 18 studies - improvement as a result of exercise across 4 test - particularly executive control 10 of 15 Lui-Ambrose et al (2008) exercise increased performance on stroop task and reduced number of falls - result of brain derived neurotrophic factor? CNS protein 11 of 15 Erikson et al (2009) higher aerobic fitness = larger hippocampal volume 12 of 15 Brehmer et al (2011) brain trained for 5 weeks, showed increase in cognitive task performance and BOLD reduction = efficiency? 13 of 15 anguira et al (2013) drive only, react to sign or multitasking - older adults who multitasked showed steady and longterm increase, as good as 20 year olds 14 of 15 anguira et al (2013) drive only, react to sign or multitasking - older adults who multitasked showed steady and longterm increase, as good as 20 year olds 15 of 15
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