Profiles in Cognitive Aging
After the age of 40, we may notice occasional lapses - a forgotten phone number, a friend's name, or a word that was right on the tip of our tongue. By 60, we may find ourselves wondering who called this morning, why we came into the kitchen, where we parked the car. In an aging nation, where one citizen in seven will be 65 when the next century arrives, these little difficulties raise a larger question: what precisely happens to our thinking as we grow older? What is normal, what is not, and how are we to know the signs? Douglas Powell offers a comprehensive account of cognitive aging of how our mental functions change as we mature. Defining patterns of normal decline, as well as severe forms of cognitive impairment, this book will help us understand and address the needs of an aging population.
Powell integrates the latest literature on aging with the findings of his recent study of 1,000 physicians and 600 other subjects ranging in age from 25 to 92. His work reveals patterns of cognitive aging throughout the life cycle, particularly the way in which variability among individuals outpaces the decline of overall ability. Tackling an issue of growing interest in the field of gerontology, he notes the effect of certain factors such as gender, diet, health, and physical and mental exercise on changes in cognitive functioning over time. Along with the criteria for mild cognitive impairment and normal cognitive aging, this book addresses the question of optimal cognitive aging, identifying its characteristics and searching out their implications for the maintenance of intellectual abilities in the post-retirement years.
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Understanding Cognitive Aging
MicroCog and the Volunteers
Psychometric Properties of MicroCog
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ability age group age-related Alzheimer's disease Analogies aptitude Assessment associated Clinical cognitive functioning cognitive impairment cognitive test compared criteria cutoff score decade decline Delayed Recall depression Developmental Psychology diagnosis doctors effect size elderly factor false negatives false positives females findings G. E. Smith gender differences Gerontology Inductive Reasoning intellectual functioning Journal K. W. Schaie large number Longitudinal Study lower males Math MD and Normal MD sample mean scores mental MicroCog Subtests MicroCog total score mild cognitive impairment mild dementia neurological neuropsychological tests normal cognitive aging Normal subjects Numbers Forward Numbers Reversed Object Match older individuals overall pattern percentage performance physical physicians population problem Psychological reasoning Reference Group reported retirement Salthouse screening Senile Dementia significant skills standard deviation statistical Stories Tictac tion Validation Study variability verbal memory visuospatial facility VO2 max volunteers WAIS-R Wechsler wisdom WMS-R women Wordlist younger