Why do people age differently? Research in the field of gerontology has indicated that there are large individual differences in personality, cognitive functioning, physical health, and psychological well-being, as well as in the quality of life in the later years. It is this variability and the reasons why people age differently that this book explores. Thoughtfully written, Aging presents an overview of what is known about genetic and environmental influences on aging. Beginning with an overview of family, adoption, and twin designs, author Cindy S. Bergeman examines such topics as the research in the area of longevity and health, cognitive functioning, personality, and psychopathology; and social support, life events, and measures of the family environment. The book concludes with a summary of the field of gerontological behavioral genetics. This book will stimulate discussion and future work about the origins of individual differences in later life and will be invaluable to professionals and practitioners in the fields of developmental psychology, psychology, aging, family studies, and nursing.

Human Behavioral Genetics and Aging

Human behavioral genetics and aging

The majority of behavioral genetic studies have focused on children and young adults, and little is known about the etiology of individual differences during the second half of the life span. Ten years ago, only one study specifically designed to address issues of genetic and environmental influences on biobehavioral aging had been reported. Although there has been a growth in the number of behavioral genetic studies of aging since that time, there still remain more questions than answers. A review of the results of research in gerontological behavioral genetics indicates the need to consider both genetic and environmental sources of individual differences in the aging process. The purpose of Chapter 5 is to overview the results ...

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