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Cerebral Blood Flow, Electroencephalography, and Behavior

  • Chapter
Geriatrics 1

Abstract

During recent decades, an old desire of mankind seems to be fulfilled: that of becoming older and older. Progress in medical and social areas has increased the life expectancy of the population, at least in the highly developed countries. Epidemiological projections have revealed that about 12% of the population of the United States was 65 years and older in 1980 (National Center for Health Statistics 1975). While in 1974 in West Germany about 13% of the population was 65 years and older (Lauter 1974), this rate increased to about 16% by 1980 (Statistisches Bundesamt FRG 1981). Similar data were reported from the Soviet Union (Roubakine 1975). If these developments continue along with a declining birth rate, which will further increase relatively the number of aged people in the population, people aged 60 years and older will account for about 10% of the world’s population in the year 2000 (Technical Report of WHO 1972). The estimated number of inhabitants aged 65 years and older will be still 16% in West Germany by the year 2000 although the population will have decreased by 7% (Statistisches Bundesamt FRG 1981). According to Roth(1980), there will be 20% more people aged 75, and the number of 85-year-old people will have increased by 60% in Great Britain by 1986.

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Hoyer, S. (1982). Cerebral Blood Flow, Electroencephalography, and Behavior. In: Platt, D. (eds) Geriatrics 1. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-68214-8_9

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