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Robert Charles Bolles (April 24, 1928 – April 8, 1994) was an American psychologist and author who conducted work on experimental psychology.He developed the species-specific defense reaction theory which contends that many avoidance behaviors are actually elicited behaviors rather than operant behaviors.
"The first 1000-year-old is probably only ~10 years younger than the first 150-year-old."–Aubrey de Grey, 2005 [1]. In the life extension movement, longevity escape velocity (LEV), actuarial escape velocity [2] or biological escape velocity [3] is a hypothetical situation in which one's remaining life expectancy (not life expectancy at birth) is extended longer than the time that is passing.
The scalar timing or scalar expectancy theory (SET) is a model of the processes that govern behavior controlled by time. The model posits an internal clock, and particular memory and decision processes. [1] SET is one of the most important models of animal timing behavior. [2]
Life Extension Foundation Methuselah Foundation – non-profit organization dedicated to extending the healthy human lifespan by advancing tissue engineering and regenerative medicine therapies. It was co-founded in 2003 by Aubrey de Grey and David Gobel, and is based in Springfield, Virginia, United States.
The Lindy effect (also known as Lindy's law [1]) is a theorized phenomenon by which the future life expectancy of some non-perishable things, like a technology or an idea, is proportional to their current age. Thus, the Lindy effect proposes the longer a period something has survived to exist or be used in the present, the longer its remaining ...
Today, life expectancy in developing countries remains relatively low, as in many Sub-Saharan African nations where it typically doesn't exceed 60 years of age. [ 8 ] The second phase involves improved nutrition as a result of stable food production along with advances in medicine and the development of health care systems .
A study highlight the importance of extending healthspans, not just lifespans and especially as life expectancy rises and demographics shift. [151] Biological aging or the healthspan-lifespan gap (LHG) comes with a great cost burden to society, including potentially rising health care costs (also depending on types and costs of treatments ).
The reliability theory of aging is an attempt to apply the principles of reliability theory to create a mathematical model of senescence.The theory was published in Russian by Leonid A. Gavrilov and Natalia S. Gavrilova as Biologiia prodolzhitelʹnosti zhizni in 1986, and in English translation as The Biology of Life Span: A Quantitative Approach in 1991.