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In humans, ageing represents the accumulation of changes in a human being over time and can encompass physical, psychological, and social changes. [3] [4] Reaction time, for example, may slow with age, while memories and general knowledge typically increase.
There has yet to be a distinct link between the two because it is hard to determine exactly how each aspect of aging effects the memory and aging process. However, it is known that the brain shrinks with age due to the expansion of ventricles causing there to be little room in the head. Unfortunately, it is hard to provide a solid link between ...
Aging entails many physical, biological, chemical, and psychological changes and the brain is no exception to this phenomenon. These various changes have attempted to be mapped by conceptual models like the Scaffolding Theory of Aging and Cognition (STAC) in 2009.
Adult development encompasses the changes that occur in biological and psychological domains of human life from the end of adolescence until the end of one's life. Changes occur at the cellular level and are partially explained by biological theories of adult development and aging. [1]
Enlargement of the ventricles, sulci and fissures is common in non-pathological aging. [6] Changes may also be associated with neuroplasticity, synaptic functionality and voltage-gated calcium channels. [7] Increased hyperpolarization, possibly due to dysfunctional calcium regulation, decreases neuron firing rate and plasticity.
Geriatric psychology began in 1978 with a spike in interest in mental health and the effects of aging. There was a slow increase in the number of aging adults in the U.S. population. There was a small group of 11 people who met together to talk about late-life mental health needs and the field of geriatrics.
Gerontology (/ ˌ dʒ ɛr ən ˈ t ɒ l ə dʒ i / JERR-ən-TOL-ə-jee) is the study of the social, cultural, psychological, cognitive, and biological aspects of aging.The word was coined by Ilya Ilyich Mechnikov in 1903, from the Greek γέρων (gérōn), meaning "old man", and -λογία (), meaning "study of".
The concept of successful ageing can be traced back to the 1950s and was popularised in the 1980s. Previous research into ageing exaggerated the extent to which health disabilities, such as diabetes or osteoporosis, could be attributed exclusively to age and research in gerontology exaggerated the homogeneity of samples of elderly people.