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Abstrait
Brain Ageing: A Crucial Sign of Being Old
Kashetti S
Ageing can be defined as progressive physiological changes in the organisms that lead to reduce the biological
functions. The current study focus on the changes occurs in the brain during ageing. These changes includes
physiological changes, Cellular, Structural, Chemical, Cognitive changes. The brain shrinks with increasing age and
there are changes at all levels from molecules to morphology. Incidence of stroke, white matter lesions, and dementia
also rise with age, as does level of memory impairment and there are changes in levels of neurotransmitters and
hormones. Among these mentioned changes each change plays a key role in highlighting the ageing process at brain
level. There are some neurological diseases such as Alzheimer's Disease, dementia, Parkinson’s, depression and may
more are associated with brain ageing.