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Dementia Australia is a national initiative for dementia and Alzheimer's disease. Dementia Australia is the new coordinator of Alzheimer's Australia Association. [ 17 ] Dementia Australia is a national peak body, national advocacy organisation and registered non-profit charity that provides national dementia programs and services.
One other specific age related factor noted in Popescu et al. is a decrease in estrogen as one ages could adversely affect the breakdown of the blood-brain barrier and create a sensitivity to neurodegeneration. [14] As pointed out earlier, dementia is a broad category of memory impairments most commonly associated with ageing.
This is an accepted version of this page This is the latest accepted revision, reviewed on 2 March 2025. Long-term brain disorders causing impaired memory, thinking and behavior This article is about the cognitive disorder. For other uses, see Dementia (disambiguation). "Senile" and "Demented" redirect here. For other uses, see Senile (disambiguation) and Demented (disambiguation). Medical ...
A normal brain on the left and a late-stage Alzheimer's brain on the right During the final stage, known as the late-stage or severe stage, there is complete dependence on caregivers. [ 19 ] [ 33 ] [ 41 ] Language is reduced to simple phrases or even single words, eventually leading to complete loss of speech.
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The brain is very complex, and is composed of many different areas and types of tissue, or matter. The different functions of different tissues in the brain may be more or less susceptible to age-induced changes. [6] The brain matter can be broadly classified as either grey matter, or white matter.
It is currently unclear as to whether or not primary age-related tauopathy (PART), a term in which includes some cases formerly referred to as neurofibrillary tangle-predominant dementia (NFTPD) or tangle-only dementia, is a variant of the traditional Alzheimer's disease, or a distinct entity.
The main causes are neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, and Huntington's disease because they affect or deteriorate brain functions. [7] Other diseases and conditions that cause NCDs include vascular dementia , frontotemporal degeneration , Lewy body disease , prion disease , normal pressure ...