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Cerebral atrophy is a common feature of many of the diseases that affect the brain. [1] Atrophy of any tissue means a decrement in the size of the cell, which can be due to progressive loss of cytoplasmic proteins. In brain tissue, atrophy describes a loss of neurons and the connections between them.
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.
A new study found that sleep quality issues in early middle-age are associated with accelerated brain aging and cognitive problems later in life. ... where the level of brain shrinkage corresponds ...
Frontotemporal dementia (FTD) is an early onset disorder that mostly occurs between the ages of 45 and 65, [13] but can begin earlier, and in 20–25% of cases onset is later. [ 11 ] [ 14 ] Men and women appear to be equally affected. [ 15 ]
The part of the brain most affected by Alzheimer's is the hippocampus. Other parts that show atrophy (shrinking) include the temporal and parietal lobes. Although this pattern of brain shrinkage suggests Alzheimer's, it is variable and a brain scan is insufficient for a diagnosis.
Socially isolated participants also had more small areas of damage in the brain, called white matter lesions, than the people with frequent social contac Being lonely linked to brain shrinkage ...
The Health and Retirement Study, which looked at more than two decades of data from over 45,000 older adults in the United States, suggested that lifestyle, genetics and other factors at 60 years ...
This includes loss of dendritic aborization, or branching, early in disease progression and eventual atrophy of brain tissues in later stages. [21] SCA1 causes moderate degradation of a variety of tissues, including both hemispheres of the cerebellum, the cerebellar vermis , the pons , and the brain stem .