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White matter is the tissue through which messages pass between different areas of grey matter within the central nervous system. The white matter is white because of the fatty substance (myelin) that surrounds the nerve fibers (axons). This myelin is found in almost all long nerve fibers, and acts as an electrical insulation.
Management of depression is the treatment of depression that may involve a number of different therapies: medications, behavior therapy, psychotherapy, and medical devices. Depression is a symptom of some physical diseases; a side effect of some drugs and medical treatments; and a symptom of some mood disorders such as major depressive disorder ...
Retrogenesis is a medical hypothesis that just as the fetus goes through a process of neurodevelopment beginning with neurulation and ending with myelination, the brains of people with Alzheimer's disease go through a reverse neurodegeneration process starting with demyelination and death of axons (white matter) and ending with the death of ...
The white matter is substantially affected, with noticeable atrophy (tissue loss), in addition to calcification of the arteries. [2] [6] [17] Microinfarcts may also be present in the gray matter (cerebral cortex), sometimes in large numbers. [2]
The authors also found a substantial link between baseline BCS and depression risk among those younger than 50 — which they considered surprising since they expected only older adults may have ...
Psychological therapies for dementia are starting to gain some momentum. [ when? ] Improved clinical assessment in early stages of Alzheimer's disease and other forms of dementia , increased cognitive stimulation of the elderly, and the prescription of drugs to slow cognitive decline have resulted in increased detection in the early stages.
Alzheimer's Disease Neuroimaging Initiative (ADNI) is a multisite study that aims to improve clinical trials for the prevention and treatment of Alzheimer's disease (AD). [1] This cooperative study combines expertise and funding from the private and public sector to study subjects with AD, as well as those who may develop AD and controls with ...
Frontotemporal dementia; Brain MRI of a 65-year-old woman with frontotemporal dementia. Cortical and white matter atrophy of the frontal lobes is clear in all images. Specialty: Psychiatry, neurology: Causes: frontotemporal lobar degeneration