what is white matter of the brain ?
what is white matter of the brain？
White matter is found in the deeper tissues of the brain (subcortical). It contains nerve fibers (axons), which are extensions of nerve cells (neurons). Many of these nerve fibers are surrounded by a type of sheath or covering called myelin. Myelin gives the white matter its color.2021年1月28日
Accordingly,Is white matter on brain serious?
Originally, white matter disease was considered a normal, age-related change. But over the last decade, medical experts have come to understand that the presence of large areas of disease in the white matter of the brain are associated with cognitive decline and dementia in patients.
One may also ask,What does it mean when you have white matter on a brain MRI?
White matter disease is commonly detected on brain MRI of aging individuals as white matter hyperintensities (WMH), or 'leukoaraiosis.” Over the years it has become increasingly clear that the presence and extent of WMH is a radiographic marker of small cerebral vessel disease and an important predictor of the life- ...
Furthermore,Is white matter normal in the brain?
In the normal brain, white matter appears to provide the essential connectivity, uniting different regions into networks that perform various mental operations.
Long,How serious is white matter disease?
The life expectancy after a diagnosis of white matter disease depends on the speed it progresses and the severity of any other conditions it may cause, like stroke and dementia. White matter disease is believed to be a factor in both strokes and dementia. However, more research must be done for further confirmation.
Unlike Alzheimer's disease, which shrinks the hippocampus causing progressive memory loss, white matter disease is a more diffuse mind-robbing condition that targets small blood vessels deep within the brain's white matter.
White matter has a legitimate position in the study of dementia. The neuropathology of white matter disorders is typically diffuse or widespread, thus disrupting many networks simultaneously and producing a multi-domain syndrome that merits the term dementia.
Treatments: While there is no known cure for white matter disease, treatments can help to manage the symptoms. Controlling the risk factors associated with heart disease can help decrease the progression of the disease.
Leukodystrophies are a group of rare, genetic disorders that affect the white matter of the brain. The word leukodystrophy comes from leuko, which means white, and dystrophy, which means imperfect growth. Leukodystrophies are characterized by this abnormal growth of white matter in the brain.
Vanishing white matter (VWM) disease is an inherited condition caused by a faulty gene. Children with VWM disease have a defective protein that prevents the body from making enough myelin, a white, fatty substance that insulates nerve fibers, protecting them from damage.
White matter injuries are very serious, but, depending on the type and extent of the injury, extensive recovery may occur. As long as the neuron cell bodies remain healthy, axons can regrow and slowly repair themselves.
White matter disease may develop with conditions associated with aging, such as stroke, but it can also affect young people due to conditions such as cerebral adrenoleukodystrophy and multiple sclerosis (MS).
Researchers have also demonstrated that using our brains in a specific way can change the structure of white matter. For instance, one experiment found that regularly practicing a musical instrument increases the level of organization within white matter in the areas important for musical performance.