Brain healing

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Brain healing is a process that occurs after a damaged brain. If a person survives brain damage, the brain has an amazing ability to adapt. When the cells in the brain are damaged and die, for example with a stroke, there will be no repair or scar formation for the cells. Brain tissue will experience liquefactive necrosis, and the edge of gliosis will form around the damaged area.

Video Brain healing

Formation of scar

Regardless of the small amount in the blood vessels, there is no fibroblasts in the brain. The scar is formed by fibroblasts that produce collagen to repair the area, which will contract later. If scars form in the brain, contractions will cause more damage.

Maps Brain healing

Formation of the glial membrane

Around the edges of necrosis, astrocytes proliferate. These cells prolong the process, and form a smooth edge of gliosis around the damage limit. The empty space left by the brain tissue is filled with cerebrospinal fluid.

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Functional recovery

Brain injury will usually be accompanied by acute swelling, which impairs function in the brain tissue that remains alive. Swelling resolution is an important factor for improving individual function. The biggest factor in functional recovery after a brain injury comes from the brain's ability to learn, called neuroplasticity. After injury, neuroplasticity allows a whole brain area to adapt and seeks to compensate for damaged parts of the brain. Although axons and peripheral nervous systems in the developing brain can regenerate, they can not be in the adult brain. This is partly due to factors generated by cells in the brain that inhibit this regeneration. Dendrites, however, will evolve from the whole axon, as part of the neuroplasticity process. After severe brain injury, improved functionalities associated with neuroplasticity are unlikely without the assistance of skilled health professionals in rehabilitation. Recent studies have found that collagen is widely distributed throughout the brain and may be important in protecting the brain against degeneration as it does with Alzheimer's.

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See also

• Neuroregeneration

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References

Source of the article : Wikipedia