Specifically an blockage type stroke. I get the blockage causes part of the brain tissue to die. As rehab happens and people get back some of their function, is that dead tissue regrowing again? Or is it just that other parts of the brain pick up the work of the dead tissue? Why some things come back and some never do?
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30 years ago neurologists told people that the adult brain can’t heal and does not generate new neurons. Now they say the opposite, and they encourage those with brain injuries to try to redevelop capability. Brains are complex and this obviously does not always work, I remember hearing about a man who had the area of his brain responsible for wayfinding destroyed by a tumor, and he was not able to regain it despite regaining other functions. The researcher theorized that the specialized nature of that part of the brain and the extent of the damage is what made it not possible to heal from. There a great book “Stroke of Insight” by Jill Taylor that gives a close up of stroke damage and neuroplasticity.
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