Shulou(Shulou.com)12/24 Report--

CTOnews.com The human brain's ability to adapt and change, known in academia as neuroplasticity, has long captured the imagination of science and the public.

The current view in the industry is that neurological challenges such as blindness, deafness, amputation or stroke can lead to significant changes in brain function, giving people the feeling that "God closes one door and will open another window for you."

But a paper published recently in eLife suggests that an in-depth analysis of classic papers reassesses ideas about cortical reorganization and neuroplasticity, suggesting that the human brain is not as neuroplastic as expected.

The paper picks 10 of the most typical examples of recombination in neuroscience and reassesses published evidence from a new perspective.

The paper argues that these successful cases of rehabilitation do not modify the brain, but activate latent abilities that already exist.

For example, in Merzenich's monkey study and Hubel's and Wiesel's study of kittens, scientists didn't dig deep into brain regions, thinking that these nerves existed but were simply not found.

So why do blind people improve their hearing or other skills? The study suggests that it is not the brain that undergoes major restructuring, but rather the power of training and learning, which are believed to be the true mechanisms of neuroplasticity.

Intensive repetitive training is required for blind people to develop acute echolocation skills or stroke survivors to relearn motor functions. This learning process demonstrates the brain's extraordinary but limited capacity for plasticity.

CTOnews.com Attaching paper reference address: Tamar R Makin,John W Krakauer,(2023), Against cortical reorganization,eLife,12,:e84716, doi.org/10.7554/eLife.84716

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