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BrainFacts.org

Myth
Brain damage is always permanent.
Truth

In some instances, the brain can repair itself. Whether a person recovers from a brain injury depends on the location and severity of the damage. A concussion, a typically mild and common type of brain injury, usually results in only temporary disruption of brain functions as long as there is adequate recovery time and no repeated injury. Even after more serious brain injury, such as stroke, research indicates that — especially with the help of therapy — the brain may be capable of developing new connections and “reroute” function through healthy areas.

References

Brown JA. Recovery of motor function after stroke. Progress in Brain Research. 157: 223–8 (2006).

Orive G,  Anitua E, Pedraz JL, Emerich DF. Biomaterials for promoting brain protection, repair and regeneration. Nature Reviews Neuroscience. 10: 682-692 (2009).

Plasticity during stroke recovery: from synapse to behavior. Nature Reviews Neuroscience. 10: 861-872 (2009).

Further Reading

Cuthbert L. Is brain damage always permanent? Curiosity.com. 2011.

Hamilton J. Education may help insulate the brain against traumatic injury. NPR. April 23, 2014.

Landau E. The brain's amazing potential for recovery. CNN. May 5, 2011.

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