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Psychology

Neuroplasticity and Recovery After Brain Injury

Quick fact

A single neuron can grow up to 10,000 new connections after injury, and the brain can 'rewire' entire functional regions—for example, areas that controlled a hand can take over processing touch from an arm.

Why this is interesting

You've likely heard that 'you can't grow new brain cells,' yet many people recover speech, movement, and memory after a serious stroke or head injury. How does the brain actually fix itself?