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Children with missing hands rewire their brains to use other body parts, study finds.
A new study by the University of Cambridge and Durham University finds that children born with upper limb differences reorganize their brain’s somatosensory cortex early in life, repurposing areas normally linked to the missing hand to process signals from other body parts like the arm, torso, and leg.
Using fMRI and sensory stimulation, researchers observed widespread, stable brain map changes from toes to forehead, driven by homeostatic plasticity.
This adaptation supports unique movement strategies and highlights the brain’s remarkable resilience in early development.
The findings, supported by the charity Reach, may inform future rehabilitation approaches.
Los niños con manos perdidas recablean sus cerebros para usar otras partes del cuerpo, según un estudio.