For most people, sensing temperature is second nature. You grab a hot cup of coffee and instinctively pull back if it's too warm. You touch a cold glass of water and immediately register the chill.

A rare circulatory problem required Emily Wheldon to have her left arm amputated three years ago. Her brain still thinks it's there. "Most days, it just feels like I've got my arm next to me," she ...

New fMRI evidence shows that the brain’s hand and lip maps remain stable years after amputation, reshaping our understanding of neuroplasticity and guiding future prosthetic and rehabilitation ...