When a stroke damages brain tissue along an important movement pathway, the injured side of the brain may show faster aging (red), while parts of the opposite side may appear relatively “younger” (blue) as the brain tries to compensate. This pattern is linked to more severe movement problems and less recovery. Credit: Stevens INI A new study in The Lancet Digital Health suggests the brain can respond to stroke in a surprising way. Researchers at the USC Mark and Mary Stevens Neuroimaging and