Lesion

• An injury, area of disease, or surgical incision to body tissue. Much of what we know about the functions of brain structures or pathways comes from lesion mapping studies, where scientists observe the behavior of people with an injury to a distinct area of the brain or analyze the behavior of a laboratory animal resulting from a lesion made in the brain.

Lesion

• Damage or change to tissue, such as a cut, a wound or a sore