Written by Pam MS, NCSP | Fact checked by Psychology Dictionary staff 

n. a lesion which specifically involves both sides of the body or an organ. It holds especially true for lesions of the cerebral hemispheres wherein both sides may be affected. This condition is usually a direct result of disease, trauma, or injuy.

BILATERAL LESION: "Edema or swelling can cause a bilateral lesion in both cerebral hemispheres."

More On This Topic

Link to This Definition

Did you find this definition of BILATERAL LESION helpful? You can share it by copying the code below and adding it to your blog or web page.