The 'wake-up test'.
D000293:Adolescent; D000328:Adult; D000768:Anesthesia, General / Q000379:methods*; D002648:Child; D002675:Child, Preschool; D003142:Communication; D006801:Humans; D007223:Infant; D007432:Intraoperative Period; D008875:Middle Aged; D013131:Spine / Q000601:surgery; D013514:Surgical Procedures, Operative