Feinsod M, Bentin S, Moscovitch M, Wald U
Ann Neurol. 1980 Aug;8(2):191-2. doi: 10.1002/ana.410080210.
A patient with a brainstem tumor presented with astereognosis. The results of CT scan, evoked response studies, and neuropsychological tests all were consistent with a noncortical origin for the sensory defect.