TY - JOUR T1 - In vivo visualisation of the longitudinal callosal fascicle (Probst’s bundle) and other abnormalities in an acallosal brain JF - Journal of Neurology, Neurosurgery & Psychiatry JO - J Neurol Neurosurg Psychiatry SP - 138 LP - 139 DO - 10.1136/jnnp.64.1.138 VL - 64 IS - 1 AU - BERND-ULRICH MEYER AU - SIMONE RÖRICHT Y1 - 1998/01/01 UR - http://jnnp.bmj.com/content/64/1/138.abstract N2 - In vivo visualisation of the longitudinal callosal fascicle (Probst’s bundle) (arrow head) and other abnormalities in an acallosal brain. Long arrow in D=cingulate gyrus; short arrow in E=formix. A 45 year old office clerk with a two year history of intermittent tension like headache presented with difficulties of walking heel to toe and of exchanging sensorimotor information between both hemispheres (alternating bilateral tapping, contralateral mirroring of finger position, cross localisation of tactile stimuli, finger sequence repetition, and bilateral coordinated arm rotations). There were no complaints about limitations in activities of daily life. The family history was unremarkable regarding motor disabilities, mental retardation, or epilepsy. MRI (A, C-F: TR 25 ms, TE 6.9 ms; B: TR 4000 ms, … ER -