Abnormality of somatosensory evoked potentials Delayed somatosensory central conduction time 2010-08-10T01:31:37Z An abnormal increase (delay) in the somatosensory central conduction time (CCT), which can be measured from the peak of N13 to the peak of N20 (peak CCT) or from the onset of N11 to the onset of N20 (onset CCT). HP:0100291 UMLS:C4022163