 EBS remains inextricably entwined with the work of Dr. Robert Galbraith Heath, Dr. Jose Delgado and Dr. Wilder Penfield.It's of interest that during cerebral localization studies, neurosurgeon Penfield could not elicit emotional reactions in humans, either by observing spontaneous epilepsy or by electrically stimulating the surface of the cerebral cortex.Neurophysiologist Dr. Jose Delgado noted a few exceptions to this rule.