A look at research on the human brain at the Montreal Neurological Institute under Dr. Wilder Penfield. Program includes: host Lister Sinclair and Dr. Donald Ivey on the basic scientific data on the brain and epilepsy research; Penfield talks about epilepsy and the measurement of electrical discharges in the brain; Dr. Allan Elliott demonstrates the effect of a chemical on the nervous system; Dr. Herbert Jasper explains his research on electrical brain activity; Dr. Penfield, relates his accidental discovery of electrical stimulation of memory; and film footage of open brain surgery to cure epilepsy performed by Professor Rasmussen.