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This last collection of lectures presented before the Harvey Society comprises eight essays, four of them bearing on important newer developments in the physiology of the nervous system. Wilder Penfield describes his electrical exploration of areas of the cerebral cortex of man and his first provocation of vocalization by this means and gives his views on epilepsy, dream states and automatism. An interesting conclusion is that all parts of the brain may be involved in normal conscious processes, but the indispensable substratum of consciousness lies outside the cerebral cortex, probably in the diencephalon.
The lecture of S. Walter Ranson deals with exploration of the hypothalamus, which led to the conclusion that this part of the brain, by way of the hypothalamicohypophysial tract, controls the rate of elimination of water and that through its connection with the rest of the brain and spinal cord the hypothalamus activates the sympathetic system and
The Harvey Lectures, Delivered Under the Auspices of the Harvey Society of New York, 1936-1937, Series 32.. Arch Intern Med (Chic). 1938;62(3):543. doi:10.1001/archinte.1938.00180140190014