Walter Rudolf Hess

“Our problem consisted in establishing which of the physically determined parts of the brain are responsible for the regulation and coordination of the internal organs.”

“For a long time physiology has been feeling its way into the remote parts of the brain.”

“The experimental investigation of the diencephalon, which has been pursued for more than twelve years, is not yet finished.”

“Firstly, the facts of sleep are not yet sufficiently analysed.”

“The autonomic system as a whole has been regarded as a purely efferent system.”