Complex sentence: After a residency in psychiatry at the Payne Whitney Institute in New York, Evarts joinded NIMH in Bethesda, Maryland where he was appointed as head of the Section on Physiology at the Laboratory of Clinical Science and became chief of the Laboratory of Neurophysiology in 1970.
Split into simpler sentences: After a residency in psychiatry at the Payne Whitney Institute in New York, Evarts joinded NIMH in Bethesda, Maryland. He was appointed as head of the Section on Physiology at the Laboratory of Clinical Science and became chief of the Laboratory of Neurophysiology in 1970.