In December 1905, eight years before he published the first volume of“In Search of LostTime”,Marcel Proust entered a sanatorium to follow a six-week treatment for “neurasthenia” under the care of Dr Paul Sollier who, along with Babinski, was considered the cleverest pupil of Charcot. Following Charcot’s wish, Sollier had studied memory in depth,and he used this knowledge to provoke emotional su...