Guillaume-Benjamin-Armand Duchenne de Boulogne

Some images from the electro-physiology sessions (Mecanisme de la Physionomie Humaine ou Analyse Electro-Physiologique de L’Expression des Passions, Paris, 1862) conducted by Dr. Duchenne and photographed by Adrien Tournachon (brother of the better known Gaspard Felix Tournachon, aka Nadar)  

from méchanisme de la physionomie humaine, 1862

extreme electrical excitement of the frontal muscle, 1855-56

Dr. Duchenne with a patient, experimenting with electroshock therapy, circa 1862

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