L0040068 Experiments in physiology. Facial expressions; Pain

L0040068 Experiments in physiology. Facial expressions; Pain
Credit: Wellcome Library, London. Wellcome Images
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The facial expression of pain on the human face being induced by electrical currents.
Photograph
19th Century By: Guillaume Benjamin Amand Duchenne de BoulogneMécanisme de la physionomie humaine, ou, Analyse électro-physiologique de l’expression des passions
Guillaume Benjamin Amand Duchenne de Boulogne
Published: 1862

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