Albumen print from glass plate negative (printed 1862)
Image: 19.5 x 17 cm (7 11/16 x 6 11/16 in.); Paper: 21.5 x 17 cm (8 7/16 x 6 11/16 in.); Mounted: 41.1 x 27.5 cm (16 3/16 x 10 13/16 in.)
Severance and Greta Millikin Trust 2018.10
This photograph is part of the first systematic exploration of the physiology of human facial expression. In order to demonstrate how each individual muscle contributed to creating an expression, Duchenne stimulated one or more muscles on one side of the face and left the other at rest.
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