Electrotherapy machine

Electrotherapy machine

Listen to the audio description

Can you spot a fake smile? In the 1860s, Guillaume Duchenne, a French physiologist, used electrical pulses to tweak patients’ faces, creating a map relating muscles to expressions. He found that truly happy smiles not only used the muscles of the mouth but also those of the eyes.

Source: Wellcome Trust

 
Currently on display in:
Who Am I?
Inventory number :
A630980