2023
DOI: 10.31234/osf.io/38whf
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Zygomaticus activation through facial neuromuscular electric stimulation (fNMES) induces happiness perception in ambiguous facial expressions and affects neural correlates of face processing

Themis Nikolas Efthimiou,
Joshua Baker,
Alasdair D F Clarke
et al.

Abstract: The recognition of emotional facial expressions is crucial for social communication, but different views exist on whether facial feedback is a significant factor in this decoding process. Previous studies have manipulated the degree of activation of facial muscles through various techniques, such as voluntary posing of facial expressions, holding a pen in the mouth, or botulinum toxin injections. These methods, however, are limited in their control over which muscles are (de)activated when and to what degree. … Show more

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