Abstract
Facial emotion recognition after cosmetic botulinum toxin injection
Highlights
68 volunteers enrolled in our study and evaluated by Multimodal Emotion Recognition test (MERT) at eight weeks. 82.1% of the volunteers were female, 89.7% were between 20 to 60 years old, and 97.1% had more than 12 years of education
Our study shows that facial emotion recognition probably attenuated by paralysing facial muscle after cosmetic injection of the Botulinum toxin (BTX)
Following mechanisms in the perception and recognition of emotion might be affected by BTX injection: 1. “Facial feedback”: This mechanism naturally enhances the subjects own emotional experiences by contracting facial muscles to simulate an emotion without its trigger; Facial feedback is the reason why ancient worriers were constructed to express fearsome expression in the battlefield
Summary
Emotions are the foundation for our proper social interaction. Our brain continuously involves in perception, recognition and expression of feelings. Most of our non-verbal communications expressed on our faces [1]. This leads to appropriate recognition of the emotion expressed by the others with whom we are communicating and ensures favourable social interactions [2,3,4]. Even Darwin considered this topic in the 19th century. He suggested that the human ability to express and understand emotions is an innate and genetically determined ability and are universal among all human regardless of factors such as social, gender or education [5]
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