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Facial morphology impacts expression recognition in important ways, and therefore, infant facial morphology may also serve some specific communicative function. These similarities in morphology and movement are important for the correct interpretation of an emotion.
Also, facial characteristics influence first impressions of others, which influences our expectations and behavior, which in turn influences character. [42] Lastly, there are several biological factors that influence both facial appearance and character traits, such pre- and post-natal hormone levels [43] and gene expression. [44]
The development of FACS tools for different species allows the objective and anatomical study of facial expressions in communicative and emotional contexts. Furthermore, a cross-species analysis of facial expressions can help to answer interesting questions, such as which emotions are uniquely human. [21]
The muscles of the face play a prominent role in the expression of emotion, [1] and vary among different individuals, giving rise to additional diversity in expression and facial features. [30] Variations of the risorius, triangularis and zygomaticus muscles. People are also relatively good at determining if a smile is real or fake.
Facial expression is an important part of body language and the expression of emotion.It can comprise movement of the eyes, eyebrows, lips, nose and cheeks. At one point, researchers believed that making a genuine smile was nearly impossible to do on command.
This indicates that facial expressions are affected by the social environment, and are an important aspect in creating relationships with others in our social groups. In one study, researchers found that facial expressions of sadness may be more beneficial for toddlers than other expressions when eliciting support from the social environment.
Facial coding is the process of measuring human emotions through facial expressions. Emotions can be detected by computer algorithms for automatic emotion recognition that record facial expressions via webcam. This can be applied to a better understanding of people’s reactions to visual stimuli.
An inability to form facial expressions on one side of the face may be the first sign of damage to the nerve of these muscles. Damage to the facial nerve results in facial paralysis of the muscles of facial expression on the involved side. Paralysis is the loss of voluntary muscle action; the facial nerve has become damaged permanently or ...