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Pages in category "Facial expressions" The following 36 pages are in this category, out of 36 total. This list may not reflect recent changes. ...
A facial expression database is a collection of images or video clips with facial expressions of a range of emotions. Well-annotated ( emotion -tagged) media content of facial behavior is essential for training, testing, and validation of algorithms for the development of expression recognition systems .
Eye contact and facial expressions provide important social and emotional information. People, perhaps without consciously doing so, search other's eyes and faces for positive or negative mood signs. In some contexts, the meeting of eyes arouses strong emotions. Eye contact provides some of the strongest emotions during a social conversation.
Voluntary facial expressions are often socially conditioned and follow a cortical route in the brain. Conversely, involuntary facial expressions are believed to be innate and follow a subcortical route in the brain. Facial recognition can be an emotional experience for the brain and the amygdala is highly involved in the recognition process.
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.
A smile is a facial expression formed primarily by flexing the muscles at the sides of the mouth. Some smiles include a contraction of the muscles at the corner of the eyes, an action known as a Duchenne smile. Among humans, a smile expresses delight, sociability, happiness, joy, or amusement.
A woman with total paralysis of the nerves of facial expression was found unable to transmit or receive any nonverbal facial cues whatsoever. [108] Because of the changes in levels of accuracy on the levels of nonverbal receptivity, the members of the research team hypothesized a biochemical site in the brain which was operative for reception ...
For example, when reading an email, people are unable to hear the sender's voice or see the sender's facial expression; both voice and facial expressions are important social cues that allow one to understand how someone else is feeling, and without them, one can be more prone to misinterpret what someone is conveying in an email. [citation needed]
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