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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 .
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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]
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.
In medical contexts, a facies is a distinctive facial expression or appearance associated with a specific medical condition. [1] The term comes from Latin for "face". [ 2 ] As a fifth declension noun, [ 3 ] facies can be both singular and plural.
Microexpressions can be difficult to recognize, but still images and video can make them easier to perceive. In order to learn how to recognize the way that various emotions register across parts of the face, Ekman and Friesen recommend the study of what they call "facial blueprint photographs", photographic studies of "the same person showing all the emotions" under consistent photographic ...
Facial asymmetry temporal seizures; Facial clefting corpus callosum agenesis; Facial cleft; Facial dysmorphism macrocephaly myopia Dandy–Walker type; Facial dysmorphism shawl scrotum joint laxity syndrome; Facial femoral syndrome; Facial paralysis; Facies unusual arthrogryposis advanced skeletal malformations; Facio digito genital syndrome ...