A microexpression is a facial expression that only lasts for a short moment. It is the innate result of a voluntary and an involuntary emotional response occurring simultaneously and conflicting with one another, and occurs when the amygdala (the emotion center of the brain [dubious – discuss]) responds appropriately to the stimuli that the individual experiences and the . A facial expression is one or more motions or positions of the muscles beneath the skin of the face. According to one set of controversial theories, these movements convey the emotional state of an individual to observers. Facial expressions are a form of nonverbal 4some.xyz are a primary means of conveying social information between humans, but they also occur in .
Jul 05, · Happiness is considered the most universal facial expression with virtually the same meaning across all cultures. Indicated by a smile and crescent-shaped eye, this face is even innate in infants. Scientists and evolution experts have formulated many specific origins to the expression of happiness with particular regard to the smile. May 08, · Since Darwin’s seminal works, the universality of facial expressions of emotion has remained one of the longest standing debates in the biological and social sciences. Briefly stated, the universality hypothesis claims that all humans communicate six basic internal emotional states (happy, surprise, fear, disgust, anger, and sad) using the same facial .