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  2. Microexpression - Wikipedia

    en.wikipedia.org/wiki/Microexpression

    Microexpressions express the seven universal emotions: disgust, anger, fear, sadness, happiness, contempt, and surprise. Nevertheless, in the 1990s, Paul Ekman expanded his list of emotions, including a range of positive and negative emotions not all of which are encoded in facial muscles. These emotions are amusement, embarrassment, anxiety ...

  3. Discrete emotion theory - Wikipedia

    en.wikipedia.org/wiki/Discrete_emotion_theory

    Discrete emotion theory is the claim that there is a small number of core emotions.For example, Silvan Tomkins (1962, 1963) concluded that there are nine basic affects which correspond with what we come to know as emotions: interest, enjoyment, surprise, distress, fear, anger, shame, dissmell (reaction to bad smell) and disgust.

  4. List of facial expression databases - Wikipedia

    en.wikipedia.org/wiki/List_of_facial_expression...

    1280 videos and over 250 images Color 720* 576 AU label for the image frame with apex facial expression in each image sequence Posed and Spontaneous Belfast Database [8] Set 1 (disgust, fear, amusement, frustration, surprise) 114 570 video clips Color 720*576 Natural Emotion Set 2 (disgust, fear, amusement, frustration, surprise, anger, sadness) 82

  5. Emotion classification - Wikipedia

    en.wikipedia.org/wiki/Emotion_classification

    A popular example is Paul Ekman and his colleagues' cross-cultural study of 1992, in which they concluded that the six basic emotions are anger, disgust, fear, happiness, sadness, and surprise. [2] Ekman explains that there are particular characteristics attached to each of these emotions, allowing them to be expressed in varying degrees in a ...

  6. Paul Ekman - Wikipedia

    en.wikipedia.org/wiki/Paul_Ekman

    Paul Ekman (born February 15, 1934) [1] is an American psychologist and professor emeritus at the University of California, San Francisco who is a pioneer in the study of emotions and their relation to facial expressions. [2]

  7. Evolution of emotion - Wikipedia

    en.wikipedia.org/wiki/Evolution_of_emotion

    The expressions of emotion that Ekman noted as most universal based on research are: anger, fear, disgust, sadness, and enjoyment. [5] A common view is that facial expressions initially served a non-communicative adaptive function.

  8. Emotion - Wikipedia

    en.wikipedia.org/wiki/Emotion

    Robert Plutchik agreed with Ekman's biologically driven perspective but developed the "wheel of emotions", suggesting eight primary emotions grouped on a positive or negative basis: joy versus sadness; anger versus fear; trust versus disgust; and surprise versus anticipation. [46] Some basic emotions can be modified to form complex emotions.

  9. Facial coding - Wikipedia

    en.wikipedia.org/wiki/Facial_coding

    In 1960s, Paul Ekman an American psychologist, set out to visit people from different nations (including an isolated indigenous tribe in Papua New Guinea) to study non-verbal behavior across cultures. His research supported Darwin's findings–that facial expressions and emotions are universal–as people from diverse cultural backgrounds had ...