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  2. List of facial expression databases - Wikipedia

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

    The emotion annotation can be done in discrete emotion labels or on a continuous scale. Most of the databases are usually based on the basic emotions theory (by Paul Ekman) which assumes the existence of six discrete basic emotions (anger, fear, disgust, surprise, joy, sadness). However, some databases include the emotion tagging in continuous ...

  3. Gelotophobia - Wikipedia

    en.wikipedia.org/wiki/Gelotophobia

    Although at face value the emotions relating to gelotophobia would be predominantly fear, there is a distinct interplay with three dominant emotions: [12] low levels of joy, high levels of fear, and high levels of shame. More importantly, where shame in a typical week exceeds joy, gelotophobia is more likely to develop. [12]

  4. List of emoticons - Wikipedia

    en.wikipedia.org/wiki/List_of_emoticons

    However, an equals sign, a number 8, a capital letter B or a capital letter X are also used to indicate normal eyes, widened eyes, those with glasses or those with crinkled eyes, respectively. Symbols for the mouth vary, e.g. ")" for a smiley face or "(" for a sad face. One can also add a "}" after the mouth character to indicate a beard.

  5. Emotion classification - Wikipedia

    en.wikipedia.org/wiki/Emotion_classification

    Emotion classification, the means by which one may distinguish or contrast one emotion from another, is a contested issue in emotion research and in affective science. Researchers have approached the classification of emotions from one of two fundamental viewpoints: [citation needed] that emotions are discrete and fundamentally different constructs

  6. List of phobias - Wikipedia

    en.wikipedia.org/wiki/List_of_phobias

    The English suffixes -phobia, -phobic, -phobe (from Greek φόβος phobos, "fear") occur in technical usage in psychiatry to construct words that describe irrational, abnormal, unwarranted, persistent, or disabling fear as a mental disorder (e.g. agoraphobia), in chemistry to describe chemical aversions (e.g. hydrophobic), in biology to describe organisms that dislike certain conditions (e.g ...

  7. Facial expression - Wikipedia

    en.wikipedia.org/wiki/Facial_expression

    The universality hypothesis is the assumption that certain facial expressions and face-related acts or events are signals of specific emotions (happiness with laughter and smiling, sadness with tears, anger with a clenched jaw, fear with a grimace, or gurn, surprise with raised eyebrows and wide eyes along with a slight retraction of the ears ...

  8. Fear - Wikipedia

    en.wikipedia.org/wiki/Fear

    Fear is an unpleasant emotion that arises in response to perceived dangers or threats. Fear causes physiological and psychological changes. Fear causes physiological and psychological changes. It may produce behavioral reactions such as mounting an aggressive response or fleeing the threat, commonly known as the fight-or-flight response .

  9. Emotion in animals - Wikipedia

    en.wikipedia.org/wiki/Emotion_in_animals

    In humans, a distinction is sometimes made between "basic" and "complex" emotions. Six emotions have been classified as basic: anger, disgust, fear, happiness, sadness and surprise. [14] Complex emotions would include contempt, jealousy and sympathy. However, this distinction is difficult to maintain, and animals are often said to express even ...