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The concept of primary colors has a long, complex history. The choice of primary colors has changed over time in different domains that study color. Descriptions of primary colors come from areas including philosophy, art history, color order systems, and scientific work involving the physics of light and perception of color.
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
The theory of constructed emotion (formerly the conceptual act model of emotion [1]) is a theory in affective science proposed by Lisa Feldman Barrett to explain the experience and perception of emotion. [2] [3] The theory posits that instances of emotion are constructed predictively by the brain in the moment as needed.
Since then, the idea of the seven basic emotions (i.e., happiness, sadness, anger, contempt, fear, disgust, and surprise) has ignited debate about the origins of emotion. [11] In the early 1960s, Silvan Tomkins' Affect Theory built upon Darwin's research, arguing that facial expressions are biological and universal manifestations of emotions.
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 ...
These four categories are called primary emotions and there is some agreement amongst researchers that these primary emotions become combined to produce more elaborate and complex emotional experiences. These more elaborate emotions are called first-order elaborations in Turner's theory, and they include sentiments such as pride, triumph, and awe.
The ultra-violet light at the end of the spectrum might represent the influence of universal archetypes, such as the hero, the wise elder, or the trickster, on our thoughts, feelings, and actions. These archetypes are thought to exist beyond the visible spectrum, and can exert their influence on both living and non-living things.
The significant theories of emotion can be divided into three primary categories: physiological, [5] neurological, [6] and cognitive. [7] Physiological theories imply that activity within the body can be accountable for emotions. [8] Neurological theories suggest that activity within the brain leads to emotional responses. [6]