Six basic emotions? The story of a list
Anger, disgust, fear, joy, sadness, surprise: the list is taught everywhere. Yet it has changed several times, including at its author's own hand.
The origin
The list comes out of the cross-cultural work conducted by Paul Ekman and Wallace Friesen at the end of the 1960s, notably among the Fore of Papua New Guinea. Six facial expressions are recognised there above chance, with frequent confusion between fear and surprise.
The criterion used to qualify an emotion as basic combines several elements: a distinctive facial expression, presence in other primates, rapid triggering, a physiological signature of its own. Each of these criteria has since been contested.
A list that moves
Ekman himself added contempt in the 1980s, then later proposed a much longer list including amusement, pride, shame, relief and satisfaction. Other authors have defended lists of four, eight, ten or fifteen emotions, depending on the criteria favoured.
This instability is itself an argument. A well-identified natural category does not vary like that by author and by decade; it suggests rather that the division depends on what one decides to measure.
The dimensional alternative
James Russell proposed as early as 1980 to give up categories in favour of two continuous dimensions: valence, from unpleasant to pleasant, and activation, from calm to excited. Each state is placed there as a point, and emotion names designate regions rather than boxes.
This model has the advantage of parsimony and cross-cultural robustness: the study published in 2019 on nearly two thousand five hundred languages recovers exactly these two dimensions as the common framework, under very different lexical divisions.
What each approach misses
Two dimensions do not distinguish anger from anxiety, equally unpleasant and activated, when these states call for neither the same conduct nor the same response from others. That is a real loss.
Categories, conversely, import a situated lexical division. Describing the states of a speaker of another language with the six English words retained in 1969 amounts to deciding in advance what can be found.
Why the list survives
Six is a convenient number: enough to look serious, few enough to fit on a slide. The list has spread through training courses, applications, school materials, often presented as an established fact rather than as a working hypothesis.
It remains a working hypothesis, and a contested one. The honest formulation consists in saying that there are regularities in the way affective states manifest, and that their division into named categories remains an open question.
Key points
The list of basic emotions has changed several times, including at the hand of its main promoter.
The valence and activation model is more parsimonious and is recovered as a common framework across languages.
Each approach loses something: dimensions erase useful distinctions, categories import a situated division.
This article describes documented mechanisms and disagreements. It recommends no position, no party and no vote, and commits to no reading other than that of the work it cites.
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