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Interest is a feeling or
emotion Emotions are mental states brought on by neurophysiological changes, variously associated with thoughts, feelings, behavioral responses, and a degree of pleasure or displeasure. There is currently no scientific consensus on a definition. ...
that causes
attention Attention is the behavioral and cognitive process of selectively concentrating on a discrete aspect of information, whether considered subjective or objective, while ignoring other perceivable information. William James (1890) wrote that "Atte ...
to focus on an object, event, or process. In contemporary psychology of interest, the term is used as a general concept that may encompass other more specific psychological terms, such as
curiosity Curiosity (from Latin '' cūriōsitās'', from ''cūriōsus'' "careful, diligent, curious", akin to ''cura'' "care") is a quality related to inquisitive thinking such as exploration, investigation, and learning, evident by observation in humans ...
and to a much lesser degree surprise. The emotion of interest does have its own
facial expression 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 ...
, of which the most prominent component is having
dilated pupils Mydriasis is the dilation of the pupil, usually having a non-physiological cause, or sometimes a physiological pupillary response. Non-physiological causes of mydriasis include disease, trauma, or the use of certain types of drugs. Normally, as ...
.


Applications in computer assisted communication and B-C interface

In 2016, an entirely new communication device and brain-computer interface was revealed, which required no visual fixation or eye movement at all, as with previous such devices. Instead, the device assesses more covert interest, that is by assessing other indicators than eye fixation, on a chosen letter on a virtual keyboard. Each letter has its own (background) circle that is micro-oscillating in brightness in different time transitions, where the determination of letter selection is based on the best fit between first, unintentional pupil-size oscillation pattern and second, the circle-in-background's brightness oscillation pattern. Accuracy is additionally improved by the user's mental rehearsing of the words 'bright' and 'dark' in synchrony with the brightness transitions of the circle/letter.


Measurement of sexual interest

In social science measurement methodology, when the intensity of (sexual) interest needs to be measured, the changes in pupil size – despite its weaker, but still consistent, correlations with other measures such as self-reported measures of
sexual interest Sexual attraction is attraction on the basis of sexual desire or the quality of arousing such interest. Sexual attractiveness or sex appeal is an individual's ability to attract other people sexually, and is a factor in sexual selection or mat ...
's orientation – have been proposed as its appropriate measure.Rieger, Gerulf; Savin-Williams RC (2012
''The Eyes Have It: Sex and Sexual Orientation Differences in Pupil Dilation Patterns''
Public Library of Science PLOS (for Public Library of Science; PLoS until 2012 ) is a nonprofit publisher of open-access journals in science, technology, and medicine and other scientific literature, under an open-content license. It was founded in 2000 and launc ...
ONE 7(8): e40256. doi:10.1371/journal.pone.0040256 San Francisco


See also

*
Curiosity Curiosity (from Latin '' cūriōsitās'', from ''cūriōsus'' "careful, diligent, curious", akin to ''cura'' "care") is a quality related to inquisitive thinking such as exploration, investigation, and learning, evident by observation in humans ...
*
Ecstasy (emotion) Ecstasy () is a subjective experience of total involvement of the subject, with an object of their awareness. In classical Greek literature, it refers to removal of the mind or body "from its normal place of function." Total involvement with ...
*
Carroll Izard Carroll Ellis Izard (October 8, 1923 – February 5, 2017) was an American research psychologist known for his contributions to differential emotions theory (DET), and the Maximally Discriminative Affect Coding System (MAX) on which he worked wi ...
* Surprise *
Attraction (emotion) Interpersonal attraction as a part of social psychology is the study of the attraction between people which leads to the development of platonic or romantic relationships. It is distinct from perceptions such as physical attractiveness, and invo ...


References


External links


A theory of different stages of interest
(from
noticing Awareness is the state of being conscious of something. More specifically, it is the ability to directly know and perceive, to feel, or to be cognizant of events. Another definition describes it as a state wherein a subject is aware of some inform ...
something, wondering about it, being
curious Curiosity (from Latin '' cūriōsitās'', from ''cūriōsus'' "careful, diligent, curious", akin to ''cura'' "care") is a quality related to inquisitive thinking such as exploration, investigation, and learning, evident by observation in humans ...
, to being fascinated, astonished, and, in ecstasy) {{Authority control Emotions