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Citation |
Song S, Yamada S. Front. Psychol. 2018; 9: e2685. |
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Affiliation |
Digital Content and Media Sciences Research Division, National Institute of Informatics, Tokyo, Japan. |
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Copyright |
(Copyright © 2018, Frontiers Research Foundation) |
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DOI |
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PMID |
30687160 |
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PMCID |
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Abstract |
Today's computers are becoming ever more versatile. They are used in various applications, such as for education, entertainment, and information services. In other words, computers are often required to not only inform users of information but also communicate with them socially. Previous studies explored the design of ambient light displays and suggested that such systems can convey information to people in the periphery of their attention without distracting them from their primary work. However, they mainly focused on using ambient lights to convey certain information. It is still unclear whether and how the lights can influence people's perception and decision-making. To explore this, we performed three experiments using a ping-pong game, Ultimatum game, and Give-Some game, in which we attached an LED strip to the front-bottom of a computer monitor and had it display a set of light expressions. Our evaluation of the results suggested that expressive lights do affect human perception and decision-making. Participants liked and anthropomorphized the computer more when it displayed light animations. Particularly, they perceived the computer as positive and friendlier when it displayed green and low intensity light animation, while red and high intensity light animation was perceived as negative and more hostile. They consequently behaved with more tolerance and cooperation to the computer when it was positive compared with when it was negative. The findings can open up possibilities for the design of ambient light systems for various applications where human-machine interaction is needed. Language: en |
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Keywords |
affective computing; ambient light systems; expressive lights; human-machine interaction; peripheral display |