hhavensteincw writes "Scientists at Tufts University are researching the use of light aimed at the forehead to measure the work overload, stress or distraction a computer user may be feeling as a way to adjust the UI to adapt to a user's feelings. Computerworld has the story http://www.computerworld.com/action/article.do?command=viewArticleBasic&articleId=9041698&intsrc=hm_list on the research, which combines biomedical engineering and machine learning to adjust the UI. The project, which requires users to wear a futuristic head band, uses light to measure the flow of oxygenated blood to the brain that signals a user's rising stress levels typically associated with increasingly difficult tasks." Link to Original Source
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