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Entertain."],"published-print":{"date-parts":[[2018,4,10]]},"abstract":"<jats:p>Much research has been done on the brain\u2019s reaction to seeing faces, but while much of the work has investigated the brain\u2019s conscious reaction to faces, far less work has been done exploring the brain\u2019s unaware reactions using consumer-grade devices. Built on previous work, we describe an experiment conducted using EEGs and consumer-grade Brain-Computer Interface (BCI) headsets to measure the brain\u2019s unaware reaction to seeing faces of three pre-defined recognition classes: no recognition, unaware recognition, and aware recognition. We pre-select images to be shown in each class and display the images in a two-day experiment where participants implicitly learn images tagged as \u201cunaware recognition\u201d for use in the second day. 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