fNIR spectroscopy as a measure of cognitive task load
作者： K. Izzetoglu , S. Bunce , M. Izzetoglu , B. Onaral , K. Pourrezaei
DOI: 10.1109/IEMBS.2003.1280883
关键词:
摘要: Functional near infrared (fNIR) sensor measures hemodynamic changes in the cortex using a portable, safe, affordable and negligibly intrusive NIR based optical brain imaging system. We hypothesize that there is positive correlation between blood oxygenation relevant areas of dorsolateral prefrontal cognitive effort defined as attention working memory. In this paper, we present employment fNIR to assess state user. The paper also introduces experimental setup analysis data acquired from forehead during video-game like task namely, "Warship Commander Task" (WCT). WCT, primary air warfare management. While performing task, difficulty load are manipulated by changing number tracks per wave more difficult "yellow" tracks. explored load, subject's performance level changes. Our results show significantly sensitive size (task load)
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