Brain-computer interface using near-infrared spectroscopy for rehabilitation

  title={Brain-computer interface using near-infrared spectroscopy for rehabilitation},
  author={Kazuki Yanagisawa and Kyohei Asaka and Hideyuki Sawai and Hitoshi Tsunashima and Takafumi Nagaoka and Takeo Tsujii and Kaoru Sakatani},
  journal={ICCAS 2010},
This study proposes a new method for detecting brain activity level for brain-computer interface (BCI) using a near-infrared spectroscopy (NIRS) which is applicable for rehabilitation. NIRS detects the radiated near-infrared rays, and measures relative variations of oxygenated hemoglobin (oxy-Hb) and deoxygenated hemoglobin (deoxy-Hb) based on those absorbencies. The proposed method detects the brain activity level using oxy-Hb and the differential value of oxy-Hb. Results with grasping task… CONTINUE READING
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