Turbo-Satori is a real-time analysis program for functional near-infrared spectroscopy (fNIRS) data (at present only for hardware from NIRx company). While the also available Satori program is aimed at offline analysis, Turbo-Satori is optimised for real-time applications such as neurofeedback and brain computer interface (BCI) applications. The software supports online oxy/deoxy concentration value calculations from raw wavelength data and it provides advanced in-built neurofeedback options.
The program calculates and shows oxy and deoxygenated haemoglobin concentration values. These values will be used for time course displays and neurofeedback as default except in case that the “Show raw WL data” option is set explicitly. For a good channel, the oxy signal should move upward during activation while the deoxy channel should move downward; the deoxy signal (negative) amplitude should also be about 0.1-0.2 the amplitude of the oxy signal.