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. Author manuscript; available in PMC: 2013 Dec 18.
Published in final edited form as: IEEE Trans Vis Comput Graph. 2013 Apr;19(4):10.1109/TVCG.2013.42. doi: 10.1109/TVCG.2013.42

Table 1.

Physiological Feature Sets used in the Study

Channels Features Units
ECG Mean IBI ms
SD IBI N/A
PPG Mean PTT ms
SD PTT N/A
Mean IBI ms
SD IBI N/A
Mean PPG peak Micro Volts
Max PPG peak Micro Volts
GSR Tonic Mean Micro Siemens
Tonic Slope Micro Siemens/s
Phasic Response Rate peaks/s
Phasic Mean Amplitude Micro Siemens
Phasic Max Amplitude Micro Siemens
SKT Mean Temp Degree Fahrenheit
SD Temp N/A
Temp Slope Degree Fahrenheit/s

IBI: Inter-beat interval

PTT: Pulse transit time