Table 4. Specification for NIRS data processing.

NIRS	Dataset A	Dataset B	Dataset C
task	n-back	discrimination/selection response	word generation
downsampling	10 Hz	10 Hz	10 Hz
filtering	low pass 0.2 Hz	low pass 0.2 Hz	low pass 0.2 Hz
ocular artifact elimination	×	×	×
epoch	−5 to 60 s	−5 to 60 s	−5 to 25 s
baseline correction	−5 to −2 s	−5 to −2 s	−5 to −2 s
classifier	×	×	sLDA
cross validation	×	×	10×5-fold