Author,Title,Journal,ISSN,Publisher,Date,Volume,Number,Page,URL,URL(DOI) Minako Uga and Ippeita Dan and Haruka Dan and Yasushi Kyutoku and Y-h Taguchi and Eiju Watanabe,Exploring effective multiplicity in multichannel functional near-infrared spectroscopy using eigenvalues of correlation matrices,Neurophotonics,2329-423X,SPIE-Intl Soc Optical Eng,2015-02-04,2,1,015002,https://cir.nii.ac.jp/crid/1360004235874040064,https://doi.org/10.1117/1.nph.2.1.015002