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Map showing statistically significant lower oxy-Hb changes in patients with CID compared with the controls during the VFT.
Notes: Channels in color showed significantly lower oxy-Hb changes during the VFT in CID compared with healthy controls (FDR-corrected P<0.05). Channels in gray showed FDR-corrected P-values >0.05.
Abbreviations: CID, chronic insomnia disorder; FDR, false discovery rate; oxy-Hb, oxygenated hemoglobin; VFT, verbal fluency test.
