Cortical activation patterns of electrical pain stimulation using fNIRS. - Inhwa Han; Sanghyun Won; Yungeui Kang; Kyungseok Oh; Kyeonghui Kim; Janghwan Jekal; Sang Hyeon Jin; Gi Hyun Lee; Seung Tae Yang; Seon Yoon Jung; Jinung An (BCI, 2018)