Eye-gaze independent brain machine interface using amplitude modulation of steady-state visual evoked potential with eyes-closed associated with mental concentration. - Seiji Nishifuji; Yuya Sugita (GCCE, 2014)

Event-related modulation of steady-state visual evoked potentials for eyes-closed brain computer interface. - Seiji Nishifuji; Yuya Sugita; Hitoshi Hirano (EMBC, 2015)

Brain machine interface available in eyes-closed state in terms of event-related desynchronization and synchronization during a mental task. - Seiji Nishifuji; Yuya Sugita; Hitoshi Hirano (GCCE, 2015)

Eye-gaze independent brain machine interface using steady-state response of brain wave to light and auditory stimuli. - Seiji Nishifuji; Atsushi Matsubara; Akira Iwata; Yuya Sugita; Fumiya Tanaka; Hitoshi Hirano (GCCE, 2016)