Viergever, M.A.

attention subject control signal figure trial right brain threshold region volume field activation electrode cortex analysis center activity performance interface voxel control signal visuospatial 0.00 classification change feedback number pattern eye movements direction right attention image response value target movement visuospatial attention channel system study november issue result condition subjects 8 time point www.plosone.org instruction motor signal changes experiment location group hemodynamic delay localizer selection intracranial patient method offline adaptive thresholding delay brain activity baseline subjects 1 bci control brain areas localizer data adaptive localizing target regions effect neurosci t-value point contrast brain-computer thresholding marker