title: Special issue containing contributions from the Fourth International Brain-Computer Interface Meeting.
authors: Guest Editors.
authors: Theresa M
authors: TM
authors: Vaughan
authors: Jonathan R
authors: JR
authors: Wolpaw
mesh_terms: D001676:Biofeedback, Psychology / Q000379:methods*; D001921:Brain / Q000502:physiology*; D001931:Brain Mapping / Q000639:trends*; D003143:Communication Devices for People with Disabilities / Q000639:trends*; D004569:Electroencephalography / Q000639:trends*; D006801:Humans; D008328:Man-Machine Systems; D009468:Neuromuscular Diseases / Q000534:rehabilitation; D014584:User-Computer Interface