Introduction; Gerd Grübler and Elisabeth Hildt -- Part I: Applications -- Brain‑Computer Interfaces and Assistive Technology; Rüdiger Rupp , Sonja C. Kleih , Robert Leeb , José del R. Millan, Andrea Kübler and Gernot R. Müller-Putz -- Brain‑Computer Interfaces and Diagnosis; Camille Chatelle, Steven Laureys and Quentin Noirhomme -- Brain‑Computer Interfaces and Therapy; Donatella Mattia and Marco Molinari -- Part II: Stakeholders and Perspectives -- BCI as an Emerging Assistive Technology (AT): The AT Professionals’ Perspective; Evert-Jan Hoogerwerf, Lorenzo Desideri, Massimiliano Malavasi, Matteo Rimondini and Mick Donegan -- Psychological Perspectives: Quality of Life and Motivation; Sonja C. Kleih and Andrea Kübler -- Emerging BCI Opportunities from a Market Perspective; Christoph Guger, Brendan Z. Allison and Günter Edlinger -- Between Neuro-potentials and Aesthetic Perception. Pingo Ergo Sum; Adi Hoesle -- My BCI Vision; Sonja Balmer -- The Users’ Perspective; Various Authors -- Relatives‘ report -- Part III: Reflections -- A Tour of Some Brain/Neuronal–Computer Interfaces; Kevin Warwick -- Philosophical Reflections on Brain–Computer Interfaces; Guglielmo Tamburrini -- Brain–Computer Interfaces and User Responsibility; Fiachra O'Brolchain and Bert Gordijn -- On Human–Computer Interaction in Brain–Computer Interfaces; Gerd Grübler and Elisabeth Hildt -- BCI and a User’s Judgment of Agency;  Rutger Vlek, Jan-Philip van Acken, Evine Beursken, Linsey Roijendijk and Pim Haselager.