Liberati, G., van der Heiden, L., Kim, S., Rana, M., Raffone, A., Olivetti Belardinelli, M., Birbaumer, N., & Sitaram, R. (2011). Classical conditioning of the BOLD signal: A paradigm for basic BCI communication. Organization for Human Brain Mapping, Quebec City (Canada). https://hdl.handle.net/2078.5/125956