Robin L. Carhart-Harris et al., “Neural Correlates of the LSD Experience Revealed by Multimodal Neuroimaging”, Proceedings of the National Academy of Sciences 113 (2016): 4853–4858; Robin L. Carhart-Harris et al., “The Entropic Brain: A Theory of Conscious States Informed by Neuroimaging Research with Psychedelic Drugs”, Frontiers in Human Neuroscience 8 (2014): 1–22.
