An introduction to psychedelic neuroscience / Tanya Calvey and Fleur M. Howells -- The renaissance in psychedelic research: what do preclinical models have to offer / Kevin S. Murnane -- D-Lysergic acid diethylamide, psilocybin, and other classic hallucinogens: mechanism of action and potential therapeutic applications in mood disorders / Danilo De Gregorio, Justine P. Enns, Nicolas A. Nuñez, Luca Posa and Gabriella Gobbi -- Common neural signatures of psychedelics: frequency-specific energy changes and repertoire expansion revealed using connectome-harmonic decomposition / Selen Atasoy, Jakub Vohryzek, Gustavo Deco, Robin L. Carhart-Harris and Morten L. Kringelbach -- A case report SPECT study and theoretical rationale for the sequential administration of ibogaine and 5-MeO-DMT in the treatment of alcohol use disorder / Joseph Barsuglia, Martin Polanco, Robert Palmer, Benjamin Malcolm, Benjamin Kelmendi and Tanya Calvey -- Advances and challenges in neuroimaging studies on the effects of serotonergic hallucinogens: contributions of the resting brain / Felix Müller, Matthias E. Liechti, Undine E. Lang and Stefan Borgwardt -- Neurocognitive effects of cannabis: lessons learned from human experimental studies / Marco Colizzi and Sagnik Bhattacharyya -- Ibogaine as a treatment for substance misuse: potential benefits and practical dangers / John Martin Corkery.