2. Forthcoming. Psychedelics and meditation: a neurophilosophical perspective. In Rick Repetti (ed.), The Routledge Handbook of the Philosophy of Meditation. Routledge. Download pre-print version here.
4. 2021. Psychedelics alter metaphysical beliefs. Scientific Reports. 3rd author - with Christopher Timmermann, Hannes Kettner, Leor Roseman, Fernando E. Rosas, and Robin L. Carhart-Harris. Open access.