Kim van Oorsouw (K.I.M.)

Doss, M. K., Kloft, L., Mason, N. L., Mallaroni, P., Reckweg, J. T., van Oorsouw, K., Tupper, N., Otgaar, H., & Ramaekers, J. G. (2025). Ayahuasca enhances the formation of hippocampal-dependent episodic memory without impacting false memory susceptibility in experienced ayahuasca users: An observational study. Journal of Psychopharmacology, 39(4), 339-349. https://doi.org/10.1177/02698811241301216

Mallaroni, P., Mason, N. L., Kloft, L., Reckweg, J. T., van Oorsouw, K., Toennes, S. W., Tolle, H. M., Amico, E., & Ramaekers, J. G. (2024). Shared functional connectome fingerprints following ritualistic ayahuasca intake. Neuroimage, 285, Article 120480. https://doi.org/10.1016/j.neuroimage.2023.120480

Mallaroni, P., Mason, N. L., Kloft, L., Reckweg, J. T., van Oorsouw, K., & Ramaekers, J. G. (2023). Cortical structural differences following repeated ayahuasca use hold molecular signatures. Frontiers in Neuroscience, 17, Article 1217079. https://doi.org/10.3389/fnins.2023.1217079

Ramaekers, J., Mallaroni, P., Kloft, L., Reckweg, J., Toennes, S., van Oorsouw, K., & Mason, N. (2023). Altered State of Consciousness and Mental Imagery as a Function of N, N-dimethyltryptamine Concentration in Ritualistic Ayahuasca Users. Journal of Cognitive Neuroscience, 35(9), 1382-1393. https://doi.org/10.1162/jocn_a_02003

Kloft, L., Otgaar, H., Blokland, A., van Oorsouw, K., Schepers, J., Steinmeyer, S., & Ramaekers, J. G. (2023). False Memories in the Field: Impact of Substance Intoxication and Sleep Restriction on False Memory Formation. Journal of Applied Research in Memory and Cognition, 12(3), 389-400. https://doi.org/10.1037/mac0000055

Bohn, A., Kiggen, M. H. H., Uthaug, M. V., van Oorsouw, K. I. M., Ramaekers, J. G., & van Schie, H. T. (2023). Altered States of Consciousness During Ceremonial San Pedro Use. International Journal for the Psychology of Religion, 33(4), 309-331. https://doi.org/10.1080/10508619.2022.2139502

Pontual, A. A. D., Tofoli, L. F., Corradi-Webster, C. M., van Oorsouw, K., Delgado, A. R. O., & Ramaekers, J. G. (2022). The influence of ceremonial settings on mystical and challenging experiences occasioned by ayahuasca: A survey among ritualistic and religious ayahuasca users. Frontiers in Psychology, 13, Article 857372. https://doi.org/10.3389/fpsyg.2022.857372

van Oorsouw, K., Toennes, S. W., & Ramaekers, J. G. (2022). Therapeutic effect of an ayahuasca analogue in clinically depressed patients: a longitudinal observational study. Psychopharmacology, 239(6), 1839-1852. https://doi.org/10.1007/s00213-021-06046-9

Madrid-Gambin, F., Gomez-Gomez, A., Busquets-Garcia, A., Haro, N., Marco, S., Mason, N. L., Reckweg, J. T., Mallaroni, P., Kloft, L., van Oorsouw, K., Toennes, S. W., de la Torre, R., Ramaekers, J. G., & Pozo, O. J. (2022). Metabolomics and integrated network analysis reveal roles of endocannabinoids and large neutral amino acid balance in the ayahuasca experience. Biomedicine & Pharmacotherapy, 149, Article 112845. https://doi.org/10.1016/j.biopha.2022.112845

Van Oorsouw, K. I., Uthaug, M. V., Mason, N. L., Broers, N. J., & Ramaekers, J. G. (2021). Sub-acute and long-term effects of ayahuasca on mental health and well-being in healthy ceremony attendants: A replication study. Journal of Psychedelic Studies, 5(2), 103-113. https://doi.org/10.1556/2054.2021.00174