MDMA-induced indifference to negative sounds is mediated by the 5-HT(2A) receptor

por Kuypers, K. P. C., de la Torre, R., Farre, M., Pizarro, N., Xicota, L., Ramaekers, J. G.
Publicado 2017

Subjective aggression during alcohol and cannabis intoxication before and after aggression exposure

por De Sousa Fernandes Perna, E. B., Theunissen, E. L., Kuypers, K. P. C., Toennes, S. W., Ramaekers, J. G.
Publicado 2016

Ayahuasca enhances creative divergent thinking while decreasing conventional convergent thinking

por Kuypers, K. P. C., Riba, J., de la Fuente Revenga, M., Barker, S., Theunissen, E. L., Ramaekers, J. G.
Publicado 2016

Peripheral endocannabinoid concentrations are not associated with verbal memory impairment during MDMA intoxication

por Haijen, E., Farre, M., de la Torre, R., Pastor, A., Olesti, E., Pizarro, N., Ramaekers, J. G., Kuypers, K. P. C.
Publicado 2017

Cannabis and tolerance: acute drug impairment as a function of cannabis use history

por Ramaekers, J. G., van Wel, J. H., Spronk, D. B., Toennes, S. W., Kuypers, K. P. C., Theunissen, E. L., Verkes, R. J.
Publicado 2016

Erratum: Cannabis and tolerance: acute drug impairment as a function of cannabis use history

por Ramaekers, J. G., van Wel, J. H., Spronk, D. B., Toennes, S. W., Kuypers, K. P. C., Theunissen, E. L., Verkes, R. J.
Publicado 2016

Depressive mood ratings are reduced by MDMA in female polydrug ecstasy users homozygous for the l-allele of the serotonin transporter

por Kuypers, K. P. C., de la Torre, R., Farre, M., Xicota, L., de Sousa Fernandes Perna, E. B., Theunissen, E. L., Ramaekers, J. G.
Publicado 2018

Effects of stimulant drugs on actual and simulated driving: perspectives from four experimental studies conducted as part of the DRUID research consortium

por Ramaekers, J. G., Kuypers, K. P. C., Bosker, W. M., Brookhuis, K. A., Veldstra, J. A., Simons, R., Martens, M., Hjälmdahl, M., Forsman, Å., Knoche, A.
Publicado 2012

Sub-acute and long-term effects of ayahuasca on affect and cognitive thinking style and their association with ego dissolution

por Uthaug, M. V., van Oorsouw, K., Kuypers, K. P. C., van Boxtel, M., Broers, N. J., Mason, N. L., Toennes, S. W., Riba, J., Ramaekers, J. G.
Publicado 2018

Cannabis and cocaine decrease cognitive impulse control and functional corticostriatal connectivity in drug users with low activity DBH genotypes

por Ramaekers, J. G., van Wel, J. H., Spronk, D., Franke, B., Kenis, G., Toennes, S. W., Kuypers, K. P. C., Theunissen, E. L., Stiers, P., Verkes, R. J.
Publicado 2015

Spontaneous and deliberate creative cognition during and after psilocybin exposure

por Mason, N. L., Kuypers, K. P. C., Reckweg, J. T., Müller, F., Tse, D. H. Y., Da Rios, B., Toennes, S. W., Stiers, P., Feilding, A., Ramaekers, J. G.
Publicado 2021

Cannabis containing equivalent concentrations of delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) induces less state anxiety than THC-dominant cannabis

por Hutten, Nadia R. P. W., Arkell, T. R., Vinckenbosch, F., Schepers, J., Kevin, R. C., Theunissen, E. L., Kuypers, K. P. C., McGregor, I. S., Ramaekers, J. G.
Publicado 2022

A placebo-controlled study to assess Standardized Field Sobriety Tests performance during alcohol and cannabis intoxication in heavy cannabis users and accuracy of point of collect...

por Bosker, W. M., Theunissen, E. L., Conen, S., Kuypers, K. P. C., Jeffery, W. K., Walls, H. C., Kauert, G. F., Toennes, S. W., Moeller, M. R., Ramaekers, J. G.
Publicado 2012

A placebo-controlled study of the effects of ayahuasca, set and setting on mental health of participants in ayahuasca group retreats

por Uthaug, M. V., Mason, N. L., Toennes, S. W., Reckweg, J. T., de Sousa Fernandes Perna, E. B., Kuypers, K. P. C., van Oorsouw, K., Riba, J., Ramaekers, J. G.
Publicado 2021

A pooled analysis of on-the-road highway driving studies in actual traffic measuring standard deviation of lateral position (i.e., “weaving”) while driving at a blood alcohol conce...

por Jongen, S., Vermeeren, A., van der Sluiszen, N. N. J. J. M., Schumacher, M. B., Theunissen, E. L., Kuypers, K. P. C., Vuurman, E. F. P. M., Ramaekers, J. G.
Publicado 2017

Drug liking and wanting, not impulsive action or reflection is increased by 4-fluoroamphetamine

por Kuypers, K. P. C., de Sousa Fernandes Perna, E. B., Dolder, P. C., Toennes, S. W., Theunissen, E. L., Mason, N. L., Hutten, N. R. P. W., Ramaekers, J. G.
Publicado 2018

A single inhalation of vapor from dried toad secretion containing 5-methoxy-N,N-dimethyltryptamine (5-MeO-DMT) in a naturalistic setting is related to sustained enhancement of sati...

por Uthaug, M. V., Lancelotta, R., van Oorsouw, K., Kuypers, K. P. C., Mason, N., Rak, J., Šuláková, A., Jurok, R., Maryška, M., Kuchař, M., Páleníček, T., Riba, J., Ramaekers, J. G.
Publicado 2019

Me, myself, bye: regional alterations in glutamate and the experience of ego dissolution with psilocybin

por Mason, N. L., Kuypers, K. P. C., Müller, F., Reckweg, J., Tse, D. H. Y., Toennes, S. W., Hutten, N. R. P. W., Jansen, J. F. A., Stiers, P., Feilding, A., Ramaekers, J. G.
Publicado 2020