Researcher profile
Johannes G. Ramaekers
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19 connected articles
Metabolomic profiling of cannabis use and cannabis intoxication in humans.2025 · Europe PMCCannabis Use and Neuroadaptation: A Call for Δ <i><sup>9</sup></i> -Tetrahydrocannabinol Challenge Studies.2022 · PubMed Central Open AccessA Comparison of Acute Neurocognitive and Psychotomimetic Effects of a Synthetic Cannabinoid and Natural Cannabis at Psychotropic Dose Equivalence.2022 · Europe PMCFunctional brain connectomes reflect acute and chronic cannabis use.2022 · PubMed Central Open AccessCannabis containing equivalent concentrations of delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD) induces less state anxiety than THC-dominant cannabis.2022 · Europe PMCCannabidiol (CBD) content in vaporized cannabis does not prevent tetrahydrocannabinol (THC)-induced impairment of driving and cognition.2019 · Europe PMCFalse memory formation in cannabis users: a field study.2019 · PubMed Central Open AccessPsychopathological symptoms associated with synthetic cannabinoid use: a comparison with natural cannabis.2019 · Europe PMCDetection of Δ<sup>9</sup> THC in oral fluid following vaporized cannabis with varied cannabidiol (CBD) content: An evaluation of two point-of-collection testing devices.2019 · Europe PMCErratum: Cannabis and tolerance: acute drug impairment as a function of cannabis use history.2016 · PubMed Central Open AccessCannabis and tolerance: acute drug impairment as a function of cannabis use history.2016 · PubMed Central Open AccessSubjective aggression during alcohol and cannabis intoxication before and after aggression exposure.2016 · PubMed Central Open AccessAcute effects of cocaine and cannabis on reversal learning as a function of COMT and DRD2 genotype2015 · PubMed Central Open AccessCannabis and cocaine decrease cognitive impulse control and functional corticostriatal connectivity in drug users with low activity DBH genotypes.2015 · PubMed Central Open AccessPsychomotor Function in Chronic Daily Cannabis Smokers during Sustained Abstinence2013 · PubMed Central Open AccessA placebo-controlled study to assess Standardized Field Sobriety Tests performance during alcohol and cannabis intoxication in heavy cannabis users and accuracy of point of collection testing devices for detecting THC in oral fluid2012 · PubMed Central Open AccessA Case-Control Study Estimating Accident Risk for Alcohol, Medicines and Illegal Drugs2012 · PubMed Central Open AccessNeurophysiological functioning of occasional and heavy cannabis users during THC intoxication2011 · PubMed Central Open AccessTolerance and cross-tolerance to neurocognitive effects of THC and alcohol in heavy cannabis users2010 · PubMed Central Open Access
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