Johannes G. Ramaekers - Publications, H-index & Citations

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Johannes G. Ramaekers

maastricht university

68H-index

399Paper Count

1.5WCitation Count

Published Papers 180

Publication Date

Subjective and neurocognitive profiling of clinical doses of 3,4-methylenedioxymethamphetamine (MDMA) in healthy volunteers: implications for therapeutic use

Molecular Psychiatry

IF10.1

2026-04-01

OAAI

Ramaekers, Johannes G.; Kuypers, Kim P. C.; Vollenweider, Franz X.

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Cannabis intoxication does not impair eyewitness recall with the Sketch Cognitive Interview but increases confidence in lineup errors

Scientific Reports

IF3.9

2026-03-26

OAAI

Lilian Kloft-Heller; Anna Junk; Coral J. Dando; Melanie Sauerland; Henry Otgaar; Johannes G. Ramaekers

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In Vivo Detection of Nitrous Oxide in Blood and Saliva Following Recreational Use

ACS Omega

IF4.3

2026-03-01

PREAI

Duran Jimenez, Dinesh; Vinckenbosch, Frederick; Busink, Joris; Donata, Paola; van Groningen, Tomas; van der Schans, Marcel; Helmerhorst, Hendrik J. F.; Dahan, Albert; Ramaekers, Johannes G.; Bikker, Floris J.

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Spatiotemporal mapping of brain organisation following the administration of 2C-B and psilocybin

Molecular Psychiatry

IF10.1

2026-02-03

OAAI

Pablo Mallaroni; S. Parker Singleton; Natasha L. Mason; Theodore D. Satterthwaite; Johannes G. Ramaekers

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Depression vulnerability involves brain activity and connectivity changes consistent with cholinergic deviancy

neuroimage: clinical

IF0

2025-12-31

OAAI

Peter Stiers; Zoe Samara; Kyran J.R. Kuijpers; Elisabeth A.T. Evers; Johannes G. Ramaekers

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Not all psychedelics are created equal

Nature Mental Health

IF8.7

2025-12-01

PREAI

Ramaekers, Johannes G.; Mallaroni, Pablo; Mason, Natasha L.; Avram, Mihai

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A Virtual Clinical Trial of Psychedelics to Treat Patients With Disorders of Consciousness

ADVANCED SCIENCE

IF14.1

2025-11-01

OAAI

Alnagger, Naji L. N.; Cardone, Paolo; Martial, Charlotte; Perl, Yonatan Sanz; Mindlin, Ivan; Sitt, Jacobo D.; Roseman, Leor; Carhart-harris, Robin; Nutt, David; Mallaroni, Pablo; Mason, Natasha; Ramaekers, Johannes G.; Bonhomme, Vincent; Laureys, Steven; Deco, Gustavo; Gosseries, Olivia; Nunez, Pablo; Annen, Jitka

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Cannabis perturbs dynamic brain states.

Biological Psychiatry

IF9

2025-10-21

OAAI

Katharina S. Lege; Pablo Mallaroni; Sepehr Mortaheb; Natasha L. Mason; Eef L. Theunissen; Desmond H.Y. Tse; Stefan W. Toennes; Athena Demertzi; Johannes G. Ramaekers

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Challenges in Responding to Cannabis-Impaired Motor Vehicle Drivers

CLINICAL CHEMISTRY

IF6.3

2025-10-01

PREAI

Hall, Wayne; Ramaekers, Johannes G.

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Between Enhancement and Risk: A Critical Review of Psychedelic Microdosing

Current Opinion in Psychology

IF6.9

2025-08-06

OAAI

Iva Totomanova; Eline C.H.M. Haijen; Petra P.M. Hurks; Johannes G. Ramaekers; Kim P.C. Kuypers

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Exploring 5-MeO-DMT as a pharmacological model for deconstructed consciousness

NEUROSCIENCE OF CONSCIOUSNESS

IF4.3

2025-04-21

OAAI

Timmermann, Christopher; Sanders, James W.; Reydellet, David; Barba, Tommaso; Luan, Lisa X.; Angona, Oscar Soto; Ona, Genis; Allocca, Giancarlo; Smith, Carl H.; Daily, Zachary G.; Mason, Natasha L.; Kloft-Heller, Lilian; Kuchar, Martin; Janeckova, Lucie; Palenicek, Tomas; Erritzoe, David; Ramaekers, Johannes G.; Carhart-Harris, Robin L.; Uthaug, Malin Vedoy

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Less is more? Antidepressant effects of short-acting psychedelics

NEUROPSYCHOPHARMACOLOGY

IF7.1

2025-04-01

PREAI

Ramaekers, Johannes G.

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Metabolomic profiling of cannabis use and cannabis intoxication in humans

NEUROPSYCHOPHARMACOLOGY

IF7.1

2025-03-01

OAAI

Madrid-Gambin, Francisco; Haro, Noemi; Mason, Natasha L.; Mallaroni, Pablo; Theunissen, Eef L.; Toennes, Stefan W.; Pozo, Oscar J.; Ramaekers, Johannes G.

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Ex vivo detection of recreational consumed nitrous oxide in exhaled breath

SCIENTIFIC REPORTS

IF3.9

2025-01-23

OAAI

Jimenez, Dinesh Duran; Vinckenbosch, Frederick; Busink, Joris; van Zijl, Jerro; Helmerhorst, Hendrik J. F.; van Tuin, Desiree; Dahan, Albert; Ramaekers, Johannes Gerardus; van der Schans, Marcel J.; Bikker, Floris J.

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Benefits and Challenges of Ultra-Fast, Short-Acting Psychedelics in the Treatment of Depression

AMERICAN JOURNAL OF PSYCHIATRY

IF14.7

2025-01-01

PREAI

Ramaekers, Johannes G.; Reckweg, Johannes T.; Mason, Natasha L.

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An exploratory study of the safety profile and neurocognitive function after single doses of mitragynine in humans

PSYCHOPHARMACOLOGY

IF3.3

2024-12-26

OAAI

Prevete, Elisabeth; Theunissen, Eef L.; Kuypers, Kim P. C.; Paci, Riccardo; Reckweg, Johannes T.; Cavarra, Mauro; Toennes, Stefan W.; Ritscher, Sabrina; Bersani, Giuseppe; Corazza, Ornella; Pasquini, Massimo; Ramaekers, Johannes G.

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Safety and cognitive pharmacodynamics following dose escalations with 3-methylmethcathinone (3-MMC): a first in human, designer drug study

NEUROPSYCHOPHARMACOLOGY

IF7.1

2024-12-24

OAAI

Ramaekers, Johannes G.; Reckweg, Johannes T.; Mason, Natasha L.; Kuypers, Kim P. C.; Toennes, Stefan W.; Theunissen, Eef L.

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Psilocybin and 2C-B at Encoding Distort Episodic Familiarity

BIOLOGICAL PSYCHIATRY-COGNITIVE NEUROSCIENCE AND NEUROIMAGING

IF4.8

2024-10-01

PREAI

Doss, Manoj K.; Mallaroni, Pablo; Mason, Natasha L.; Ramaekers, Johannes G.

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Visual hallucinations originating in the retinofugal pathway under clinical and psychedelic conditions

EUROPEAN NEUROPSYCHOPHARMACOLOGY

IF6.7

2024-08-01

OAAI

Tipado, Zeus; Kuypers, Kim P. C.; Sorger, Bettina; Ramaekers, Johannes G.

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Inter-individual variability in neural response to low doses of LSD

TRANSLATIONAL PSYCHIATRY

IF6.2

2024-07-15

OAAI

Hutten, Nadia R. P. W.; Quaedflieg, Conny W. E. M.; Mason, Natasha L.; Theunissen, Eef L.; Liechti, Matthias E.; Duthaler, Urs; Kuypers, Kim P. C.; Bonnelle, Valerie; Feilding, Amanda; Ramaekers, Johannes G.

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Research Directions