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Fred C.g.j. Sweep

2 papers in the library · 275 citations · publishing 2009

Papers

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Increased oxytocin concentrations and prosocial feelings in humans after ecstasy (3,4-methylenedioxymethamphetamine) administration

Social Neuroscience June 25, 2009 Glenn Dumont, Fred C.g.j. Sweep, R. van der Steen et al. 238 citations

MDMA (3,4-methylenedioxymethamphetamine or "ecstasy") is a recreationally used drug with remarkable and characteristic prosocial effects. In spite of abundant attention in the scientific literature, the mechanism of its prosocial effects has not been elucidated in humans. Recently, research in animals has suggested that the neuropeptide oxytocin may induce these effects. In a double blind,...

Acute psychomotor effects of MDMA and ethanol (co-) administration over time in healthy volunteers

Journal of Psychopharmacology January 22, 2009 Gjh Dumont, Rik C. Schoemaker, Daan J Touw et al. 37 citations

In Western societies, a considerable percentage of young people use 3,4-methylenedioxymethamphetamine (MDMA or ‘ecstasy’). The use of alcohol (ethanol) in combination with ecstasy is common. The aim of the present study was to assess the acute psychomotor and subjective effects of (co-) administration of MDMA and ethanol over time and in relation to the pharmacokinetics. We performed a...