6 results
The study consists of two phases. In the first phase, we aim to investigate whether the dopamine receptor D4 (DRD4) genotype confers differential susceptibility to the effects of early life stress on empathy and prosocial behavior more generally in…
Single dose:The objectives of Part 1 (single dose escalation part) are to examine the safety, tolerability and pharmacokinetics (i.e., the circulating levels of TMC558445 in your blood over time) of increasing single oral doses of TMC558445, with…
to assess whether a single-dose of levodopa improves cognitive symptoms and balances goal-directed and habitual behavior.
To replicate and extend the findings of the recent methylphenidate study in which methylphenidate was found to enhance episodic memory performance; To explore whether this effect of methylphenidate is primarily mediated by its dopaminergic action.
The aim of this study is to improve our understanding of the mechanisms underlying altered social performance monitoring from a pharmacological perspective by directly comparing the effects of dopamine and oxytocin on individual and social…
To investigate whether early treatment with levodopa has a delayed beneficial effect on PD symptoms and functional health, and improves the ability to (maintain) work, reduces the use of (informal) care, caregiver burden, and costs. Additionally,…