3 results
Approved WMOCompleted
To investigate the effects of galantamine on cognitive impairment and visual hallucinations in Parkinson`s disease, both therapeutic (direct effect) and preventive (protection against an acute increase of dopaminergic medication used by the patient…
Approved WMOPending
to assess whether a single-dose of levodopa improves cognitive symptoms and balances goal-directed and habitual behavior.
Approved WMORecruiting
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.