6 results
The primary objective is to examine whether a memory impairment as a result of biperiden treatment (cholinergic M1 antagonist) can be reversed by rivastigmine (a cholinesterase inhibitor). Secondary, we will assess the effects of biperiden and…
The primary objective is to examine whether a memory impairment as a result of biperiden treatment (cholinergic M1 antagonist) will be increased by acute tryptophan depletion (ATD, a drink that decreases serotonin synthesis). In other words, we will…
Striatal D2 receptor availability will be ascertained in 30 recent abstinent cocaine addicts by [123I]IBZM SPECT. In addition, we will measure drug craving and impulsivity with questionnaires, fMRI/EEG using cue-reactivity and impulsivity paradigms…
• To determine the profile of CNS effects at several time points after 2 mg and 4 mg biperiden in comparison to placebo in healthy elderly subjects.• To investigate the safety and tolerability of biperiden in healthy elderly subjects.• To determine…
To investigate whether mifepristone (7-day, 1200 mg/day) added to treatment as usual (TAU), is more efficacious than placebo in reducing depressive symptom severity (Inventory of Depressive Symptoms-Self Rated questionnaire; IDS-SR) in patients with…
We will examine the cognitive performance of healthy young participants at different time points after a single administration of biperiden. The behavioural outcomes and electrophysiological correlates will be linked with the serum levels of…