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The effects of increased levels of dopamine on the activation in the dopaminergic system.

Conditions
Disorders related to disturbed dopaminergic functioning.
Registration Number
NL-OMON28941
Lead Sponsor
Maastircht University
Brief Summary

/A

Detailed Description

Not available

Recruitment & Eligibility

Status
Pending
Sex
Not specified
Target Recruitment
20
Inclusion Criteria

1. Healthy, right handed, male, between 23 and 35 years of age;

2. No history of mental illness or neurological disorders;

Exclusion Criteria

1. MRI contra-indications, such as claustrophobia and metal parts in the body;

2. Cardiovascular abnormalities as assessed by standard 12-lead electrocardiogram (ECG);

Study & Design

Study Type
Interventional
Study Design
Not specified
Primary Outcome Measures
NameTimeMethod
1. Regional cerebral blood flow (method: arterial spin labeling MRI) during resting state in the cortex, sub cortical and brain stem regions;<br /><br>2. Regional blood oxygenated level dependent (BOLD) response (method: BOLD functional MRI) during resting state and during task performance, in the cortex, sub cortical and brain stem regions;<br /> <br>3) Task performance: the number of correct response and the reaction time.<br>
Secondary Outcome Measures
NameTimeMethod
1. The levels of Ritalinic acid in the blood;<br /><br>2. Mood and physical complaints (method: questionnaire);<br /><br>3. Hart and breathing rate (assessed during the scan session).<br>
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