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The role of stress and dopamine in habitual behaviour

Dopaminergic Modulation And Neural Substrates Of Stress-Induced Change in Goal-Directed and Habitual Behaviour

Status
Active, not recruiting
Phases
Unknown
Study type
Observational
Source
NL-OMON
Registry ID
NL-OMON20107
Enrollment
100
Registered
2016-07-20
Start date
2016-09-01
Completion date
Unknown
Last updated
2025-03-24

For informational purposes only — not medical advice. Sourced from public registries and may not reflect the latest updates. Terms

Conditions

This concerns a study in healthy volunteers aiming to study a mechanism driving behaviour.

Interventions

methylphenidate and acute stress

Sponsors

Maastricht University
Lead Sponsor

Eligibility

Inclusion criteria

Inclusion criteria: - good physical and mental health as determined by medical history and medical examination, ECG and laboratory examination; - BMI between 18 and 25 m2/kg; - written informed consent; - age between 18-35 (inclusive) - educational level: at least having finished secondary school

Exclusion criteria

Exclusion criteria: - pregnancy or lactation, or plans to get pregnant in the near future; - cardiovascular abnormalities as assessed by standard ECG; - excessive alcohol use, defined as drinking more than 21 glasses of alcohol per week; - history of drug abuse or addiction; - hypertension (diastolic> 90; systolic> 140); - history of psychiatric and neurological disorders - current use of psychoactive medication or medication known to affect stress responding (e.g., beta-blockers; for women, the use of oral contraceptives is allowed). - Contraindications to methylphenidate.

Design outcomes

Primary

MeasureTime frame
behavioural performance on an instrumental learning task and functional connectivity measures derived from fMRI data.

Secondary

MeasureTime frame
behavioural inhibitory control and unconscious learning measures. Endocrine stress markers.

Contacts

Public ContactPeter van Ruitenbeek

Clinical Psychological Science, Maastricht University

e-mail: p.vanruitenbeek@maastrichtuniversity.nl

Outcome results

None listed

Source: NL-OMON (via WHO ICTRP)