Status:
RECRUITING
Pulsed tVNS Protocol and Reinforcement Learning
Lead Sponsor:
University of Bonn
Conditions:
Vagus Nerve Stimulation in Reward Learning
Eligibility:
All Genders
18-35 years
Phase:
NA
Brief Summary
The aim of this study is to investigate the potential of a phasic taVNS stimulation protocol for reinforcement learning. The investigators will disentangle its effects on learning actions and outcomes...
Detailed Description
The study follows a single-blind randomized cross-over design with only 1 within-subject factor (stimulation condition, 2 levels: taVNS, sham) leading to 2 experimental sessions per participant. Prev...
Eligibility Criteria
Inclusion
- Age between 18 and 35
- Body-Mass-Index between 18.5 and 30.0 kg/m2
- Providing written informed consent
- Normal or corrected-to-normal vision
Exclusion
- acute:
- skin lesions at the stimulation site (e.g., wounds, inflammation),
- earrings or piercings on the left or right ear which cannot be removed,
- implants (pacemaker, cochlear implant, cerebral shunt),
- required permanent use of hearing aid,
- pregnant or nursing,
- other contraindications for MRI (e.g. claustrophobia) lifetime:
- brain injury,
- schizophrenia,
- bipolar disorder,
- severe substance use disorders,
- coronary heart disease,
- stroke,
- diabetes,
- epilepsy,
- asthma 12-month prevalence:
- current mood or anxiety disorder (excluding specific phobias),
- obsessive-compulsive disorder,
- trauma- and stressor-related disorders,
- somatic symptom disorder,
- eating disorder.
Key Trial Info
Start Date :
November 28 2023
Trial Type :
INTERVENTIONAL
Allocation :
ESTIMATED
End Date :
June 30 2024
Estimated Enrollment :
40 Patients enrolled
Trial Details
Trial ID
NCT06205108
Start Date
November 28 2023
End Date
June 30 2024
Last Update
January 12 2024
Active Locations (1)
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1
Section of Medical Psychology, University Hospital Bonn
Bonn, Germany