Influence of Oxytocin on Resting State Neurophysiological Measures
Study Details
Study Description
Brief Summary
In this study, the investigators will explore the influence of oxytocin administration on several neurophysiological responses (EEG, skin conductance and heart rate) during rest.
Condition or Disease | Intervention/Treatment | Phase |
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Phase 1 |
Detailed Description
Oxytocin is known to influence several neurophysiological measures, such as heart rate, EEG and skin conductance during specific tasks (e.g., emotion recognition, fear learning and extinction). However, not much is known about the influence of oxytocin on those measures during rest. Therefore, in this randomized, placebo controlled, double blinded study, the investigators will investigate the influence of oxytocin during a resting period of 5 minutes. Heart rate, skin conductance, respiration and EEG will be measured before and after oxytocin or placebo administration. The investigators expect that oxytocin will increase the heart rate variability and decrease the skin conductance levels. Exploratory, the investigators will conduct a cross-frequency analysis of band power and asses the relationship between distinct indexes of sympathetic / parasympathetic balance.
Please note that this study is part of a larger study in which the investigators also asses the influence of oxytocin on neurophysiological responses elicited by direct gaze
Study Design
Arms and Interventions
Arm | Intervention/Treatment |
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Experimental: Oxytocin Syntocinon nasal spray (40 IU/ml; oxytocin, product code RVG 03716); single intranasal dose of 24 international units (IU; 3 puffs of 4 IU per nostril) |
Drug: Oxytocin
Syntocinon nasal spray
Other Names:
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Placebo Comparator: Placebo saline natriumchloride solution nasal spray; single intranasal dose (3 puffs per nostril) |
Drug: Placebo
Placebo nasal spray
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Outcome Measures
Primary Outcome Measures
- Change in heart rate variability after oxytocin administration [Assessment over 5 minutes, before and after oxytocin or placebo administration]
The influence of oxytocin administration on heart rate variability
Secondary Outcome Measures
- Change in skin conductance level after oxytocin administration [Assessment over 5 minutes, before and after oxytocin or placebo administration]
The influence of oxytocin administration on skin conductance level
Eligibility Criteria
Criteria
Inclusion Criteria:
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right-handed
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male
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age between 18 and 35
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Normal or adjusted-to-normal vision (with lenses only)
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Dutch as mother tongue
Exclusion Criteria:
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not right-handed
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female
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age below 18 or above 35
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Need to wear glasses
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Dutch not as mother tongue
Contacts and Locations
Locations
Site | City | State | Country | Postal Code | |
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1 | KU Leuven | Leuven | Belgium | 3000 |
Sponsors and Collaborators
- KU Leuven
- Research Foundation Flanders
Investigators
- Principal Investigator: Kaat Alaerts, PhD, KU Leuven
Study Documents (Full-Text)
None provided.More Information
Publications
None provided.- SingleOT_REST_S56327