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Published on: November 30, 2015
Social support, oxytocin, and PTSD
Miranda Olff1, Saskia B J Koch2, Laura Nawijn2
1Department of Psychiatry, Academic Medical Center, University of Amsterdam, Amsterdam, The Netherlands; Arq Psychotrauma Expert Group, Diemen, The Netherlands; m.olff@amc.nl.
Intranasal oxytocin reduced amygdala reactivity to emotional stimuli in posttraumatic stress disorder (PTSD) patients. This suggests oxytocin may be a promising therapeutic agent for PTSD treatment.
Area of Science:
- Neuroscience
- Psychiatry
- Pharmacology
Background:
- Social support is crucial for PTSD recovery.
- The oxytocin system modulates social bonding and stress, potentially mitigating PTSD.
- Amygdala hyperactivity is a hallmark of PTSD.
Purpose of the Study:
- Investigate neurobiological mechanisms of intranasal oxytocin for PTSD.
- Assess oxytocin's effects on emotional processing and neural activity in PTSD.
Main Methods:
- Functional magnetic resonance imaging (fMRI) studies.
- Administered intranasal oxytocin to trauma-exposed individuals and police officers.
- Examined amygdala reactivity to emotional faces.
Main Results:
- Single oxytocin administration decreased bilateral amygdala reactivity in PTSD patients compared to controls.
- Observed reduced amygdala response to emotional faces.
Conclusions:
- Oxytocin shows potential for PTSD treatment.
- Further intervention studies, including oxytocin-enhanced psychotherapy, are warranted.
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