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Published on: May 10, 2017
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Neurophysiological changes associated with vibroacoustically-augmented breath-focused mindfulness for dissociation:
Negar Fani1, Alfonsina Guelfo1, Dominique L La Barrie2
1Department of Psychiatry, Emory University, Atlanta, GA, USA.
Psychological Medicine
|May 5, 2023
Summary
Vibration feedback during breath focus (VBFM) improved interoception and attention in trauma-exposed women with dissociative symptoms. This novel approach enhances mind-body interventions by addressing key barriers to treatment.
Area of Science:
- Neuroscience
- Psychology
- Medical Engineering
Background:
- Trauma can lead to dissociative symptoms that impair attentional control and interoception.
- These impairments create barriers to effective mind-body interventions like breath-focused mindfulness (BFM).
- Exteroceptive augmentation using real-time vibration feedback (VBFM) was developed to overcome these barriers.
Purpose of the Study:
- To test if VBFM enhances interoceptive processes in trauma-exposed women with dissociative symptoms.
- To evaluate VBFM's effect on attentional control and autonomic regulation.
- To assess VBFM's impact on brain network connectivity related to emotion and interoception.
Main Methods:
- 65 women with trauma exposure and dissociative symptoms participated.
- Interventions included 6 sessions of either BFM or VBFM.
- Measures included self-report interoception, electrocardiography for heart rate variability (HRV), and functional MRI during an affective attentional control task.
Main Results:
- VBFM significantly increased interoception, particularly trust in body signals, compared to BFM alone.
- Participants receiving VBFM showed enhanced sustained attention and increased functional connectivity between emotion processing and interoceptive networks.
- Intervention type moderated the relationship between changes in interoception, dissociation, and HRV.
Conclusions:
- Vibration feedback during breath focus (VBFM) offers greater improvements in interoception and sustained attention.
- VBFM enhances connectivity in emotion processing and interoceptive networks.
- Augmenting BFM with vibration is a promising approach for improving interoception, attention, and autonomic regulation, potentially serving as monotherapy or addressing treatment barriers.
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