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Tuesday, April 13, 2021

Secrets of Traumatic Stress Hidden in the Brain Are Exposed | Nutrition Fit


Summary: Study sheds light on the effects of allostatic closed-loop neurotechnology on functional brain connectivity in those with traumatic stress.

Source: Cereset

HIRREM (the legacy research technology of Cereset – a Brain State Company) was utilized by the Wake Forest School of Medicine to study symptoms of traumatic stress in military personnel before and after use of Cereset (legacy) intervention.

Whole brain, resting state magnetic resonance imaging (MRI) was done pre- and post- Cereset intervention. Significant effects on brain network connectivity have been previously reported.

For the current study, lateralization of brain connectivity was analyzed. Lateralization here refers to the distribution of brain connections within the right, and left side, or to the opposite side. This is important because common lobes in the right and left hemispheres of the brain execute different functions. Of note for these results, the parasympathetic division of the autonomic nervous system (which we think of as the “brake to rest and digest”) is managed primarily on the left, and the sympathetic division (which we think of as the “gas to go”) is driven primarily on the right.” Thus, the dominant left is a “freeze or numbing” response indicator, and in contrast, a dominant right is the “fight or flight” response indicator.

Asymmetries were identified at baseline, along with changes in lateralization patterns after Cereset. Significant correlations were seen between whole-brain lateralization and symptoms of posttraumatic stress. These findings help to understand the effects of and how best to treat traumatic stress.

The brain is the organ of central command which activates and manages autonomic responses to trauma and stress. Results of this study support the model of bihemispheric autonomic management of traumatic stress (BHAM), proposed by Brain State and Wake Forest 6 years ago. Regulated connections of the brain appear to be the upstream driver of health and wellbeing. When connections between hemispheres are more balanced, individuals are healthier.

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Of note is the basis for this brain movement towards a healthier pattern. Cereset merely reflects the brain’s own electrical patterns using engineered tones to represent dominant brain frequencies. The client receiving Cereset is comfortably seated in a reclining chair to listen to the brain generated tones or BrainEcho®. This supports the brain to relax, to change, and to reset itself to improve balance and symmetry, which is associated with reduced symptoms of traumatic stress.

This shows brain scans from the study
Maps showing the location and extent of the regions of interest used in this study on the effects of an allostatic closed-loop neurotechnology (HIRREM) on brain functional connectivity laterality in military-related traumatic stress. Montreal Neurological Institute coordinates are listed below each slice. Credit: Cereset and Wake Forrest School of Medicine

Many prior clinical studies have demonstrated benefits associated with the use of Cereset for symptoms of insomnia, depression, stress, anxiety, concussion, hot flashes, postural orthostatic tachycardia, and migraine. The current and previous clinical trials also included objective outcome measures such as heart rate variability to demonstrate significant improvement in autonomic function. Symptom benefits were durable for up to 6 months in the current study, and autonomic improvement was durable through the final follow-up visit at 4 months in a placebo-controlled trial for insomnia.

The addition of the MRI lateralization findings reported in this study and the correlation with symptoms not only support the BHAM model but also point to a mechanism of effect for the clinical benefits previously reported with Cereset. Symptoms associated with trauma, stress, and allostatic load now affect a majority of the population. Cereset noninvasively supports the brain to balance and regulate itself with resulting benefits for psychological symptoms of traumatic stress and improved autonomic function.

Funding: Funding for this study was provided by: The Susanne Marcus Collins Foundation Inc., Joint Capability Technology Demonstration Program within the Office of the Under Secretary of Defense, US Special Operations Command, and the Wake Forest Clinical and Translational Science Institute.

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About this neurotech research news

Source: Cereset
Contact: Lee Gerdes – Cereset
Image: The image is credited to Cereset and Wake Forrest School of Medicine

Original Research: Open access.
Effects of an Allostatic Closed‐Loop Neurotechnology (HIRREM) on Brain Functional Connectivity Laterality in Military‐Related Traumatic Stress” by Dale E. Dagenbach et al. Journal of Neuroimaging


Abstract

See also

This shows an older woman

Effects of an Allostatic Closed‐Loop Neurotechnology (HIRREM) on Brain Functional Connectivity Laterality in Military‐Related Traumatic Stress

BACKGROUND AND PURPOSE

Brain asymmetries are reported in posttraumatic stress disorder, but many aspects of laterality and traumatic stress remain underexplored. This study explores lateralization changes in resting state brain network functional connectivity in a cohort with symptoms of military‐related traumatic stress, associated with use of a closed‐loop neurotechnology, HIRREM.

METHODS

Eighteen participants (17 males, mean age 41 years [SD = 7]) received 19.5 (1.1) HIRREM sessions over 12 days. Whole brain resting magnetic resonance imaging was done pre‐ and post‐HIRREM. Laterality of functional connectivity was assessed on a whole brain basis, and in six predefined networks or regions. Laterality of connectivity within networks or regions was assessed separately from laterality of connections between networks or regions.

RESULTS

Before HIRREM, significant laterality effects of connection type (ipsilateral for either side, or contralateral in either direction) were observed for the whole brain, within networks or regions, and between networks or regions. Post‐HIRREM, there were significant changes for within‐network or within‐region analysis in the motor network, and changes for between‐network or between‐region analyses for the salience network and the motor cortex.

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CONCLUSIONS

Among military service members and Veterans with symptoms of traumatic stress, asymmetries of network and brain region connectivity patterns were identified prior to usage of HIRREM. A variety of changes in lateralized patterns of brain connectivity were identified postintervention. These laterality findings may inform future studies of brain connectivity in traumatic stress disorders, with potential to point to mechanisms of action for successful intervention.



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