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World’s largest childhood trauma study uses AI to uncover brain rewiring



The world’s largest brain study of childhood trauma has revealed how it impacts development and rewires vital pathways. 

The University of Essex study – led by the Department of Psychology’s Dr Megan Klabunde – revealed a disruption in neural networks involved in self-focus and problem-solving.

This means that under-18s who experienced abuse will likely struggle with emotions, empathy and understanding their bodies.

Difficulties in school caused by memory, hard mental tasks and decision making may also emerge, the study revealed.

The research used AI to re-examine hundreds of brain scans and identify patterns.

It is hoped that it will help hone new treatments for children who have endured mistreatment.

This could mean that therapists focus on techniques that rewire these centres and rebuild their sense of self.

Dr Klabunde said: “Currently, science-based treatments for childhood trauma primarily focus on addressing the fearful thoughts and avoidance of trauma triggers.

“This is a very important part of trauma treatment. However, our study has revealed that we are only treating one part of the problem.

“Even when a child who has experienced trauma is not thinking about their traumatic experiences, their brains are struggling to process their sensations within their bodies.

“This influences how one thinks and feels about one’s ‘internal world’ and this also influences one’s ability to empathise and form relationships.”

The researcher reviewed 14 studies involving more than 580 children for the research published in Biological Psychiatry Cognitive Neuroscience and Neuroimaging.

The paper re-examined functional magnetic resonance imaging or fMRI scans.

The procedure highlights blood flow in different centres, showing neurological activity.

The study revealed a marked difference in traumatised children’s default mode (DMN) and central executive networks (CEN) – two large scale brain systems.

The DMN and the posterior insula are involved in how individuals sense their body, the sense of self and their internal reflections.

New studies are finding that the DMN plays an important role in most mental health problems – and may be influenced by experiencing childhood trauma.

The CEN is also more active than in healthy children, which means that children with trauma histories tend to ruminate and relive terrible experiences when they are triggered.

Dr Klabunde hopes that the study will be a springboard to find out more about how trauma affects developing minds.

She said: “Our brain findings indicate that childhood trauma treatments appear to be missing an important piece of the puzzle.

“In addition to preventing avoidance of scary situations and addressing one’s thoughts, trauma therapies in children should also address how trauma’s impacts on one’s body, sense of self, emotional/empathetic processing, and relationships.

“This is important to do so since untreated symptoms will likely contribute to other health and mental health problems throughout the lifespan.”

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