Oxytocin system linked to childhood trauma in functional neurological disorder
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A study led by Natascha Stoffel of the University of Fribourg in Switzerland, published in Comprehensive Psychoneuroendocrinology, found that genetic variations alone do not cause Functional Neurological Disorder, but interactions between genetics, epigenetics and salivary oxytocin levels may explain how patients process bodily signals and childhood trauma. The disorder, which sits between psychiatry and neurology, causes genuine symptoms such as tremors, weakness and non-epileptic seizures without structural brain disease, and patients often report childhood trauma and disrupted interoception, the brain's sensing of internal body signals.
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