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FND & Anxiety: It’s Not What You Think (2025 Research Update) 🧠⚡

The Big Takeaway: Anxiety is not a requirement for an FND diagnosis, nor is it the "cause." Instead, it’s a biological co-driver.

What the latest research (2024-2025) tells us:
It’s Brain "Software": FND is a disorder of brain network connectivity. While anxiety can trigger symptoms, the root issue is how the brain sends and receives signals.

The "Limbic Shortcut": Neuroimaging shows a physical "shortcut" between the brain’s emotion center and its movement center. Stress can bypass the conscious mind and turn directly into a physical tremor or seizure.

Interoception: FND patients may have "hyper-awareness" of internal signals (like heart rate). The brain misinterprets these signals, accidentally triggering a motor episode.

New Treatments: We’re moving beyond general talk therapy toward FND-informed CBT and Neuromodulation (TMS) to retrain the brain’s sense of control.

Bottom line: Anxiety is often a consequence of living with FND, not the reason you have it.