Hello, I have recently started using a Truvega. I appreciate that the technology is different to your ultrasound device, but i notice that the placement on the neck is entirely different too. The Truvega is placed down from the corner of the mouth following the line of the neck pulse. I just wondered if you could explain the difference there? Many thanks.

When you apply electrical stimulation to the auricular branch or ultrasound along the neck, you are directly modulating the Vagus nerve. This tenth cranial nerve originates in the medulla oblongata, descending behind the carotid artery to bridge the brainstem with the viscera. It is the primary conductor of the parasympathetic system. It governs heart rate, diaphragmatic breath, and the modulation of systemic inflammation via the cholinergic anti-inflammatory pathway. Notably, 80% of vagal fibers are afferent, carrying signals upward from the gut to the brain. This "neuroception" links the enteric nervous system’s 500 million neurons directly to emotional regulation and ventral vagal calm. Targeted stimulation trains "vagal tone," providing the physiological brake necessary to down-regulate fight-or-flight and initiate recovery. Our module details the anatomical tour and precise habits to optimize this circuit. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5859128/ https://www.polyvagalinstitute.org/ https://pubmed.ncbi.nlm.nih.gov/29593576/ https://www.skool.com/vagus/classroom/d63d0b7b?md=1bce73d42d134b618bc9274bb57e4cfc

We’ve been taught our emotions and health are innate parts of who we are. But what if they’re just poorly tuned frequencies? Vagus Nerve Stimulation (VNS) isn’t just a medical fix for epilepsy or depression. It’s a hardware update for the human operating system. By sending electrical pulses or ultrasound waves into the cervical nerve, we are literally overriding the body’s "natural" state. We can now manually inhibit seizures, kill inflammation, and force the heart into a specific rhythm. If a machine can flip a switch to erase your anxiety or modulate your immune system, where does "you" end and the technology begin? VNS treats the autonomic nervous system like a circuit board rather than a biological mystery. Are you still in control of your "gut feeling" when an ultrasound beam is selectively activating your nerve fibers from the outside? We are entering an era where biological destiny is a choice. A world where "feeling good" is a matter of frequency, not philosophy. What happens when we stop treating disease and start programming human behavior? https://www.skool.com/vagus/classroom/4d7222e2?md=84dd1b644b3f4b398e79861564632b31

Imagine if your body had a "mute" button for inflammation. It turns out we actually have a volume knob, and it’s called the Vagus Nerve. Think of it as the superhighway connecting your brain to your gut. Usually, it’s busy telling you that you’re full or that you definitely shouldn't have eaten that third street taco. Scientists decided to give this nerve a little nudge—a tiny implant that acts like a lo-fi "chill-out" playlist for the immune system. They tracked a group of Crohn’s patients for a whole decade to see if the vibes held up. The results? Some patients spent ten years in remission without any other meds. They basically traded their pharmacy for a tiny internal peacemaker. Zapping your "peacemaker nerve" didn’t just calm the gut, either. It also lowered anxiety and dialed down pain from a "loud drum solo" to a "gentle background hum." We’re finally learning how to hack our own biology to tell the body, "Hey, maybe stop attacking the snacks?" Bioelectronics might just be the future of gut-brain harmony. https://pmc.ncbi.nlm.nih.gov/articles/PMC13088470

Recent research identifies the vagus nerve as a primary mediator in reversing age-related cognitive decline. In aging organisms, gut microbial dysbiosis—specifically an increase in *Parabacteroides goldsteinii*—triggers chronic intestinal inflammation. This metabolic shift silences vagal signaling, effectively severing the communication between the gut and the hippocampus. The result is a significant loss in synaptic plasticity and neurogenesis, the fundamental drivers of memory formation. Non-invasive auricular vagus nerve stimulation (VNS) in aged mice demonstrates a profound reversal of this pathology. By activating α7nAChR on gut macrophages, VNS suppresses pro-inflammatory cytokines and restores vagal-gut-brain communication. Behavioral data shows memory performance returning to youthful levels, suggesting that cognitive aging is not hardwired but actively modulated by the gut-brain axis. This highlights the potential for bioelectronic therapies to extend cognitive lifespan through the periphery. https://med.stanford.edu/news/all-news/2026/03/gut-brain-communication-aging.html https://neurosciencenews.com/vagus-nerve-memory-aging-25745/ https://www.nature.com/articles/s41586-026-08561-1 https://neurosciencenews.com/gut-vagus-nerve-memory-reversal-30295