Jan 11, 2022 · The vagus nerve, also known as the vagal nerves, are the main nerves of your parasympathetic nervous system. This system controls specific body functions such as your digestion, heart rate and immune system.

The fourth, your vagus nerve, connects to part of your mouth and also extends down through your neck to your chest and abdomen (belly). Your vagus nerve makes up about 75% of your parasympathetic nervous system overall, connecting to your heart, lungs and …

Dec 22, 2021 · Vagal maneuvers are physical actions that make your vagus nerve act on your heart’s natural pacemaker, slowing down its electrical impulses. Your vagus nerve — which goes from your brainstem to your belly — plays a major role in your parasympathetic nervous system, which controls a number of things in your body, including heart rate .

Mar 16, 2022 · Vagus nerve stimulation (VNS) uses an implanted device to send an electrical pulse to your vagus nerve, which then travels to your brain. VNS is used to treat epilepsy, depression and as a rehabilitation aid for stroke.

Aug 15, 2024 · Vagus nerve (CN X): Regulating several automatic bodily processes, including your digestion, blood pressure, heart rate, breathing, mood, saliva production and more. It’s the main nerve of your parasympathetic nervous system.

Jan 11, 2022 · The glossopharyngeal nerve is the ninth set of 12 cranial nerves (CN IX). It provides motor, parasympathetic and sensory information to your mouth and throat. Among its many functions, the nerve helps raise part of your throat, enabling swallowing.

The vagus nerve mediates various reflexes that operate within your gut in response to changing conditions, like chemical changes or the presence of food. These are called vagal reflexes. Intrinsic vagal reflexes operate within your enteric nervous system without involving your brain.

Jun 21, 2022 · Instead of cutting the trunk of the tree, a highly selective vagotomy cuts only the branch of the vagus nerve that triggers stomach acid. This branch connects to the parietal cells in your stomach that release gastric acid.

Your olfactory nerve is the first cranial nerve (CN I). This nerve enables your olfactory system and sense of smell. Many conditions can affect cranial nerve 1, including COVID-19, diabetes and Alzheimer’s. It’s important to see your healthcare provider for difficulties with your sense of smell.

“Dysautonomia” is the general term for disorders that disrupt your autonomic nervous system (ANS). It can describe several disorders, each with varying symptoms. Dysautonomia can range from mild to severe. Other less common names for dysautonomia are autonomic dysfunction or autonomic neuropathy.