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Vagus nerve stimulation (VNS) is a medical treatment that involves delivering electrical impulses to the vagus nerve. It is used as an add-on treatment for certain types of intractable epilepsy , cluster headaches, treatment-resistant depression and stroke rehabilitation.
Measurements of vagal tone can be performed by means of either invasive or noninvasive procedures. Invasive procedures are in the minority and include vagus nerve stimulation by specific manual, breathing or electrical techniques. Noninvasive techniques mainly rely on the investigation of heart rate and heart rate variability. [4] [5] [6]
A vagal maneuver is an action used to stimulate the parasympathetic nervous system by activating the vagus nerve.The vagus nerve is the longest nerve of the autonomic nervous system and helps regulate many critical aspects of human physiology, including heart rate, blood pressure, sweating, and digestion through the release of acetylcholine.
Vagus nerve stimulation therapy improved the symptoms of treatment-resistant depression for nearly 500 participants in a major clinical trial. ... and you have to learn coping techniques and all ...
Vagus nerve stimulation (VNS) [27] Hypoglossal nerve stimulation, an option for some patients who have obstructive sleep apnea [28] Percutaneous tibial nerve stimulation (PTNS) for the treatment of incontinence. Peripheral nerve stimulation (PNS, which refers to simulation of nerves beyond the spine or brain, and may be considered to include ...
The vagus nerve is also responsible for regulating inflammation in the body, via the inflammatory reflex. [7] Efferent vagus nerve fibers innervating the pharynx and back of the throat are responsible for the gag reflex. In addition, 5-HT 3 receptor-mediated afferent vagus stimulation in the gut due to gastroenteritis is a cause of vomiting. [8]
Vagus nerve stimulation can have side effects such as hoarse voice, pain in the throat, or change in voice. [1] In responsive neurostimulation (RNS), an electric generator device is placed in the skull to directly monitor brain activity and stop seizures via electrical stimulation. Electrical stimulations do not cause any pain or other reaction ...
Therefore, retinal, optic nerve and visual cortex stimulation are the three different methods used in visual prostheses. [31] Retinal degenerative diseases, such as retinitis pigmentosa (RP) and age-related macular degeneration (AMD), are two likely candidate diseases in which retinal stimulation may be helpful.