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  2. Vagal tone - Wikipedia

    en.wikipedia.org/wiki/Vagal_tone

    In most cases, vagal tone is not measured directly. Instead the processes affected by the vagus nerve – specifically heart rate and heart rate variability – are measured and used as a surrogate for vagal tone. Increased vagal tone (and thus vagal action) is generally associated with a lower heart rate and increased heart rate variability.

  3. Polyvagal theory - Wikipedia

    en.wikipedia.org/wiki/Polyvagal_theory

    The vagus nerve mediates the control of supradiaphragmatic visceral organs, such as the esophagus, bronchi, pharynx, and larynx. It also exerts an important influence on the heart. When vagal tone to the heart’s pacemaker is high, a baseline or resting heart rate is produced. In other words, the vagus acts as a restraint, or brake, limiting ...

  4. Vagal maneuver - Wikipedia

    en.wikipedia.org/wiki/Vagal_maneuver

    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 .

  5. Vagus nerve - Wikipedia

    en.wikipedia.org/wiki/Vagus_nerve

    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]

  6. Parasympathetic nervous system - Wikipedia

    en.wikipedia.org/wiki/Parasympathetic_nervous_system

    The vagus nerve plays a crucial role in heart rate regulation by modulating the response of sinoatrial node; vagal tone can be quantified by investigating heart rate modulation induced by vagal tone changes. As a general consideration, increased vagal tone (and thus vagal action) is associated with a diminished and more variable heart rate.

  7. What colors can cats see? Here's how your pet perceives the ...

    www.aol.com/colors-cats-see-heres-pet-110109011.html

    What does cat vision look like? Feline vision can be equated to that of a colorblind person, according to Purina. Cats see "muted tones of blues, yellows, greens and grays." When perceiving reds ...

  8. Seeing the number 1212 everywhere? Here's what it might mean

    www.aol.com/seeing-number-1212-everywhere-heres...

    There’s also a focus on cooperation, harmony and support in your relationships — romantic, platonic or at work. What does angel number 1212 mean for love? Angel number 1212 symbolizes balance.

  9. Trump uses image of Jill Biden to sell his perfumes and colognes

    www.aol.com/trump-uses-image-jill-biden...

    President-elect Trump shared an image of first lady Jill Biden when trying to sell his perfume Sunday. “Here are my new Trump Perfumes & Colognes! I call them Fight, Fight, Fight, because they ...