In her PEP Lab, Barb has investigated the effects of loving - kindness meditation (self - generated tenderness, warmth, and compassion for others)
on vagal tone, a physiologic measure of emotional regulation which has been associated with adaptability, social connection and bonding if high, and risk of inflammation, cardiovascular disease, and stroke if low.
Would be interested to see the study
on vagal tone if you want to pass along the link.
Yoga, mindfulness, meditation, and breath work have a strong impact
on vagal tone.
The positive impact that yoga has
on vagal tone helps regulate the nervous system, and helps to increase well - being and resilience to stress.
In your feature
on vagal nerve stimulation, HeartMath's Inner Balance Sensor was described and, apparently, recommended (13 July, p 46).
Not exact matches
I have only recently realized from extensive reading about the effects of early parenting
on body and brain development that I show the signs of undercare — poor memory (cortisol released during distress harms hippocampus development), irritable bowel and other poor
vagal tone issues, and high social anxiety.
Also seen to have action
on autonomic nervous system in the
vagal pathway, the effects
on body temperature, blood pressure, and anxiety have been well documented.
The investigators note that this might be because of yoga's impact
on stress reduction, «leading to positive impacts
on neuroendocrine status, metabolic and cardio -
vagal function.»
Group II and III mGluRs are present in synapses that can either excite or inhibit the
vagal nerve cells that send signals to the pancreas, and different outcomes can be seen depending
on which group of mGluRs glutamate acts upon.
On the other hand, low
vagal tone can contribute to multiple disorders, such as anxiety, intestinal problems, depression, and eating disorders.
Dr. Justin Marchegiani: Yeah, I was reading an interesting study just last week
on petting animals and it stimulating the
vagal nerve.
The Journal of Neurogastroenterology and Motility reported the novel finding that this bacteria's effect
on anxiety involves modulating the
vagal pathways within the gut - brain:
So how do you get your hands
on some of this healthy
vagal tone action when the going gets tough?
However, what I find the most interesting (and relevant to us, yoga teachers) is the
on - going conversation about the
vagal tone.
Modulatory effects of
vagal stimulation
on neurophysiological parameters and the cellular immune response in the rat brain during systemic inflammation
Maternal presence has a strong regulatory influence
on the ANS and HPA axis in rodents and primates (11, 43), and insecure attachment is associated with elevated cortisol reactivity and
vagal withdrawal in young children (44, 45).
For those new to Porges» work, he is noted as the originator of the Polyvagal Theory (PVT), which is his perspective of how our autonomic nervous system, dependent
on phylogenetic transitions / shifts that occurred between reptiles and mammals, resulted in specific adaptations in
vagal pathways regulating the heart, which in turn impact our lives.
Although many researchers have conducted HRV studies with patients with major depressive disorder (MDD), the results of these studies are in conflict.9 - 12) Most found reduced
vagal modulation in patients with MDD,13 - 16) whereas others did not find differences in HRV between patients and controls.11, 17,18) Antidepressant medication is assumed to have mixed effects
on HRV.
I have only recently realized from extensive reading about the effects of early parenting
on body and brain development that I show the signs of undercare — poor memory (cortisol released during distress harms hippocampus development), irritable bowel and other poor
vagal tone issues, and high social anxiety.
Fredrickson has done a lot of research
on the relationship between positivity resonance and
vagal tone, the quality of the connection between brain and heart.
A pilot study
on changes of cardiac
vagal tone in individuals with low trait positive affect: The effect of positive psychotherapy.
Moderate
vagal withdrawal in 3.5 year old children is associated with optimal performance
on executive function tasks