The explanation behind this physiological reaction lies in the brain. "It's likely that the tingling is due to specific neurochemicals (like oxytocin and endorphins) being released during ASMR—and these neurochemicals are also inducing the deep feeling of relaxation," says Craig Richard, PhD, an ASMR researcher, professor at Shenandoah University in Virginia, and author of Brain Tingles. In a 2018 study published by Richard and his colleagues, they found that ASMR activated similar regions of the brain as those activated during affiliate behaviors, which includes interpersonal bonding (such as parent-infant bonding) along with grooming and care-giving behaviors that involve positive personal attention. These behaviors share similar triggers with ASMR, such as gentle touch, soft voices, focused attention, and a bond of trust.

She was soon feeling so much better that she decided to film herself eating some spaghetti, and ASMRTheChew was born. She now has more than 400,000 YouTube subscribers, and her ASMR whispering and eating videos, aimed to help viewers with issues ranging from anxiety to insomnia, have been watched over 85 million times on that platform alone. (She has also gone viral on Instagram).
OH.MY.GOD. I just read an article in, of all places, the Daily Mail (I know, shame on me) which lead me to this. I have tried a few times to explain this sensation to people and they look at me like I’m deranged, so I stopped. And then I discover here that it’s a real ‘thing’, and then I discover someone whose trigger is exactly the same as mine! Other people touching things that belong to me! That’s it. It only happens then. The last time it happened was when my children were babies and people touched them. Before that it was things like my pencil case or books when I was at school. Then, when I was older, it was things like my make up bag. Weird. Anyway, I hear ya, and I’m so amused to have discovered that other people have it too.
You can kind of understand why. To people who don't experience ASMR, the videos can rightly look completely ridiculous. Also, because a sense of intimacy can be a very powerful trigger, it's no surprise that some of the best artists are very attractive girls, and there's clearly some personal security risks when you're putting your face out there and developing strange online relationships with people who might start to rely on a false sense of intimate connection with you.
So far there have been two scientific studies successfully published, both by researchers based in the UK. The first from Swansea University was published on PeerJ March 26th 2015 entitled ‘Autonomous Sensory Meridian Response (ASMR) – A flow like mental state’ which concluded ‘We have provided the first investigation into the phenomenon of autonomic sensory meridian response (ASMR). ASMR can be induced, in those who are susceptible, by a fairly consistent set of triggers. Given the reported benefits of ASMR in improving mood and pain symptoms, we suggest that ASMR warrants further investigation as a potential therapeutic measure similar to that of meditation and mindfulness’
Allen verified in a 2016 interview that she purposely selected these terms because they were more objective, comfortable, and clinical than alternative terms for the sensation.[10] Allen explained she selected the word meridian to replace the word orgasm due to its meaning of point or period of greatest prosperity.[clarification needed][citation needed]
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