I'm putting this here coz.... um... I guess it has a spiritual aspect. So Automatic Sensory Meridian Response (ASMR) is that feeling you get when someone is talking softly and you get a tingling sensation in your head, neck etc. It can be triggered by various other sounds or hand movements etc. There's a ton of videos on YouTube. I've become slightly addicted to them (especially the 10 hour long videos of rain on a tent... my favourite). Here's just a taste of some of them (it's best to listen with headphones).