This is the first time I've heard about ASMR, thank you for the link, not sure if it's placebo, but watching this video was... interesting: https://www.youtube.com/watch?v=erTe2wkxc-g

This article provides some context: http://www.washingtonpost.com/lifestyle/style/a-whisper-then...

Strangely, the voice in the video makes me uncomfortable.