What do scientists really know about ASMR? what do you know about it?

ASMR..are those pleasurable brain tingles you get from certain relaxing sounds such as when people slowly murmur to themselves or brush your hair. You might get them from watching this video http://www.youtube.com/watch?v=xS2_TLQySAM i researched ASMR and the only thing it really told me was that it was a... show more ASMR..are those pleasurable brain tingles you get from certain relaxing sounds such as when people slowly murmur to themselves or brush your hair. You might get them from watching this video

http://www.youtube.com/watch?v=xS2_TLQySAM

i researched ASMR and the only thing it really told me was that it was a tingly pleasurable sensation from certain stimuli...There's really nothing else on it? what do you know about it?
Update: ASMR i'm talking about stands for Autonomous Sensory Meridian Response
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