Sounds like just normal. When you feel it you know it. That jumping around sensation can start just like yours did. Mine starts at the base of my neck traveling up like the hairs on the back of my neck are standing up, but more relaxing and very nice. Feel like giggling inside, then shoots up to my scalp and down my arms and waves travel everywhere. Whole thing can be over in a few seconds. Experiencing the trigger over again still produces symptoms but maybe not so much/or in different places. You get to feel kind of drugged. I may not feel it if I listen to a song I love from beginning to end, but will if it’s a snippet of the chorus or lead up to it. A few minutes ago I got triggered from hearing a sample from iTunes of a song I bought recently. That song has a lot of trigger types in it. Sounds like whispers or gentle waves, light tapping beats, breathy singing, violins.
Have you ever had a pleasing reaction to something but were unable to articulate how it makes you feel because it makes absolutely no sense? For example, I love the smell of freshly opened tennis balls. I am fully aware that the smell shouldn’t be great, it’s hardly enticing on paper. If I had to describe it, I’d say it’s a musky, muddy, petroleum, rubbery odor. Sounds great, huh? Interestingly, there is a fraction of the population who, like me, loves this smell.
There is little scientific research on the phenomenon—the first scientific paper on it was published on the open-access journal PeerJ in 2015. That study had nearly 500 people who subscribed to Facebook or Reddit ASMR groups fill out a questionnaire about their online ASMR habits and why they engaged in them. Most people said they watched the videos to help them relax, de-stress, and get to sleep. (Only five percent said they watch the videos for sexual reasons.)
These reports have precipitated comparison between ASMR and synesthesia – a condition characterised by the excitation of one sensory modality by stimuli that normally exclusively stimulates another, as when the hearing of a specific sound induces the visualization of a distinct color, a type of synesthesia called chromesthesia. Thereby, people with other types of synesthesia report for example 'seeing sounds' in the case of auditory-visual synesthesia, or 'tasting words' in the case of lexical-gustatory synesthesia.
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. 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]