This visualisation triggers it for me! http://earth.nullschool.net/#2014/12/11/0900Z/wind/surface/level/orthographic=-124.80,34.67,1154 http://earth.nullschool.

This visualisation triggers it for me! http://earth.nullschool.net/#2014/12/11/0900Z/wind/surface/level/orthographic=-124.80,34.67,1154 http://earth.nullschool.net/#2014/12/11/0900Z/wind/surface/l... I also experience the 'frisson' sensation mentioned in the article. It usually happens when I visualise something slightly strange or funny! I have to physically shake it off.