1 rich Libsyn https://www.libsyn.com 90 600 Giggles, guffaws, or belly laughs -- whenever we crack up, we're communicating more than we realize. Laughter, says Dr. Sophie Scott, a neuroscientist at University College London as well as a standup comic, is pretty complicated. It's a way of expressing group membership and affection (as long as nobody is laughing AT you) and involves a physical reaction as well as an emotional one. Scott can make you laugh -- and then explain why you did! This Is Your Brain With Dr. Phil Stieg https://thisisyourbrain.com <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/27570465/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/000000/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/156747093