1 rich Libsyn https://www.libsyn.com 90 600 Here’s more involuntary neuroscience: spinal reflexes. They’re so involuntary, your brain doesn’t even know they happened. Full notes at headshake.show/episodes/33 Headshake https://headshake.show <iframe title="Libsyn Player" style="border: none" src="//html5-player.libsyn.com/embed/episode/id/18767687/height/90/theme/custom/thumbnail/yes/direction/forward/render-playlist/no/custom-color/88AA3C/" height="90" width="600" scrolling="no" allowfullscreen webkitallowfullscreen mozallowfullscreen oallowfullscreen msallowfullscreen></iframe> https://assets.libsyn.com/secure/content/101150360