twenty four seven is just a coincidence that everything you know is wrong joining me now is dr gregory berns author of the book dog how dogs love us a neuroscientist and his adopted dog decode the canine brain dr burns welcome it's great to be here thanks for joining us what prompted you to study the relationship between man and dog i've always been a dog although i spent my entire career studying human brains it was actually one of my favorite dogs. passed away several years ago that got me wondering what was going on in his head and whether he loved me in that kind of the same way that i loved him so you did an m.r.i. on one ear dogs why and what did you learn and maybe you want to very quickly explain what an m.r.i. is sure an m.r.i. is tool that we use for medical imaging primarily although it research we use it to study brain function basically by looking at changes and blood flow and this is what we've been doing in humans for twenty years so. after we kind of hit upon this idea to apply it to dogs big challenge was training dogs to go in an m.r.i. because if we want to study brain fun