Service dogs don't understand that their owners are blind

http://blogs.discovermagazine.com/seriouslyscience/2014/07/01/service-dogs-dont-understand-owners-blind/#.U7P0ltB_W2c / guide dogs help blind owners navigating public transportation preventing crossing streets in traffic dogs know what they need to dodo they know why they are needed French anthropologist filmed guide dogs pet dogs asking owners for food both groups used visual cues indicate their desire looking back and forth between food dish owner guide dogs continued to use sight based communication learn that sounds can help communicate owners licked their chops more frequently than the dogs of sighted owners auditory cue guilty look Canis familiaris eyes of humans as a cue during human dog interactions interactive modalities guide dogs pet dogs differ accessing food gazing at the container gazing at the owner sonorous mouth licking vocalisation contact with the owner incidental learning new distal cue dogs have a poor ability to generalise /