Though the emotions of dogs can't be directly translated to those of humans, they experience forms of joy, sadness, shame, jealousy and grief. Research also indicates they may have their own form of laughter.
Since dogs are social and cooperative animals, they experience feelings that aid in living in a pack. Joy is expressed by bounding, jumping and barking. A form of shame is expressed when the dog anticipates being punished for something. Dogs also can display jealousy as demonstrated by an experiment in which the dogs stopped responding to commands if other dogs were rewarded but they were not. Dogs also express a kind of laughter in the form of panting during play.