The Science of Humor
Hugh Pickens writes "The sense of humor is a ubiquitous human trait, yet rare or non-existent in the rest of the animal kingdom. But why do humans have a sense of humor in the first place? Cognitive scientist (and former programmer) Matthew Hurley says humor (or mirth, in research-speak) is intimately linked to thinking and is a critical task in human cognition because a sense of humor keeps our brains alert for the gaps between our quick-fire assumptions and reality. 'We think the pleasure of humor, the emotion of mirth, is the brain's reward for discovering its mistaken inferences,' says Hurley, co-author of Inside Jokes: Using Humor to Reverse-Engineer the Mind. With humor, the brain doesn't just discover a false inference — it almost simultaneously recovers and corrects itself. For example, read the gag that's been voted the funniest joke in the world by American men. So why is this joke funny? Because it is misleading, containing a small, faulty assumption that opens the door to a costly mistake. Humor is 'when you catch yourself in an error, like looking for the glasses that happen to be on the top of your head. You've made an assumption about the state of the world, and you're behaving based on that assumption, but that assumption doesn't hold at all, and you get a little chuckle.'"
http://web.media.mit.edu/~minsky/papers/jokes.cognitive.txt
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.nosig
Well, let's see.
Do you mean this joke:
Q: Two goldfish are in a tank.
A: One says, "Do you know how to drive this thing?"
That definitely has a loser: The person being told the joke is made to think "fish tank" by the context presented by the teller of the joke, and then is ambushed by the teller of the joke specifically by being made to know they were thinking incorrectly -- it's a military tank. The laughter comes from the listener when they realize they were wrong; from the teller at the realization of the listener they've been had. Dominance and submission, both.
Or did you have another "two goldfish" joke?
I just gave you one (abbreviated, but pretty obvious.)
Ever see a cat hide from another cat or dog, smack it on the head when it wanders by, and then "run away", but using very high leaps that aren't effective at distancing instead of the ground covering-speed they are actually capable of? That's an ambush, with a victim, delivered as social one-uppance, but clearly below the threshold of actual violence. Dominance. That's humor, straight up. The laughter *is* the "run."
Dolphins not only ambush and prank, they laugh at the victim's discomfort, too. Ask any dolphin handler. It can be pretty rough humor, too. Like, broken-bone rough. That's more of a reflection of just how powerful an animal they are as compared to humans, I think -- the same jokes on other dolphins wouldn't result in that kind of damage. They'll pull you under when you're swimming, spit water in your face, all kinds of dominating pranks.
Parrots... those are considerably harder to explain, as the behavior is, in fact, linked with their use of language, and that varies enormously by the individual parrot. I'm going to punt and say you need to live with one. They're bloody hilarious, though, believe me.
Dogs... they exhibit a wide range of intelligent behaviors (as do cats, for that matter), but as far as humor goes, just play "throw the stick" with one that hasn't been trained to fetch, and see how easy it isn't to get the stick back, and how the dog will tease in the manner of "I have the stick, here, it's almost in your reach, whoops, you're too slow, aren't you?" Straight up dominance, you're the victim, sub-violent. If you enjoy being teased, then we have submission as well (though note how quickly being teased gets old... submission is a hard place to maintain cheerfully.) It's humor.
I've fallen off your lawn, and I can't get up.