Has Superstition Evolved To Help Mankind Survive?

Pickens writes "The tendency to falsely link cause to effect — a superstition — is occasionally beneficial, says Kevin Foster, an evolutionary biologist at Harvard University. For example, a prehistoric human might associate rustling grass with the approach of a predator and hide. Most of the time, the wind will have caused the sound, but 'if a group of lions is coming there's a huge benefit to not being around.' Foster worked with mathematical language and a simple definition for superstition to determine exactly when such potentially false connections pay off and found as long as the cost of believing a superstition is less than the cost of missing a real association, superstitious beliefs will be favored. In modern times, superstitions turn up as a belief in alternative and homeopathic remedies. 'The chances are that most of them don't do anything, but some of them do,' Foster says. Wolfgang Forstmeier argues that by linking cause and effect — often falsely — science is simply a dogmatic form of superstition. 'You have to find the trade off between being superstitious and being ignorant,' Forstmeier says. By ignoring building evidence that contradicts their long-held ideas, 'quite a lot of scientists tend to be ignorant quite often.'"

Comments

Superstition prevents congitive failures

[catbutt]

Our brains are made to continue to think about things until we figure them out....that's what curiousity is and it's key to intelligence.

Problem is, if our brain is unable to find the answer, it's best to have some sort of exception handler break it out of the loop. That's where superstition comes in. So we don't spend all day trying to answer questions about, say, how we came to be, as opposed to trying to figure out why our bow and arrow doesn't shoot as straight as we'd like.

That's my theory anyway.

Re:Placebo effect

[AoT]

The placebo effect is when you get the effects of having taken a medicine when you didn't really take it, so it would be beneficial because you could cure diseases, or maybe just symptoms, without actually needing an effective agent, just an agent that you believed to be effective.

Isn't that kind of stupid to have a brain evolve a feature just to counteract another arbitrary feature?

Maybe, but evolution can be pretty stupid sometimes. It works pretty much by brute force, sometimes literally, so it ends up taking strange routes. Remember, evolution is not guided, not stupid or smart, just a natural process.

Re:Ignorance pleaded - would have worked too

[Jason Levine]

Why not tell them right away: You may drown.

One day while driving, my five year old managed to unlock and open his car door. The door stayed mostly shut long enough for me to pull over and close it. I sternly warned him that if he did that again, he could fall out of the car and be seriously hurt. When he didn't seem phased by that, I told him that his toy could fall out of the open door and be lost. He got very frightened and promised not to do that again. (He hasn't.) Why the different reaction? I think that falling out of a car and being seriously hurt is an abstract concept to him. He just can't really imagine what it would feel like. But losing a toy that he likes, that he can easily imagine. Sometimes with kids the bigger threat isn't the one that they can wrap their minds around and thus isn't the scarier option.

Re:Placebo effect

[obeymydog]

The placebo effect isn't really confined to subjective measures, at least not according to the results of modern neurophysiological investigation. The reason is that lots of the chemical activities involved with consciousness/thought have effects that extend beyond individual subjectivity, into immune and endocrine function, for instance (the field of psychoneuroimmunology is starting to identify some compelling examples).

Re:Religion

[thermian]

As far as I'm concerned the same thing can be said of religion. Thousands of years ago, before we scientifically understood everything, we had religion to give us an inaccurate but constructive understanding of our world and our existence. However now religion has become obsolete and more accurate and scientific things are taking its place. This is obvious to me. I don't understand why all the Republicans don't get it.

Religion wasn't obsoleted by science so much as by disease, at least in the west.
Religion had a firm grip until the Black Plague hit Europe in the Middle Ages.

During that time people felt, with good reason, that the church should be doing its job and getting God to sort it all out.
This didn't happen, so there was a trend towards being less included to obey the church, and the first recorded attack on a monk by members of the public (an unbelievable event at the time).

It didn't help the church that the survivors felt, rightly, that they were entitled to make a lot more decisions on their own about work, pay, housing and such. No longer were they satisfied with doing what they were told and being content with what they had.

Following the plague, whilst religion regained some of its influence, especially in rural area's, its hold was never again universal, and has been in decline since.

Science doesn't help, that's for sure, but you can't shake a true believer with science. The only thing likely to turn them is the belief that God has let them down somehow.

Re:Placebo effect

[Mr. Slippery]

If I could explain the placebo effect I'd be a millionaire.

The problem is that there are several different things that get lumped under the label "placebo effect":

• Patient experiences no difference in their perception of symptoms, but feels compelled by social pressure to report an improvement. I.e., "It still hurts as much as ever, but I don't want to disappoint Dr. Smith, so I'll say it's better."
• Patient has no difference in symptoms, but perceives them differently. The pain signal arriving at the brain is unchanged, but comes to be processed differently.
• Patient believes in ability of the healer or treatment, gains confidence that they will recover, stress responses are reduced, and the immune and parasympathetic responses are improved.
• Patient gains feelings of acceptance into their tribe/social group as a result of being tended to by the healer. Stress responses are reduced, and their relationship to their community is transformed; a new psychological perspective may be adopted that changes their "will to live" and perception of their "quality of life". Humans are social animals, and I think the social aspects of healing have been tremendously underexamined.
• Patient comes to feel empowered over their own health because they are able to take simple actions, and so are eventually led to make lifestyle changes that lead to improvements.
• Patient benefits from non-specific aspects of treatment. For example, after placebo surgery, skilled nursing during recovery may well have benefits. (I'd like to take this opportunity to point out that every double-blind placebo-controlled study of a surgical technique, has found the surgery to be no better than a placebo cut. Yet many "skeptics" who demand rigorous double-blind studies of "alternative" treatments will go under the knife without a second thought.)

There are probably more things going on too.

Interesting article on the placebo effect by Ted Kaptchuk here. If you can find it, his book with Michael Croucher, The Healing Arts: Exploring the Medical Ways of the World, is an excellent read.

Re:I don't understand

[slew]

As Richard Feynman once said "Science is the belief in the ignorance of the experts"

He also had this comment in his classic speech "Cargo Cult Science"

We have learned a lot from experience about how to handle some of the ways we fool ourselves. One example: Millikan measured the charge on an electron by an experiment with falling oil drops, and got an answer which we now know not to be quite right. It's a little bit off because he had the incorrect value for the viscosity of air. It's interesting to look at the history of measurements of the charge of an electron, after Millikan. If you plot them as a function of time, you find that one is a little bit bigger than Millikan's, and the next one's a little bit bigger than that, and the next one's a little bit bigger than that, until finally they settle down to a number which is higher.

Why didn't they discover the new number was higher right away? It's a thing that scientists are ashamed of -- this history -- because it's apparent that people did things like this: when they got a number that was too high above Millikan's, they thought something must be wrong -- and they would look for and find a reason why something might be wrong. When they got a number close to Millikan's value they didn't look so hard. And so they eliminated the numbers that were too far off, and did other things like that. We've learned those tricks nowadays, and now we don't have that kind of a disease.

But this long history of learning how to not fool ourselves -- of having utter scientific integrity -- is, I'm sorry to say, something that we haven't specifically included in any particular course that I know of. We just hope you've caught on by osmosis

The first principle is that you must not fool yourself -- and you are the easiest person to fool. So you have to be very careful about that. After you've not fooled yourself, it's easy not to fool other scientists. You just have to be honest in a conventional way after that.

I don't think I'm as optimistic as Feynman that it's only a small group of scientists that don't have "that kind of disease"...

Re:Religion

[somersault]

Science doesn't help, that's for sure, but you can't shake a true believer with science. The only thing likely to turn them is the belief that God has let them down somehow.

Mostly true. It's not so much the belief that God has let you down (there are plenty of excuses for that in Christianity), as a certain attitude of depression and a period in my life where everything was upside down anyway, and a combination of seeing some pretty decnt evidence for macro-evolution (species to species evolution by an organism evolving new abilities). A combination of a number of things are necessary for someone to change their beliefs without being brainwashed.

So I think science and logic helps, but you can't reason someone out of their beliefs. They have to doubt them for themselves, otherwise they will just get very defensive and even more entrenched. You can present some evidence to them and leave it with them to let them compare and decide. It's scary losing your faith, especially if you believe in hell or have a lot of friends with the same beliefs, but it's better than living a lie.

hunting for the superstition factory in the brain

[urIkon]

I can't believe no one's touched on this yet.

http://pegasus.cc.ucf.edu/~fle/gazzaniga.html

Executive summary:

Neuropsychology student is studying split-brain patients- people with injuries or diseases that inhibit the hemispheres of the brain from communicating. Their brains function normally kind of, except no information is passed between the two hemispheres.

Speech, or more specifically, translating what you see into words, is predominantly handled by your left hemisphere. Your left visual field is handled by your right hemisphere, and your right visual field by your left.

One experiment he conducted was showing different pictures to each eye at the same time, and then asking the subject to point to a card showing a picture that relates to the image shown.

One subject was shown a picture a picture of a chicken claw to his right eye (left hem.), and a snow covered landscape to his left (right hem.). The subject then pointed to a chicken with his right hand (again, controlled by left hem), and a shovel with his left (right!). Obviously, the logic behind his choice was the claw belongs to a chicken, and you need a shovel to shovel snow. However, when asked to explain his choice, the subject responded with something to the tune of, "The claw belongs to a chicken, and you need a shovel to clean the chicken shed."

Even though acting independently he was able to correctly deduce the response, the lack of communication between the hemispheres meant that when his left hemisphere was trying to put it all into words, it was unable to recall why he chose the shovel from the right hemisphere of the brain.

Gazzaniga (the student conducting the test) believes that in the left hemisphere of the brain lies what he calls the interpreter: a part of your brain whose sole function is to try to rationalize what we do not understand. An evolved speculation machine. Like the article said, I probably served an evolutionary purpose in that it kept us paranoid and safe in the grasslands, but odds are this is also the same part of the brain that saw lightning and concluded there must be an unseen humanoid in the sky making it. Or, when the great questions of "why?" and "how?" concerning our world began to plague the mind, the same brainpiece reached the same god conclusion.

It may have been evolutionarily useful at the time, but like male nipples, serves only to confuse, bewilder, and slow progress anymore. Nietzsche killed it.

Re:Fist

[ShieldW0lf]

Knock on wood is a psychological tool to put things out of your mind so you don't dwell on them.

Some superstitions are externally based and come from probability and intuition, not really caring if it's deterministic causation, probabilistic causation or purely co-relational. Others serve the purpose of regulating the internal world, controlling perspectives and where the mind is focused. Self administered psychotherapy, so to speak. Covet not thy neighbours wife, or you will dwell in hell, not because you're going to go there later, but because you're dismissing what you have for what you don't have and putting yourself in hell in your own head, that sort of shit.