Your memories are fiction
Lance McLain <lance-X3DuywwxauBWk0Htik3J/[email protected]>
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> > http://hplusmagazine.com/editors-blog/science-proves-youre-stupid > > Science Proves You're Stupid > > Written By: Joe Quirk > Date Published: January 16, 2011 > > You can't understand your brain unless you break it. Without brain > damage, you are incapable of acquiring any insight into how your > mind works, because your brain is sublimely designed to trick you > into thinking you have a clue. > > Your memories are fiction. > > Robert Burton describes an experiment in his book On Being Certain: > Believing You Are Right Even When You Are Not, which everyone with a > strong opinion should read. Immediately after the Challenger > explosion in 1986, the psychologist Ulric Neisser asked 106 students > to describe in writing where they were when they heard, who they > were with, how they felt, what their first thoughts were. Two-and-a- > half years later, the same students were assembled and asked to > answer the same question in writing. The new descriptions were > compared with the originals. They didn't match. People had changed > facts about where they were, who they were with, what they felt, > what they thought. When confronted with the original essays, people > were so attached to their new memories they had trouble believing > their old ones. In fact, most refused to revise their memories to > match the originals written at the time. What struck Burton was the > response of one student: "That's my handwriting, but that's not what > happened." > > I saw the movie Casablanca in high school. One particular scene was > so vividly corny it was emblazoned on my memory. I often recited > the saccharine scene in my mind and chuckled to myself over the next > two decades. I saw the flick for a second time in my thirties, and > waited eagerly for that sissyboy scene. When it came, I thought I > was seeing an alternative scene! The characters said different > things and were standing in different parts of the room. Plus I had > to grab for a box of tissues. How could my memories so drastically > overwrite what I actually saw? And how could Rick let their love > die like that? > > Now here's the weird part: Today, I don't remember the scene that > moved me in my thirties. I still remember the scene I laughed at as > a teen. > > You're so clueless about your own experience, you've already re- > written the paragraph you just read. Close your eyes and sum up > what was just said. Done? Now when you re-read it, you'll find you > don't remember the words, but only your impression of what was > said. Once you say it, you replace your vague impression with your > act of verbalizing it. Associate Professor of Cognitive Psychology > Jonathan Schooler calls the effect "verbal overshadowing."" > > > How much time do you spend verbalizing? Every time you talk, you > destroy the memory of what you're talking about. > > Your memories can be selectively erased. > > Famous experiments by neuroscientist Karim Nader demonstrated that > each time you remember something, you demolish the old memory and > recreate a new one. > > In order to store a memory, a protein structure needs to form in the > brain. When rats are given a drug that disrupts this protein > formation while they're trying to form a memory, the rats are unable > to learn. Now here's the weird part. Once a rat becomes an expert > at some knowledge — like knowing that a certain sound precedes a > shock — and researchers inject the drug while he's trying to recall > the memory, the memory is erased permanently. The rat returns to > the same state of ignorance he was in before he ever learned. No > other memories are harmed by the drug, only the memories the rat is > trying to form or recall. That means the protein that encodes the > memory is being rebuilt every time the rat accesses the memory. > > The drug, anisomycin, has been used to selectively erase the > memories of humans tormented by post-traumatic stress disorder. If > the patient takes the drug while being asked to recall the traumatic > memory, the memory dims. Some of the remembered events take > different pathways through the hippocampus and reach consciousness, > but the emotional intensity associated with amygdale is toned down, > becoming hazy and painless. > > Remembering is an act of creation. This led to Yadin Dudai, > professor at the Weizmann Institute and author of Memory from A to > Z, to arrive at the paradoxical conclusion that the most perfect > memory "is the one that exists in a patient with amnesia." > > Remember that person who pissed you off in high school? It never > happened. You made that event up. Don't bother writing your > memoir, because there's no such thing as a memoir. Fiction is stuff > you know you're making up, and memoir is stuff you don't know you're > making up. > > Hey, dumbass. You can't even figure out what already happened in > your own life. How are you going to figure out what's going to > happen in the future for everybody? > > The Feeling of Knowing is Separable from Knowing. > > The feeling of knowing is exactly that, a sensation. > > Dr. Burton demonstrates that the experience of knowing occurs > independently from the "logical steps" you think you take to arrive > at a conclusion. In fact they arise from different regions of the > brain. > > Burton hypothesizes that Obsessive Compulsive Disorder is an > inability to experience this feeling of knowing. No matter how much > the patient proves to himself that his hands are clean, the car door > is locked, he won't forget his keys, he just can't believe it. He > can know that something is true; he just can't feel that it's true. > Other patients with brain lesions experience similar disconnections > between knowing and feeling they know, such as being convinced that > a table has been stolen and replaced with an exact replica, or that > mother has been kidnapped and replaced with an identical imposter. > They look at familiar things and don't feel that they are right. > > Just as precise knowledge can come without any feeling of knowing, > the feeling of knowing can come without any precise knowledge at > all. Burton analyzed the transcripts of people experiencing > mystical revelations: "It's all so clear! Everything makes sense!" > — who are always unable to speak in specifics. Religious ecstasy > suffuses a person with a pervasive sense of knowing all, utterly and > completely, despite having no particular insight to attach the > feeling to. Mystical revelation is indescribable precisely because > there is nothing to relate it to but "allness" or "the universe." > Some epileptics in the initial stages of their seizures describe the > same transcendent ecstasy. You can have the experience, too. When > a scientist administers an electrical zap to your temporal lobe, you > will use the language of prophets. > > Our susceptibility to the intoxicating feeling of knowing is why > humans everywhere are afflicted with what Burton calls "an epidemic > of certainty." Attend your next H+ Summit, see if you see any > symptoms manifested, and wait to catch the exultant virus. > > Reason is Never the Reason > > Do you aspire to be a rational person? Careful what you wish for. > > A man who had a tiny tumor cut out of the cortex near the frontal > lobe of his brain seemed fine at first. He passed all intelligence > tests and retained all faculties. But once released to daily life, > he was paralyzed by an inability to make the simplest decision. > Sitting at his office desk, he spent twenty minutes deciding whether > to use a black pen or blue pen, carefully thinking through every > implications of each option. Family and friends reported that the > subject became the most hyper-rational man who could talk endlessly > through the details of scheduling conflicts, listing the pluses and > minuses of every possibility, unable to settle on a decision. > Cognitively normal people who listened could always see his every > reasonable point. Nothing he said about any particular > consideration was irrational. But as Antonio Damasio, a guy > accustomed to dealing with cognitively weird people, said, "You > wanted to bang your fist on the table and say, Just make a decision > already!" > > It turns out the theologian Jean Buridan's medieval "proof" of free > will is mistaken. He claimed that a hungry ass equidistant between > two bales of hay would freeze forever if it didn't have free will, > because both choices are equally valid. (Buridan's ass is like > Newton's apple: Untrue folk analogies are the vehicles in which > memes travel.) > > I've never been an ass equidistant between two equally large bales > of hay, but I have been an asshole equidistant between two equally > large pieces of ass, and I promise you I did not freeze. It takes > very little thought to act in such circumstances. In fact, the less > you think, the easier action is. > > It looks like the brain has an automatic timer, a wound spring > pushing an emotional impulse to choose. We didn't evolve to know > the world, but to make the most statistically efficient decision > given limited data and time. Without impulse to close the deal, no > decision is possible with pure reason. With enough thought, every > possibility can be made to appear equally valid. Reason is a tool > to serve impulse, not the thing that provokes decision. You can > reason your way to any conclusion you want. Wanting is the key. > > Neurosis may be a poorly developed impulse to over-ride maddening > rationality. You may notice stupid people don't suffer from > neurosis. It's only guys like Woody Allen who drive you crazy > rethinking every consideration. Something has to override analysis > paralysis, and it ain't more analysis. > > In our leaders we admire the virtue of decisiveness, an ability to > "act from the gut," unperturbed by egghead considerations. But, of > course, a leader's confidence is not based on knowing the cascading > domino effects of his decisions. Leaders act decisively with moral > clarity in a state of ignorance. That's why we follow them. Their > lack of doubt is infectious. > > Did you want to believe in a scientifically supported possibility > for negligible senescence before you discovered leaders who believe > it? > > Why did that answer just pop into your brain? Why should answers > "pop" into your brain at all? > > You don't know why you just thought that. > > Neuroscientists Michael Gazzaniga and Roger Sperry found that people > with a severed corpus collosum, the thumb-thick bridge between the > left and right hemispheres of our brains, act with two different > wills, each with roughly half our higher capacities, operating > independently in the same skull, without consulting the other before > they make a decision. True story: The left hand takes a shirt off > the rack, and the right hand grabs it and puts it back. The left > hand gets so frustrated, it tries to strangle the person like Steve > Martin in The Man With Two Brains. > > The left hemisphere is in charge of language. The right hemisphere > is in charge of visual imagery. When you flash an image of a spoon > to the eye that corresponds to the right hemisphere, the patient > with a cut corpus callosum will say he sees nothing. When asked to > grab the object using the hand that corresponds to the right > hemisphere, the patient will grab the spoon they just said they > couldn't see, yet still be unable to say what they are holding. > > When Sperry flashed "WALK" to the right hemisphere in charge of > visual representation, the patient got up and walked across the > room. When asked why he did that, he (the left hemisphere, in > charge of language) said, "To get a Coke." Imagine Sperry's > astonishment at that moment, knowing the real reason why that person > walked across the room. The language hemisphere spontaneously > contrived a reason, yet the person who owned the brain had no notion > of this. > > The left hemisphere was shown a chicken and the right hemisphere was > shown a snowfall. When Sperry asked the patient to choose a picture > that goes with what they see, the hand controlled by the left > hemisphere picked a claw, and the hand controlled by the right > hemisphere picked a shovel. Interesting. Both hemispheres can > independently and simultaneously pick an image that goes with what > they saw. > > Then Sperry asked (the left hemisphere, in charge of language) why > he chose a claw and a shovel. He responded without hesitation, "Oh, > that's simple. The chicken claw goes with the chicken, and you need > a shovel to clean out the chicken shed." > > If each hemisphere can spontaneously fabricate a meaning for every > action, you've got to wonder how other more subtle parts of our > brains are spin-doctoring reasons why other subtle parts of our > brain are doing things. If quick-witted lies pass between the two > big parts of your brain, why shouldn't they go on among the little > parts? > > Why did you choose that for breakfast this morning? Why are you > still dating that jerk? Why can't you stick to your diet? Why are > you considered the most reliable source as to the "reasons" you do > you things? Nothing told you to get a Coke. You chose to get a > Coke. Right? > > You're the Worst Judge of Yourself > > Hey numbnuts, cognitive science demonstrates that you're not bright > enough to realize what a clusterfuck your life is, because you're > wired to tell yourself a coherent story after the fact. Microsecond > by microsecond, your neocortex spins a story that says: "I meant to > do that." Your conscious mind thinks its Sherlock Holmes, but > really it's Maxwell Smart, tripping through life and weaving > coherent excuses to maintain the illusion of control. > > Take a look at your life, for instance, dipshit. How much did you > completely screw up and blame on others, and how much of the good > stuff did you stumble into randomly, then take credit for as if you > planned it all along? > > More so than you think. Clever experiments with memory recall show > how we cast narratives back to justify what happened. We think our > lives have meaning to the extent we are able to look back and pick > and chose the events that draw a coherent narrative, then we > unconsciously alter all those events to confirm what we want to > believe about ourselves. > > When it comes to our self-assessments, we are all susceptible to the > Lake Wobegon Phenomenon: When quizzed, most people rate themselves > as smarter, more attractive, more optimistic, better leaders, and > less biased than average. Even if you beat the average in one of > these domains, the chances of you beating the average in all five > domains is slim. Chances are, you're below average in more than one > of these domains. How do I know this? I'm smarter, more charming, > a better leader, and less biased than most people. > > I had a chance to talk to the class bully from my high school, who > told me about how good life had been to him. I decided not to > mention this was the first nonviolent encounter we ever had. He > brought up a mentally handicapped guy who got beaten even worse than > me and boasted that nobody messed with that kid when he was around. > I stared politely into his face amazed at what a deluded sense he > had of himself. I remembered him as relentlessly, inexhaustibly > evil. For an instant I wondered if I should question my sense of > myself as a mature, faultless victim whose rapier witticisms should > have provoked applause rather than pounding, but then I thought > better of it. > > The mind has a mind of its own. But even that's not in charge. > > Your Arm Makes you Think you Control It > > Have you clicked away from this article yet? Why not? Because it's > not up to you. You can't even choose when you click your mouse. > > In a famous experiment, Benjamin Libet stuck people's heads into an > electroencephalogram and their arms into an electromyogram, then > asked them to move their finger whenever they chose. Libet found > that motor activity in the brain began a quarter second before the > subject became conscious of choosing to move his finger. Here's the > sequence: First, motor activity in brain. Quarter second later, > patient consciously decides to move. Quarter second later, patient > moves. Conscious choice does not cause motor activity. Motor > activity causes conscious choice. > > Did you just say… Bullshit! Where did that come from? A > spontaneous reaction is not reasoned. > > Reason is the act of justifying a spontaneous reaction. Reason > rushes into the milliseconds after you instinctively react. Next > time you make a snap judgment, ask yourself how much reasoning your > can fit into the space of a snap. > > Hey dingbat. Thoughts are spontaneous. Reason is torturous. The > impulse to believe sets up the maze. Then reason finds a path > through, convinced it's the only path available, unaware the same > brain made the maze. Crucial to your ability to conclude is a > preconscious elimination of alternatives. Everything you think you > know is a con your brain plays on your conscious mind. Including > how you feel about the guy writing this. > > You Don't Know Why You Like or Dislike People > > How confident are you of your assessment of my personality? Do I > seem like a prick, or a raconteur you'd like to have for dinner? It > depends less on your objective judgment than whether you're holding > a warm drink. > > Researchers asked people to participate in a study where they rate a > written portrayal of personality. Just before half the subjects sat > down, the researcher said, "Could you hold this for a sec?" Half > the subjects held the warm cup for about one second before they sat > down. The other half were never asked to hold the cup. Then they > were asked to read a description of a person. Then they were asked, > > “How do you feel about this guy? Rate him on a scale from one to > ten.” > > The people who held the coffee for a second rated the described guy > on average 20% higher than those who didn't. > > Those of you who are drinking coffee, or maybe those who just did > somebody a small favor, probably like me more than those who aren't > and didn't. The rest of you can go fuck yourselves. (I'm not > holding anything warm at the moment. Wait a second, my dog just > moved onto my lap. I apologize for what I just wrote. Can't we all > just get along?) > > Next time somebody makes an impression on you, ask yourself if your > reaction is based on your judgment or your digestion. > > The Sack of Meat our Dreams Drag Around > > Many transhumanists tell me triumphantly that human nature has been > left behind. So why are they bothering to tell me? All humans > everywhere care what other people think, spontaneously react when > their values are challenged, argue with tribemates about what's > true. See the comment button below? Why doesn't your cat find this > button irresistible? Why can't you choose to be more like your > cat? Turn off your mind, go sit in the sunbeam, give not a shit, > and be content. > > Hey, you're still reading. How long did you consider the option to > stop chasing opinion and contributing your own? Why does your cat's > brain gravitate naturally toward the Buddhadom you must discipline > yourself to achieve? It's that damn human nature again. It won't > go away, not even the part that desires to transcend it, a > particularly unique feature of Homo Confabulus. > > If we can deny our own stubborn human nature, we can block out any > information that contradicts what the author Tamim Ansary calls "the > fruitless longing for transcendence" that drives much delusion. > > Joe Quirk is the author of Exult, an epic myth about hang gliding > and grief, and It's Not You, It's Biology: The Science of Love, Sex > & Relationships, a humorous science book translated into 17 languages. > -- dadl-ot mailing list http://mail.thehood.us/mailman/listinfo/dadl-ot_thehood.us http://news.gmane.org/gmane.music.dadl.ot