Sure, you could improve yourself the normal way, with hard work and years of slow, incremental progress. Or you could use some of your body's built-in cheat codes and just hack your way to awesometown.
These hacks come with various degrees of difficulty, but no risk or potential for injury. And actual scientists say that all of them work.
5Remember Long Lists With a "Memory Palace"
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The human brain sucks at remembering lists. Think about it: When you go to the grocery store, how many items can you manage before you have to write them down? Three? Five? For most of us, if there's any more than that, we're going to get back home and find out we forgot the milk (which by the way was the whole fucking reason we went to the store in the first place).
That's weird, because there are other things in life we have no problem with. For instance, we don't have much trouble remembering the locations of a hundred different spots around town, even if we don't know the addresses (do you even know the street address of your favorite coffee shop?), or the locations of a thousand items around the house. Sure, you couldn't write them all down, but if a friend asks you where they can find a flashlight, you're probably going to have an answer. If only there was a way to exploit this strength to overcome the other weakness ...
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There's only so much room on the human body to write it all down. Unless you constantly eat, we guess.
You're able to find your way around because a whole lot of your mental horsepower is devoted to spatial memory -- learning the layout of your environment. And there is totally a way you can tap into it as a hack to remember long lists. So-called memory champions have been doing it forever. They call it creating a memory palace.
Here's how it works: You pick a familiar place that you know well and can imagine without much problem -- the inside of your house, the layout of your neighborhood, whatever. You then imagine yourself walking along a specific route in that place and associate an item on your list with each location.
"Shit, that reminds me, I'm out of chloroform."
So let's say you're trying to remember a long grocery list, and you choose to use your neighborhood to mentally visualize it. You could imagine the first item on your list -- condoms -- scattered willy-nilly along your driveway. The next thing on your list might be beer -- you could picture your neighbor passed out drunk on his lawn, pants down, if you want. Next up is frozen pizza, so you picture pizza pies replacing all the windows at your drunk neighbor's house. Let your imagination do the hard work for you -- the more ridiculous/striking the image, the easier it'll be to remember.
It all sounds like a ridiculous extra step, but you soon realize how incredibly easy it suddenly makes it to recite a list. You're simply forcing the spatial memory part of your brain to help out. And you can start doing it at any time -- the memory palace (or method of loci) memorization technique isn't something that requires years of practice. In one 1968 study, college students were asked to memorize a list of 40 items by associating each item with a specific location around campus. Not only were the students able to memorize an average of 38 of the 40 items, but the next day they were able to name 34 of the original list (and that was in 1968 -- imagine how much more they would have remembered if the kids hadn't been on so much pot).
"Two. I can remember two things."
In another study, German senior citizens were also asked to memorize a list of 40 words by associating each word with Berlin landmarks. Before using the method, they could only recall an average of three words. After associating the German word for "father" with the Berlin zoo, for example, participants could remember an average of 23 words from the list. Oh, and you don't have to have one location for each list item, either. In yet another study, subjects just took their imaginary walk twice and were still able to remember 34 of the 40 items. Seriously, go try this.
4Retain Information by Spacing Out the Reminders
The hell of trying to learn anything is that time randomly wipes important information you've committed to memory -- you can't remember the Pythagorean theorem, but you remember the base stats of 649 Pokemon. This is why so many of us wind up cramming at the last minute for exams -- it's not just procrastination, it's fear that if we study a month ahead of time, we'll forget part of it by exam day. So our only answer is to cram everything into our short-term memory, knowing that we'll lose it right after the test. A hundred grand in tuition well spent!
No, what we need is a way to retain information for the long haul, without doing a lot of work. In other words, we need a scientific method to arrive at the exact minimum amount of time and energy we need to successfully retain important information.
"Much better: 15 seconds to remember that I need to change the batteries in my stopwatch."
There is a measurable process by which your brain drops information, a "forgetting curve." If you want information to stick, there's a specific hack you can do to work around it. It takes a bit more practice than the memory palace thing above, but if your job or degree depends on it, it's worth it. Basically, it's a matter of figuring out the rate at which your brain forgets things and adapting to it. They call it spaced repetition, and here's an animated gif showing off the simplest form:
There you go. You are now a memory master.
So let's say you're trying to learn Spanish, and you're going to have a big final on it in four months. The most rudimentary way to practice spaced repetition is to put the words you need to learn on note cards with the English on the front and the Spanish on the back (flash cards, basically) and get three boxes (or create three piles, if you don't have any boxes sitting around) marked:
1. Every Day
2. Every Week
3. Once a Month
The labels tell you how often you're going to look at the flash cards. "What?" you say, "I don't got time to be studying this shit every day! Besides, I know I can hold this stuff in my brain longer than that!" Right, you probably can. This method will tell you exactly how long. That's the point: to arrive at the exact bare minimum amount of time you need to study.
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"Well, maybe we can make an exception just this time and study for a couple more hours."
So, the first time you study, yes, you drill yourself with all of the flash cards. The ones you get right you promote to the Every Week pile. Ones you get wrong go in the Every Day pile. The next day you try it again, but now you've got a smaller pile. The next day, it will be smaller still. A week later, you'll try the Every Week pile again, and the ones you get right you stuff into the Once a Month pile. You're just filtering this shit right on down the line, giving yourself less and less to do.
A month later, you go through the Once a Month pile to make sure you remember it. The stuff you've forgotten goes into the weekly rotation again. See what you're doing? You're figuring out the exact rate at which this stuff falls out of your brain. Breezing through that monthly box? Great, make it every two months. The spans of time are flexible (conversely, if you have an exam or presentation in two weeks, you can shorten the whole process -- make your three piles Daily, Every Other Day, Every Three Days).
If that still sounds too complicated, a Polish psychologist named Piotr Wozniak created computer software that does it for you:
That's just an example graph; yours will be different. But yes, it works. Wozniak actually conducted an experiment on himself by memorizing thousands of nonsensical syllables ... and found that he could repeat the list three years later. So when you're walking around the city and you see filthy people mumbling nonsense syllables to themselves all day, this is probably what they're doing. Ask them about it!