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Nine Brain Quirks You Didn’t Realize You Had

Nine Brain Quirks You Didn’t Realize You Had
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I think the brain is most interesting when it doesn’t work the way you expect it should. Psychology often confirms our intuitions about how our minds work, but it offers quite a few surprises as well. Although some psychology buff’s will have heard a few of these before, here’s a list of quirks in your brain you probably didn’t realize you had:

1) Your short-term memory has a max capacity of seven.

Humans have three forms of memory: sensory, long-term and short-term. Long-term memory is like hard-drive space, while short-term memory works like a very small RAM. This short-term memory can hold only about five to nine (average is seven) items at a time.

Remembering information longer than this requires you to either compress it down into seven units or store it in long-term memory. Most phone numbers are only seven digits.

2) Chartreuse is the most visible color.

Yellow-green, chartreuse, sits right in the middle of the frequencies of visible light. Your eyes have receptors for blue, green and red. Being in the middle, yellow-green triggers the most of these receptors to fire, making it easy to spot. In some cities, firetrucks have been changed from red to a yellow-green color to make them more visible.

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3) Your subconscious is smarter than you are.

Or at least more powerful. In one study, a square was assigned to a location on a computer screen through a complex pattern. After watching it, people began to get results better than chance of picking out where the square would pop up next. But when asked to consciously determine the pattern, even given a few hours, nobody could do it.

4) You have two nervous systems.

One set controls excitation and the other controls inhibition. If you hold out your hand, you might notice minor tremors. This is caused by slight, random differences in the amount each of the two systems are firing.

5) Your brain is awful at probability.

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Okay, so maybe your high-school math teacher could have told you this one. But, what’s interesting isn’t that your brain is bad at probability, but how. In one study recipients were asked:

Linda is 31 years old, single, outspoken, and very bright. She majored in philosophy. As a student, she was deeply concerned with issues of discrimination and social justice, and also participated in anti-nuclear demonstrations.
Rank the following statements from most probable to least probable:Linda is a teacher in an elementary school.

  1. Linda works in a bookstore and takes Yoga classes.
  2. Linda is active in the feminist movement.
  3. Linda is a psychiatric social worker.
  4. Linda is a member of the League of Women Voters.
  5. Linda is a bank teller.
  6. Linda is an insurance salesperson.
  7. Linda is a bank teller and is active in the feminist movement.

Almost 90% of students responded that #7 was more probable than #5. This is despite the fact that to be a bank teller and in the feminist movement is completely contained within the set of #5 (just being a bank teller). It seems our minds like to think more details make events more probable, not less.

6) Your memory isn’t great either.

Studies have shown that people are highly likely to misremember past events. Even worse, it is incredibly easy to suggest a memory that never happened. This is why so-called “repressed” memories should be given a lot of thought. It is far easier to suggest a memory of an event never happened, then it is to recover one that actually did.

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7) You can perceive depth with one eye.

It’s a myth that depth perception is entirely the result of having two eyes. Binocular vision does assist in making a three-dimensional picture. However, most of your ability to perceive depth comes from inside your brain. It has been wired to look at angles and proportions to judge distance.

If you required two eyes to perceive depth then most optical illusions wouldn’t work and it would be incredibly difficult to gather information from flat photographs. Not to mention a lot more one-eyed pirates walking overboard.

8 ) Long-term memory shuts down during sleep.

The parts of the brain that transfer information to long-term memory shut down while sleeping. This is why dreams quickly fade away after you wake up. Although you may have several dreams in a night, they aren’t being recorded into long-term memory. Generally only the fragments of a dream left in short-term memory have a chance to be encoded after you wake up.

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9) You have an instant playback feature.

At the beginning I mentioned that humans have three forms of memory, short-term, long-term and sensory. Sensory memory is your brain’s equivalent to an instant playback feature. Working for both your vision and hearing, your thalamus can resend signals a few seconds after they were originally sent.

Imagine being at a party and overhearing someone say your name. Often you can recall what they said even though you were focused on another conversation. This is because your sensory memory re-sends the signals when it finds something important, such as your name. If you lacked this form of memory, activities such as multitasking or taking notes from a speaker would be impossible.

If you’re asked to repeat something you just said because the other person wasn’t listening, just wait a few seconds. Often they can replay the message in their head and give a response.

More by this author

Scott H Young

Scott is obsessed with personal development. For the last ten years, he's been experimenting to find out how to learn and think better.

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Last Updated on January 2, 2019

7 Steps For Making a New Year’s Resolution and Keeping It

7 Steps For Making a New Year’s Resolution and Keeping It

Are you keen to reinvent yourself this year? Or at least use the new year as a long overdue excuse to get rid of bad habits or pick up new ones?

Yes, it’s that time of year again. The time of year when we feel as if we have to turn over a new leaf. The time when we misguidedly imagine that the arrival of a new year will magically provide the catalyst, motivation and persistence we need to reinvent ourselves.

Traditionally, New Year’s Day is styled as the ideal time to kick start a new phase in your life and the time when you must make your all important new year’s resolution. Unfortunately, the beginning of the year is also one of the worst times to make a major change in your habits because it’s often a relatively stressful time, right in the middle of the party and vacation season.

Don’t set yourself up for failure this year by vowing to make huge changes that will be hard to keep. Instead follow these seven steps for successfully making a new year’s resolution you can stick to for good.

1. Just pick one thing

If you want to change your life or your lifestyle don’t try to change the whole thing at once. It won’t work. Instead pick one area of your life to change to begin with.

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Make it something concrete so you know exactly what change you’re planning to make. If you’re successful with the first change you can go ahead and make another change after a month or so. By making small changes one after the other, you still have the chance to be a whole new you at the end of the year and it’s a much more realistic way of doing it.

Don’t pick a New Year’s resolution that’s bound to fail either, like running a marathon if you’re 40lbs overweight and get out of breath walking upstairs. If that’s the case resolve to walk every day. When you’ve got that habit down pat you can graduate to running in short bursts, constant running by March or April and a marathon at the end of the year. What’s the one habit you most want to change?

2. Plan ahead

To ensure success you need to research the change you’re making and plan ahead so you have the resources available when you need them. Here are a few things you should do to prepare and get all the systems in place ready to make your change.

Read up on it – Go to the library and get books on the subject. Whether it’s quitting smoking, taking up running or yoga or becoming vegan there are books to help you prepare for it. Or use the Internet. If you do enough research you should even be looking forward to making the change.

Plan for success – Get everything ready so things will run smoothly. If you’re taking up running make sure you have the trainers, clothes, hat, glasses, ipod loaded with energetic sounds at the ready. Then there can be no excuses.

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3. Anticipate problems

There will be problems so make a list of what they’ll be. If you think about it, you’ll be able to anticipate problems at certain times of the day, with specific people or in special situations. Once you’ve identified the times that will probably be hard work out ways to cope with them when they inevitably crop up.

4. Pick a start date

You don’t have to make these changes on New Year’s Day. That’s the conventional wisdom, but if you truly want to make changes then pick a day when you know you’ll be well-rested, enthusiastic and surrounded by positive people. I’ll be waiting until my kids go back to school in February.

Sometimes picking a date doesn’t work. It’s better to wait until your whole mind and body are fully ready to take on the challenge. You’ll know when it is when the time comes.

5. Go for it

On the big day go for it 100%. Make a commitment and write it down on a card. You just need one short phrase you can carry in your wallet. Or keep it in your car, by your bed and on your bathroom mirror too for an extra dose of positive reinforcement.

Your commitment card will say something like:

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  • I enjoy a clean, smoke-free life.
  • I stay calm and in control even under times of stress.
  • I’m committed to learning how to run my own business.
  • I meditate daily.

6. Accept failure

If you do fail and sneak a cigarette, miss a walk or shout at the kids one morning don’t hate yourself for it. Make a note of the triggers that caused this set back and vow to learn a lesson from them.

If you know that alcohol makes you crave cigarettes and oversleep the next day cut back on it. If you know the morning rush before school makes you shout then get up earlier or prepare things the night before to make it easier on you.

Perseverance is the key to success. Try again, keep trying and you will succeed.

7. Plan rewards

Small rewards are great encouragement to keep you going during the hardest first days. After that you can probably reward yourself once a week with a magazine, a long-distance call to a supportive friend, a siesta, a trip to the movies or whatever makes you tick.

Later you can change the rewards to monthly and then at the end of the year you can pick an anniversary reward. Something that you’ll look forward to. You deserve it and you’ll have earned it.

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Whatever your plans and goals are for this year, I’d do wish you luck with them but remember, it’s your life and you make your own luck.

Decide what you want to do this year, plan how to get it and go for it. I’ll definitely be cheering you on.

Are you planning to make a New Year’s resolution? What is it and is it something you’ve tried to do before or something new?

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