Most Humans Only Use 10% of Their Brain. What Percentage Do You Use?

By: Zoe Samuel
Estimated Completion Time
5 min
Most Humans Only Use 10% of Their Brain. What Percentage Do You Use?
Image: Shutterstock

About This Quiz

While it's true that some people aren't especially bright, it's also true that plenty of perfectly intelligent people insist on not fully using their God-given smarts. Are you one of them, or are you firing on all cylinders?
Do you read nonfiction books for fun?
Never
A few a year
One a week
I devour books like a human woodchipper.

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Do you read fiction books?
Yes, I am a big fan of "Fifty Shades."
Yes, I read pulpy novels.
Yes, I read mainstream fiction.
Yes, I read literary fiction.

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Do you look before you leap?
Yes, that's the most fun way to do it.
Yes, usually.
I do, but not too much.
I think things through exhaustively.

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Do you play puzzle games like Sudoku?
No, that's boring.
No, that's quite hard.
More like Tetris.
Yes, constantly.

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Do you play board games?
I play Twister.
I play Jenga.
I play Scrabble and Stratego.
I play chess and mahjong.

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Do you always have a jigsaw puzzle on the go?
Not since I was 5.
No, but my family does one over the holidays.
Once in a while, yes.
Yes, when I have space.

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Do you exercise three times a week?
No, that's dull.
When I have time.
Most weeks, yes.
Of course

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Do you get your five a day?
Ugh, I hate veg.
I try to.
Most days.
Yes, usually more.

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Do you stretch most days?
I mean to, but you know how it is.
When I work out, yes.
Yes, I do a few stretches in the morning.
I do 15 minutes of yoga daily.

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Do you go to the doctor for your annual physical?
I know I should, but...
Yes
Yes, and I make sure I check in with specialists as needed.
Yes, and I keep informed and proactive about my health.

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Do you believe in any conspiracy theories?
They're not conspiracy theories, they're the unspoken truth.
Just a couple that have good evidence.
Not really
I believe in science and facts.

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Do you follow the news?
No, I don't care about that sort of thing.
Yeah, mostly
Yes, daily
Yes, multiple sources

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There are 196 countries in the world. How many do you think you could find on a map?
Maybe 25
Maybe 50
Maybe 100, but I could get the right continent for most.
Over 170

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How gullible are you?
Not at all, no one fools me, not ever!
I can be sometimes.
Not very
I'm cynical to a fault.

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Do you often say the wrong thing and have to apologize?
Yeah, I hate it.
Yeah, I'm working on it.
Not often
Once in a while

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Do you improve your living environment for efficiency, e.g. by hanging pegs near your front door so you don't leave your coat on the sofa every day?
No, that's too much work.
I have a few life hacks, sure.
Yes, I love good design.
I am always trying to optimize.

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Do you ever prepare meals more than one at a time?
Goodness, no, sometimes I forget to eat.
Every so often I make a huge soup batch.
I usually make double when it's things like pasta that keep.
I prepare and plan all my meals for the week.

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Do you check the weather before you leave the house?
I really should.
Most days
Yes, every day
I check on an app and also look out the window because I bother to know what the sky looks like when the weather changes in my area.

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Do you let your phobias control your behavior?
It's not a phobia if the spiders are really trying to kill me.
I avoid heights and closed spaces.
I take a Xanax when I fly.
I got CBT and use it whenever I get neurotic.

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Do you know how to debate civilly?
That's not a thing, LOL.
I can do it but sometimes I get upset after.
I like it fine.
It's my favorite hobby.

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Do you know how to identify common dishonest debating tactics like "ad hominem", strawman, derailing, or "post hoc ergo propter hoc"?
What now? What are those?
I know a few, but not always by name.
I know them all, yes.
Yes, I actually write about such fallacies for a well-known legal blog.

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Do you feed the trolls?
I AM the trolls!
I try not to but cannot always resist.
Of course not
If I feel perverse, sure.

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Do you listen to or read at least one news source that doesn't share your political worldview?
I don't think any exist.
Not really
I try to once in a while.
Of course, that's just good form.

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Do you see different political ideologies as being an identity that you adopt?
I don't think about politics.
I love the party I vote for if that's for you mean.
I try not to be all one thing or the other.
I see them as useful worldviews to use to assess things.

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Have you ever changed your mind about something big because you heard new evidence?
Nope
A couple times
Every so often, sure
Yes, but I have a very high bar for evidence.

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How much TV do you watch?
Loads
I watch whatever's popular and fun.
I watch the news and mainstream narrative.
I watch good quality narrative and documentaries.

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Of the TV that you watch, how much is reality TV?
All
A third
A quarter, unless you count the news
None

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Do you go to the theater?
No, that's boring.
Not often
A couple times a year for a treat.
Whenever I can afford to.

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How about comedy shows?
From time to time
Every couple months
Every month or so
Often

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How funny are you?
I think I am hilarious.
I have a good sense of humor but I laugh at others' jokes more than the opposite.
I'm really funny.
I might be a little too cerebral sometimes, but I am witty.

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