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the claim

Humans only use 10 percent of their brains

the verdict

REFUTED

the evidence says no

Recorded sources

0 sources for · 5 against

Counts group repeated records of the same source within each side. They do not measure evidence strength or source independence.

Is it true that humans only use 10 percent of their brains?

No. Scientific evidence, neuroscience, and fact-checkers overwhelmingly confirm that the idea that humans only use 10 percent of their brains is a widely held myth.

Verdict: REFUTED · 0 sources for, 5 against · Last checked 28 Jul 2026

How claims like this are judged

Judged on the fact-checker and reference record: claims of this kind are settled by fact-checkers and reference works, not journal abstracts.

Evidence against · 5

Snopes: Do We Only Use 10% of our Brains?

Fact-checker ruling: False

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Snopes: Do We Only Use 10% of our Brains?. (n.d.). snopes.com. https://www.snopes.com/fact-check/the-ten-percent-myth/

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More against · 4

Wikipedia: Ten-percent-of-the-brain myth

Reference article covering this claim directly

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Wikipedia: Ten-percent-of-the-brain myth. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Ten-percent-of-the-brain_myth

Wikipedia: Dunbar's number

Reference article covering this claim directly

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Wikipedia: Dunbar's number. (n.d.). en.wikipedia.org. https://en.wikipedia.org/wiki/Dunbar%27s_number

Book: Urban Myths about Learning and Education

2015

Book matched on a full-text search for this claim

Get citation

Book: Urban Myths about Learning and Education. (2015). play.google.com. https://play.google.com/store/books/details?id=7h4tBAAAQBAJ&source=gbs_api

Book: Psychology Around Us, with eBook Access Code

2026

Book matched on a full-text search for this claim

Get citation

Book: Psychology Around Us, with eBook Access Code. (2026). books.google.com. http://books.google.com/books?id=4l-2EQAAQBAJ&dq=Humans+only+use+10+percent+of+their+brains&hl=&as_pt=BOOKS&source=gbs_api

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Receipt History

first checked28 Jul 2026

judged → REFUTED · 028 Jul 2026

recheck_disputes_verdict08 Aug 2026

held for human review08 Aug 2026

revalidated17 Sep 2026

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