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the claim

People are dominated by either the left or right brain hemisphere, which determines their personality and thinking style.

the verdict
REFUTED
the evidence says no
Recorded sources
0 sources for · 6 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 people are dominated by either the left or right brain hemisphere, which determines their personality and thinking style?

No. A Cleveland Clinic source states directly that the idea one hemisphere is substantially stronger and plays a major role in personality or abilities has not proven out in research. Other peer-reviewed sources show hemisphere differences are task-specific rather than a fixed personality-determining dominance.

Verdict: REFUTED · 0 sources for, 6 against · Last checked

The private library was unavailable for some searches in this check. Missing library results are not evidence against the claim.

Evidence against · 6
Left Brain vs. Right Brain: How They Differ
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Left Brain vs. Right Brain: How They Differ. (n.d.). health.clevelandclinic.org. https://health.clevelandclinic.org/left-brain-vs-right-brain

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More against · 5
Left and Right Hemisphere Brain Functions and Symbolic vs. Spontaneous Communication Processes.
1980
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Ross, B. (1980). Left and Right Hemisphere Brain Functions and Symbolic vs. Spontaneous Communication Processes.. eric.ed.gov. https://eric.ed.gov/?id=ED196074

Lateralized behaviour as indicator of affective state in dairy cows
2017
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Lateralized behaviour as indicator of affective state in dairy cows. (2017). doi.org. https://doi.org/10.1371/journal.pone.0184933

Encouraging Pointing with the Right Hand, but Not the Left Hand, Gives Right-Handed 3-Year-Olds a Linguistic Advantage
2023
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H., M. K., Suzanne, A., & Sotaro, K. (2023). Encouraging Pointing with the Right Hand, but Not the Left Hand, Gives Right-Handed 3-Year-Olds a Linguistic Advantage. eric.ed.gov. https://doi.org/10.1111/desc.13315

Right Hemisphere Dominance in Visual Statistical Learning
2011
Get citation
E., R. M., Jozsef, F., N., A. R., & S., G. M. (2011). Right Hemisphere Dominance in Visual Statistical Learning. eric.ed.gov. https://doi.org/10.1162/jocn.2010.21508

Left Brain, Right Brain: Facts and Fantasies -
Get citation
Left Brain, Right Brain: Facts and Fantasies - PMC Lock. (n.d.). pmc.ncbi.nlm.nih.gov. https://doi.org/10.1371/journal.pbio.1001767

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