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Brain lateralization refers to the division of mental processes and functions between the two hemispheres of the brain, a phenomenon that optimizes neural efficiency and underpins complex abilities in humans. This specialization allows each hemisphere to perform tasks where it has a comparative advantage, facilitating more refined cognitive capabilities across different domains.
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Creative Thinking01:25

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Related Experiment Video

Updated: Sep 8, 2025

Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury
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Block Building Task Identifies Distinct Groups of Left/Right-hand Choice Patterns After Unilateral Peripheral Nerve Injury

Published on: March 21, 2025

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Handedness and creativity: Facts and fictions.

Owen Morgan1, Siyi Zhao2, Daniel Casasanto3

  • 1Department of Psychology, Cornell University, Ithaca, NY, USA.

Psychonomic Bulletin & Review
|June 27, 2025
PubMed
Summary
This summary is machine-generated.

Despite popular belief, this study found no evidence that left-handers are more creative than right-handers. In fact, right-handers performed better on a key creativity test, challenging common assumptions about handedness and creativity.

Keywords:
CreativityDivergent thinkingHandednessMeta-analysisReview

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Area of Science:

  • Cognitive Psychology
  • Neuroscience
  • Human Behavior

Background:

  • Popular belief and some scientific literature suggest a link between left-handedness and higher creativity.
  • Theories on the neural basis of creativity propose plausible mechanisms for such a connection.

Purpose of the Study:

  • To evaluate if left- or mixed-handers exhibit greater creativity than right-handers using divergent thinking tests.
  • To determine if left- or mixed-handers are overrepresented in creative professions.

Main Methods:

  • Qualitative review of existing literature.
  • Meta-analyses of studies measuring divergent thinking.
  • Analysis of representation in creative professions.

Main Results:

  • No empirical evidence supports left- or mixed-handers being more creative than right-handers.
  • Right-handers scored statistically higher on the Alternate Uses Test (a divergent thinking measure).
  • Left- and mixed-handers are underrepresented in creative professions overall, despite potential overrepresentation in specific fields like art and music.

Conclusions:

  • The common belief that left-handers are more creative is not supported by empirical evidence.
  • Handedness does not appear to be a significant predictor of creativity based on current data.
  • Further research may explore nuanced relationships between brain lateralization and creative cognition.