Friday, Jul 24, 2026 The claims desk. Receipts included. POWERED BY LENZ
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SCIENCE

The Claim

Listening to Mozart's music increases cognitive intelligence in babies.

The Short Version

This claim is false. The "Mozart effect" originated from a 1993 study on college students — not babies — and produced only a brief, temporary boost in spatial reasoning, not general cognitive intelligence. Multiple meta-analyses and peer-reviewed reviews have found no persuasive evidence that passively listening to Mozart increases cognitive intelligence in infants. The original researcher herself stressed the effect does not extend to general intelligence. The widespread belief persists as a popular myth unsupported by scientific evidence.

Caveats

  • The original Mozart effect study was conducted on college students, not babies, and lasted only 10–15 minutes — it was never about infant intelligence.
  • Multiple meta-analyses (1999 and 2010) failed to find reliable evidence for cognitive gains from passive Mozart listening in any age group.
  • Passive listening to Mozart is fundamentally different from active, structured music education, which has a separate and more positive evidence base — conflating the two is a common error.

The Receipts

  1. The Mozart effect - PMC

    PMC (PubMed Central)

  2. Music and Rhythm as Promising Tools to Assess and Improve Cognitive Development in Children: A Scoping Review - PubMed

    PubMed

  3. The Mozart effect: The truth behind the claims - Parenting Science

    Parenting Science

  4. Having kids listen to Mozart makes them smart. - Sage

    Sage Publications

  5. The Mozart effect - PMC

    PubMed Central (PMC)

  6. Mozart's Music Doesn't Make Baby Geniuses | Office for Science and Society

    Office for Science and Society

  7. Muting the Mozart effect - Harvard Gazette

    Harvard Gazette

  8. Will Mozart make my child smarter? | Health & wellbeing - The Guardian

    The Guardian

  9. Does “The Mozart Effect” Actually Work?

    Classics 4 Kids

  10. Music training can change children's brain structure and boost decision-making network

    USC Dornsife

+ 4 more sources — see the full list on Lenz

Filed Under

Infant Cognitive DevelopmentMozart EffectWolfgang Amadeus Mozart

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