Friday, October 31, 2025
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Jay Joseph, PsyD

Jay Joseph, PsyD
46 POSTS 110 COMMENTS
http://www.jayjoseph.net
The Gene Illusion: Jay Joseph brings a critical perspective to claims in the media and the academic literature that disordered genes underlie psychiatric disorders, and human behavioral differences in general. His most recent book, Schizophrenia and Genetics: The End of an Illusion (2023), is available from Routledge.

Ernst Rüdin’s Unpublished Family Study of “Manic-Depressive Insanity” and the Genetics of Bipolar Disorder

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Twin Studies are Still in Trouble: A Response to Turkheimer

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Ernst RĂĽdin: The Founding Father of Psychiatric Genetics

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The New York Times Celebrates Twin Research Yet Again

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The Fourth and Fifth Laws of Behavioral Genetics

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A Debate on Twin Research Has Broken Out in American Criminology

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Are DSM Psychiatric Disorders “Heritable”?

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Has a New Twin Study Meta-Analysis Finally “Settled” the Nature-Nurture Debate?

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The Latest News from Twin Research: The Genetic Influence on Political Voting Choices is...

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Quotations From the Genetics “Graveyard”: Nearly Half a Century of False Positive Gene Discovery...

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Biology and Genetics are Irrelevant Once True Causes are Recognized

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Studies of Reared-Apart (Separated) Twins: Facts and Fallacies

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Genetic Research in Psychiatry: A Brief Update

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DSM-5’s “Speculative” 2002 Diagnostic System Based On Expected Gene Findings

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Twin Studies and the “Nonreplication Curse” in Psychiatric Molecular Genetic Research

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The Trouble with Twin Studies

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The Latest Gene Finding Claim in Psychiatry

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Five Decades of Gene Finding Failures in Psychiatry

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Introduction: The Gene Illusion Continues

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Jay Joseph – Short Bio

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