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Genes and Behavior: A Complex Reality

Free News Reader  ·  September 8, 2026

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Genes and Behavior: A Complex Reality

  • Behavioral geneticist Abdel Abdellaoui emphasizes that increased knowledge about genes reveals a more intricate reality regarding human traits and behaviors.
  • Abdellaoui, an associate professor at Amsterdam UMC, has conducted extensive research into psychiatric, behavioral, and population genetics, with publications in journals like *Nature Human Behaviour* and *Nature Genetics*.

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Abdel Abdellaoui, a geneticist and associate professor in the Department of Psychiatry at Amsterdam UMC, highlights the growing complexity of understanding human traits as genetic knowledge expands. His research spans psychiatric genetics, behavioral genetics, and population genetics. Abdellaoui is particularly interested in how collective human behaviors, such as migration patterns and mate-choice, impact the genetic makeup of populations. He also investigates the relationship between genetic risk factors and environmental exposures.

His work includes studies on topics such as shared genetic risk in psychiatric disorders, the genetic components of socio-economic status, and gene-environment correlations across different geographical regions. For example, a study on socio-economic status with Abdel Abdellaoui as a co-author was published in *Nature Human Behaviour* in May 2025. Another publication in *Nature Genetics* in September 2022, co-authored by Abdellaoui, explored gene-environment correlations. His research also delves into dissecting polygenic signals from genome-wide association studies on human behavior. These studies underscore the intricate interplay between genetic predispositions and environmental influences in shaping human characteristics and societal structures.