🚀 New paper Association for Psychological Science & press release! 🧬📖 🧮 Our large-scale study (20,000 children) shows that #ADHD, #dyslexia, and #dyscalculia often co-occur due to shared genetic risk—not because one condition causes the other. doi.org/10.1177/095679… vu.nl/en/news/2025/g… (1/5)

Key findings ✅37% of kids with ADHD also have dyslexia or dyscalculia ✅Learning difficulties don't result from ADHD itself ✅Rather, genetic risk for ADHD raises risk of learning difficulties ✅Genetics explain 75% of differences in academic skills doi.org/10.1177/095679…

👩‍🔬 What does this mean? Treating #ADHD alone is unlikely to improve reading/math skills, just as treating #dyslexia won't reduce ADHD symptoms. A remedy for one is not a remedy for the other! 📰 Press vu.nl/en/news/2025/g… 📢 Association for Psychological Science doi.org/10.1177/095679… 3/5

37% van ADHD kinderen hebben dyslexie of dyscalculie. Dit zijn geen gevolgen van ADHD. Het verband ontstaat door gedeelde genetische risicofactoren. Hoe makkelijk kinderen deze skills leren wordt voor 75% verklaard door genetische verschillen. journals.sagepub.com/doi/10.1177/09…

Shared genes explain why ADHD, dyslexia, and dyscalculia often occur together, study finds psypost.org/shared-genes-e…

The relationship between parents' education and children's academic achievement is predominantly determined by genes. Children's academic achievement is linked to their parents’ education, a link often attributed to resources and support in the home. Although there is

Link: osf.io/preprints/psya…

🚨 Big question, big paper! Why does educational inequality run in families? The parent-child education link (r = .31) is often seen as purely environmental. From 569k kids, we decomposed it: 🧬68% genetic 🏡12% parental env 👴20% extended-family env 👉osf.io/rehdj 🧵

Big performance differences by parental education 📊 While boys and girls scored similarly, a striking education gradient emerged: 🎓 Teens of Master's-educated parents mostly scored above the mean 🧑‍🔧 Teens of lower-secondary educated parents mostly scored below the mean 🧵

Breaking down the .31 parent-offspring correlation: 🧬68% genetic 👨‍👩‍👧12% parental environment 👴20% extended-family environment Some influence runs via the co-parent (assortative mating). Most influences on kids’ achievement aren't shared with those on parent attainment. 🧵

We krijgen allemaal veel mee van onze ouders: opvoeding, financiële middelen, een netwerk... Maar het voornaamste dat ze ons meegeven (en dat blijkt uit veel studies): hun genen. Biologie bepaalt niet alles maar biologie ontkennen werkt al helemaal niet.

Geoffrey Miller Paul Graham The story continues... x.com/drElsje/status…

Thanks! Here with the link to the paper: osf.io/rehdj Fartein Ask Torvik Monica Melby-Lervåg Hans Fredrik Sunde Dr Caro Rowland