Archive for August, 2011

Analysis of a Tutsi genotype

With this post, Tutsi probably differ genetically from the Hutu, I hope to tamp down all the talk about how the Belgians invented the Tutsi-Hutu division. After putting the call out it took 2 months for me to get my hands on a genotype, and less than 24 hours to post some results.

Thoughts on the BGI IQ study

I’ve been following the development of the BGI study on IQ pretty closely. I wanted to note two main caveats people should be aware of with regard to its methodology. First, as with any case-control study, volunteer bias will be an issue. If the cases are a certain class of very smart people, rather than […]

Looking for a few good 145+ I.Q. individuals

Cross-posted from Discover My friend Steve Hsu gave a talk at Google today. Here are the details: I’ll be giving a talk at Google tomorrow (Thursday August 18) at 5 pm. The slides are here. The video will probably be available on Google’s TechTalk channel on YouTube. The Cognitive Genomics Lab at BGI is using […]

Split brains, autism and schizophrenia

A new study suggests that a gene known to be causally linked to schizophrenia and other psychiatric disorders is involved in the formation of connections between the two hemispheres of the brain. DISC1 is probably the most famous gene in psychiatric genetics, and rightly so. It was discovered in a large Scottish pedigree, where 18 […]

Welcome to your genome

There is a common view that the human genome has two different parts – a “constant” part and a “variable” part. According to this view, the bases of DNA in the constant part are the same across all individuals. They are said to be “fixed” in the population. They are what make us all human […]