What really predicted risk for schizophrenia is how much you deviate from the predicted IQ that we get from your relatives. If you’re quite a bit lower, that carries a high risk for schizophrenia. Not achieving the IQ that you should have based on your genetic constitution and family background seems to most strongly predispose for schizophrenia.”
For the study, researchers assessed the IQs of more than 1.2 million Swedish males (ages 18-to-20) born between 1951 and 1975. Schizophrenia-related hospitalization was tracked for 24 years until 2010. Subjects with a lower IQ than their siblings were at the greatest risk for developing schizophrenia.
I’m a lot slower than my predicted IQ. I could easily tell this at the dinner table my whole life. Everyone in my family is good at telling stories. I could never explain something from a movie or something like that. I always wondered why I couldn’t keep up with them.