There’s definitely a connection — but it’s not what you might be thinking. You’ll have to try out the latest additions to our psychological quizzes to be sure.

An article by an eminent philosopher promises to stir up controversy about introspection (metacognition) and understanding the mental states of others (mindreading), on the one hand, and autism and schizophrenia on the other.

A novel study tries to explain what appears to be the diametrically opposite nature of traits associated with autistic-spectrum disorders, on the one hand, and psychotic-spectrum disorders, on the other. With a particular focus on autism and on schizophrenia, the authors link social brain development and other phenotypic traits to evolutionary biology and genetics.

Headline writers are having a field day with the results of a meta-analysis to be published in The Lancet which found that cannabis users are 40% more likely than non-users to develop psychotic symptoms. Radio, print, and internet publications urge that more must be done to warn the public of the risks of cannabis use. But hold on, did the headline writers miss the lesson on correlation vs. causation in their Science for Journalists class?

Is your intelligence partly influenced by the same gene that influences susceptibility to schizophrenia? Apparently so, say researchers in the US, because the gene for dysbindin-1, previously implicated in schizophrenia, appears also to influence general human intelligence.

Held captive for 54 days by a partner later diagnosed with schizophrenia, she spent years in hiding with the US government’s victim witness program. Here, in the second excerpt from her forthcoming book ‘The Ascension’, singer and composer Kathryn Keats reflects on her recovery from the ordeal and on how it feels to have changed her identity.

Schizophrenics struggle with such symptoms as hallucinations, delusions, social withdrawal, and other mental impairments that interfere with a normal lifestyle. Now a new federally-funded study has provided a head-to-head comparison of drugs that are most effective for treating schizophrenia. Another analysis of results for 300 patients provided more insight into the best medications for schizophrenia.