Psychology & Psychiatry

One year of school comes with an IQ bump, meta-analysis shows

A year of schooling leaves students with new knowledge, and it also equates with a small but noticeable increase to students' IQ, according to a systematic meta-analysis published in Psychological Science, a journal of the ...

Surgery

Anesthesia is safe in the young, study finds

A single exposure to general anesthesia poses no cognitive risk to healthy children under age three, a critical time in brain development, according to a multicenter study led by researchers at Columbia University Medical ...

Psychology & Psychiatry

Changing intelligence test performance: A century of IQ increases

In the general population, IQ increases have been observed over the past 100 years. But are we really becoming more intelligent and if so, how much more intelligent are we becoming? University of Vienna psychologists Jakob ...

Psychology & Psychiatry

More schools, more challenging assignments add up to higher IQ scores

More schooling—and the more mentally challenging problems tackled in those schools—may be the best explanation for the dramatic rise in IQ scores during the past century, often referred to as the Flynn Effect, according ...

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