The drug popularly known as ecstasy may boost sociability through brain circuits distinct from that underlying its ‘high.’

Women whose children are severely autistic have lower serotonin levels than do those whose children have mild or moderate autism traits.

Boosting the levels of the chemical messenger serotonin makes mice that model autism more social — and brings new hope to a shelved theory in autism.

A drug that keeps neurons bathed in the chemical messenger serotonin prevents social abnormalities in a mouse model of dup15q syndrome.

A movement to ban valproate during pregnancy gains a foothold in France, people with auditory hallucinations seek to demedicalize the experience, and adults on the spectrum speak out.

Paternal age drives ‘geek index’ scores, GWAS may have a big weakness, serotonin boosts mouse social behaviors, and what is science Tinder?

Increased autism risk among children exposed to antidepressants in utero may be related less to the medications than to the mothers’ depression.

Infection during pregnancy may blunt the growth of neurons in the fetus by boosting levels of the chemical messenger serotonin.

Prairie vole pups exposed to the antidepressant fluoxetine in the womb show autism-like behaviors and lose some receptors for oxytocin and vasopressin.