Scientists in Japan have linked early serotonin deficiency to several symptoms that occur in autism. Experiments showed that increasing serotonergic activity in the brain during early development led to more balanced brain activity and improved the abnormal sociability of these mice.

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Scientists in Japan have linked early serotonin deficiency to several symptoms that occur in autism. Experiments showed that increasing serotonergic activity in the brain during early development led to more balanced brain activity and improved the abnormal sociability of these mice.