With full genetic control and visibility into neural activity and behavior, scientists map out chemical's role in behavior. Because serotonin is one of the primary chemicals the brain uses to ...

Anxiety and depression are two of the most frequently occurring mental disorders worldwide. Light-activated nerve cells may indicate how they are formed. By coupling nerve cell receptors to ...

A major paper debunking the “serotonin hypothesis” has a lot of people agitated. But leaving more room for nuance in our discussions about mental health is the right idea. Building a more complex, ...

Scientists have identified a molecular intermediate of a serotonin receptor that is involved in diseases such as depression and schizophrenia. The study points to a potentially new target for ...

Comparing PET scans of more than 90 adults with and without mild cognitive impairment (MCI), Johns Hopkins Medicine researchers say relatively lower levels of the so-called "happiness" chemical, ...

In a discovery that could guide the development of next-generation antidepressants and antipsychotic medications, researchers at the Icahn School of Medicine at Mount Sinai have developed new insights ...

Because serotonin is one of the primary chemicals the brain uses to influence mood and behavior, it is also the most common target of psychiatric drugs. To improve those drugs and to invent better ...