Serotonin is an important neurotransmitter in the function of the central nervous system and the gastrointestinal tract in both non-vertebrates and vertebrates. Serotonin is involved in the ...

In our day-to-day lives, we're constantly making a slew of decisions, from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous ...

A better understanding of how a key chemical messenger acts in the brain could lead to a radical shift in psychiatric care, according to a new research paper. Serotonin is a neurotransmitter which ...

In a study looking at brain scans of people with mild loss of thought and memory ability, Johns Hopkins researchers report evidence of lower levels of the serotonin transporter—a natural brain ...

Women and men appear to respond differently to the same biochemical manipulation. Major depressive disorder is one of the most common mental disorders, and it is also one of the most studied. A new ...

Years before someone with Parkinson's disease has any movement-related symptoms, slight malfunctions of the brain's serotonin system could be an early warning sign that the roots of PD are taking hold ...

Years before someone with Parkinson's disease has any movement-related symptoms, slight malfunctions of the brain's serotonin system could be an early warning sign that the roots of PD are taking hold ...

Loss of the "happiness" brain hormone serotonin might play a role in the decline of brain function as a person ages, a new study reports. People with mild cognitive impairment (MCI) had up to 25% ...