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 ...

A new study explores the interplay between the serotonin system and estradiol in the brain, showing that the central nervous system in patients with premenstrual dysphoric disorder (PMDD) seems to ...

Why some people develop major depressive disorder and others do not is a complex and not well-understood process. Several factors have been discussed to contribute to depression, among them: Genetic ...

In the last couple blog posts, I introduced the serotonin transporter promoter gene, or 5-HTTLPR. It’s a gene that controls how many serotonin re-uptake transporters you have, and differences in this ...

An investigation published in the current issue of Psychotherapy and Psychosomatics suggests a link between genetic aspects and response to treatment for fear. Methodological problems of existing ...

Vanderbilt University Medical Center investigators have found a surprising link between brain iron levels and serotonin, a neurotransmitter involved in neuropsychiatric conditions ranging from autism ...

The serotonin transporter acts as a molecular pump for serotonin, recycling the neurotransmitter following neuronal signaling. Serotonin shapes neurological processes including sleep, mood, cognition, ...

The embargo on this release has changed since it originally posted. Alcohol researchers already know that genetic and environmental factors influence drinking. New research examines what impact a ...

Some people can adjust to environmental stressors to avoid depression. Women need to do this more than men to avoid getting depressed. The researchers used 'winter blues' (SAD) as a model for ...

January 10, 2011 — New findings point to a robust relationship between depression, stress, and the serotonin transporter promoter polymorphism 5-HTTLPR, according to the authors of a meta-analysis in ...