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% ...

Researchers at Case Western Reserve University School of Medicine have created the first complete model to describe the role that serotonin plays in brain development and structure. Serotonin, also ...

People with fewer happy chemicals in their brain might be at greater risk of neurodegeneration from Alzheimer's disease, according to new research. Of people with mild cognitive impairment, those with ...

Researchers have uncovered novel aspects of astrocyte function in olfactory, or smell, perception revealing changes in their gene expression patterns that turn these brain cells into a hub of ...

Researchers have found that SSRI (Selective Serotonin Reuptake Inhibitors) antidepressants have the potential to improve certain cognitive functions, such as verbal memory. They measured brain ...

Serotonin is a neurotransmitter, a chemical that moves back and forth in the space (called the synapse) between two nerve cells, or neurons. When one neuron is ready to send a message to another, it ...

Low levels of serotonin in the brain are seen as a possible cause of depression and many antidepressants act by blocking a protein that transports serotonin away from the nerve cells. A brain imaging ...

Myth #1: Serotonin is only found in the brain Serotonin definitely plays a key role in our brain function. But, only a tiny fraction of all the serotonin in our bodies is actually in our brains. In ...

The intricate web of chemical messengers that facilitate communication between neurons represents one of the body’s most complex and fascinating systems. These neurotransmitters, including serotonin, ...