Washington, March 8 (ANI): For the first time in humans, scientists at UCLA have measured the release of a specific peptide, a neurotransmitter called hypocretin, that greatly increased when subjects were happy but decreased when they were sad.

Washington, July 26 (ANI): A medication approved for treatment of Parkinson's disease significantly decreased impulsivity in healthy adults by raising levels of the neurotransmitter dopamine in the frontal cortex of the brain, a new study has found.

Washington, June 18 (ANI): Researchers have identified commensal bacteria in the human intestine that produce a neurotransmitter that may play a role in preventing or treating inflammatory bowel diseases such as Crohn's disease.

Washington, May 10 (ANI): Although we know that forgetting is normal, exactly how we forget-the molecular, cellular, and brain circuit mechanisms underlying the process-is poorly understood.

Washington, Nov 4 (ANI): Impulsive individuals behave aggressively, in part, because they have lower levels of GABA (gamma-aminobutyric acid), the most important inhibitory neurotransmitter, in a specific part of their brain involved in regulating self-control, according to a new study.

Washington, Sept 06 (ANI): Researchers have been trying to pin down the role of zinc in the brain for more than 50 years, ever since scientists found high concentrations of the chemical in synaptic vesicles, a portion of the neuron that stores neurotransmitters.