Dietary L-theanine passes through the blood-brain barrier. Since it’s similar in chemical structure to glutamate, it competes with glutamate for receptors. After binding to receptors ...

4. Reward high performance and provide consequences ... they also help create two tasty brain chemicals: dopamine, which is triggered by the desire for reward; and oxytocin, which is triggered ...

To explain exactly how these "happiness" chemicals work, I spoke to Loretta Breuning, founder of the Inner Mammal Institute and author of Habits of a Happy Brain. The hormone dopamine is ...

For example, Dana Small (Yale University) described functional magnetic resonance imaging studies that showed how brain signals impinge upon human perceptions of chemical inputs. Ralf Heinrich ...

Studies of brain chemicals and neural connections have shown that most of a bird's small brain (notice it shown to scale) consists of a robust "pallium," or higher-processing center. In fact ...