Desensitization of neurons to dopamine is a well-known effect in addiction. However, researchers found a natural example of ...
Starting a regular program at the gym is a common New Year's resolution, but it's one that most people are unable to stick with for very long. Now a study done in mice is providing clues about one of ...
Dopamine doesn’t flood the brain as once believed – it fires in exact, ultra-fast bursts that target specific neurons. The discovery turns a century-old view of dopamine on its head and could ...
Dopamine is the brain’s motivational spark, driving us to chase what feels good and steer clear of what doesn’t. But scientists haven’t fully understood how dopamine helps us learn to avoid bad ...
New research shows that the same dopamine receptor mechanism responsible for drug addiction also governs the natural decline in motivation when we repeat rewarding behaviors.
Within the human brain, movement is coordinated by a brain region called the striatum, which sends instructions to motor neurons in the brain. Those instructions are conveyed by two pathways, one that ...
Recent scientific research has unveiled a crucial link between hormones, dopamine, and the learning process, potentially ...
A new study on laboratory rats has found that the brain’s ability to learn from rewards is enhanced by the hormone estrogen.
Researchers carrying out functional magnetic resonance imaging (fMRI) studies in different areas of the human brain have discovered how cocaine addiction disrupts the dopamine neurons that govern how ...