Dopamine is a key neurotransmitter known to modulate motivation and reinforcement learning. While the role of dopamine in these reward-related processes is well-established, the cellular and neural ...

A Finnish clinical imaging study shows that rest tremor in Parkinson's disease is not explained by greater dopamine loss.

How does dopamine control both movement and learning? New research reveals that acetylcholine acts as a "switch" for dopamine ...

A genetic postmortem analysis of the brains of patients with schizophrenia suggests dysfunction of dopamine receptors in the caudate nucleus may cause the disorder. Investigators identified a ...

Caffeine has been associated with a reduced risk of developing Parkinson's disease, but a new study says a coffee jolt might not be good for people already diagnosed with the brain disorder. Consuming ...

Alpha synuclein is a presynaptic protein that, when misfolded, contributes to neuronal degeneration and the progression of ...

SAN DIEGO — Tavapadon, a novel and highly selective partial agonist of dopamine D1 and D5 receptors, significantly improved motor function without increasing impulse control disorders in patients with ...

Can the function of just one small group of chemicals really determine whether you are happy or sad? Two neurotransmitters, dopamine and norepinephrine, called catecholamines, may do exactly that and ...

The concept of dopamine fasting has surged in popularity, particularly in high-performance environments like Silicon Valley. Proponents claim that temporarily abstaining from pleasurable activities ...