Schizophrenia is characterised by dysregulation of dopaminergic transmission, particularly within subcortical circuits. Advances in molecular imaging have enabled direct quantification of presynaptic ...

A finding by a McGill-led team of neuroscientists could open doors to new treatments for a range of psychiatric and neurological disorders attributed to dysfunctions in specific dopamine pathways. For ...

A groundbreaking study using positron emission tomography (PET) imaging has found that patients with schizophrenia had ...

Different receptors respond to different neurotransmitters or hormones, such as adrenaline involved in the fight-or-flight response, or dopamine linked to reward and motivation. Both the receptors ...

For decades, dopamine has been celebrated in neuroscience as the quintessential "reward molecule"—a chemical herald of pleasure, motivation, and reinforcement. In popular understanding, higher ...

Regular high caffeine consumption affects dopamine function in patients with Parkinson's disease, shows a new international study. Caffeine consumption before undergoing diagnostic brain dopamine ...

New Canadian data suggest an explanation for long COVID symptoms such as fatigue, lack of motivation, slowed movement, and ...

Dopamine agonists are medications that mimic the effects of dopamine, which can be helpful if you have low dopamine levels. Dopamine is a complex and key neurotransmitter responsible for many of our ...

This is part 4 of a 5-part series on modern perspectives on ADHD. Part 3, "Is ADHD Really a Disorder?" is available here. If a distinct population of individuals have something we describe as ADHD, ...