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 ...

Why do some habits feel rewarding instantly while others take time? Experts explain how dopamine shapes motivation, why quick rewards are addictive, and how delayed gratification leads to lasting ...

Mount Sinai researchers have discovered distinct roles for two dopamine receptors located on nerve cells within the portion of the brain that controls approach vs. avoidance behavior. These receptors ...

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 ...

Nicotine is an addictive substance found in cigarettes and some vaping devices. Over time, continued nicotine use can lead to long-term brain changes. Nicotine is the active ingredient in tobacco, ...

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, ...

Researchers have discovered distinct roles for two dopamine receptors located on nerve cells within the portion of the brain that controls approach vs. avoidance behavior. Mount Sinai researchers have ...