Dopamine signals when a fear can be forgotten, study shows
Dangers come but dangers also go and when they do, the brain has an "all-clear" signal that teaches it to extinguish its fear.
Apr 28, 2025
0
174
Nervous System: News and Research on Cerebral Peduncle
MeSH tree: A08.186.211.132.659.413
Autism: The neural origin of the social bond
From birth, human survival depends on the ability to engage with others. This ability, which is essential for development, seems to be impaired very early on in children with autism spectrum disorders (ASD), who show limited ...
Apr 14, 2025
0
36
Serotonin functions as 'prospective code for value' in brain's reward processing system
In our day-to-day lives, we're constantly making a slew of decisions, from immediate matters to prospects on the far horizon. But the evolutionary nuts-and-bolts of how our brains weigh these numerous daily decisions and ...
Apr 4, 2025
0
55
Dopamine neurons that fuel overeating may weaken effectiveness of obesity medication
Delicious and extremely palatable food can increase the tendency of hedonic eating, where one consumes food for the sole purpose of deriving pleasure instead of the body's energy needs. Hedonic eating often leads to eating ...
How cholesterol regulation may affect Alzheimer's development
Alzheimer's Disease (AD) is characterized by a host of recognizable cognitive symptoms, but many non-cognitive symptoms like sleep changes, anxiety, and depression can be early signs of the disease. These symptoms of underlying ...
Mar 26, 2025
0
107
Two brain areas compete for control of memories, optogenetics study shows
Researchers at Ruhr University Bochum, Germany, have studied the impact of two brain areas on the nature of memory content. The team from the Department of Neurophysiology showed in rats how the so-called locus coeruleus ...
Mar 14, 2025
0
112
Decoding the neural basis of affective empathy: How the brain feels others' pain
Empathy—the ability to share and understand the emotions of others—is a cornerstone of human social interactions. When we witness someone in pain, we often experience a mirrored emotional response, a phenomenon known as affect ...
Mar 10, 2025
0
46
A new path to recovery: Scientists uncover key brain circuit in the fight against cocaine use disorder
Imagine a future where the grip of cocaine use disorder can be loosened, where cravings fade, and the risk of relapse diminishes. A new study published in Science Advances, led by Penn Nursing's Heath Schmidt, Ph.D., brings ...
Feb 26, 2025
0
38
Hormone FGF21 found to influence brain's food reward system in response to protein restriction
When faced with multiple food options and ultimately choosing one, the factors of that decision-making process may be more physiological than previously assumed. A group of scientists led by Pennington Biomedical Research ...
Feb 26, 2025
0
16
Manipulating neural circuits in mice can make social interaction more or less rewarding
Neuroscientists have new insights into why previous experiences influence future behaviors. Experiments in mice reveal that personal history, especially stressful events, influences how the brain processes whether something ...
Feb 13, 2025
0
21
