Summary: Researchers have discovered that the neurotransmitter orexin, not the stress hormone noradrenaline, regulates pupil size, challenging prior understanding. Orexin neurons affect pupil size in response to emotional states and…
Tag: neuroscience
AI tool ‘reads’ brain tumors during surgery to help guide decisions
Scientists have developed an artificial intelligence (AI) tool capable of deciphering a brain tumor’s genetic code in real time, during surgery—an advance they say could speed diagnosis and personalize patients’…
New Dads with Prior Antidepressant Use 30x More Likely to Restart Treatment
Summary: New fathers with a history of antidepressant use are over 30 times more likely to require such treatment again in the first year after their child’s birth. The study,…
Live Music Outperforms Recorded Shows for Infant Engagement
Summary: The magic of live performances is not lost on infants, as new research suggests that live music captivates them more than recorded versions of the same show. Researchers noticed…
Food insecurity tied to slightly faster memory decline
Food insecurity is associated with slightly faster memory decline in middle- to older-aged U.S. adults, according to a study published online July 3 in JAMA Network Open. Peiyi Lu, Ph.D.,…
Breast Milk Component Boosts Infant Brain Connectivity
Summary: Researchers have discovered that myo-inositol, a small cyclic sugar molecule found in breast milk, plays a crucial role in promoting neuronal connections in infants’ brains. Prior studies indicated the…
Aggression Is A Result of Self-Control, Not Lack Thereof
Summary: A new study contests the belief that aggression stems from poor self-control. Instead, it suggests that aggression is often a deliberate, controlled act, inflicted to maximize retribution. This finding,…
Eyeing Fear: Neurons That Drive Visual Aversion Uncovered
Summary: Scientists have unearthed a cluster of neurons, which control our urge to avert our gaze from frightening situations. The team studied fruit fly brains and found these neurons release…
Enigmatic immune cells help to avoid harmful allergens
Mast cells and IgE promote immunity of avoidance. Model of mast-cell-mediated avoidance behavior in the framework of type 2 immunity. Barrier damage facilitates entry of antigens (for instance, occupational and…
