Why Past Trauma Amplifies Future Stress

Summary: Researchers at the Icahn School of Medicine at Mount Sinai have uncovered an overlooked neural circuit in the anterior hypothalamic nucleus (AHN) that dictates how past trauma primes the…

Making Music May Rewire the Addicted Brain

Summary: A pilot neuroimaging study from Anglia Ruskin University reveals that music therapy directly modulates brain wave dynamics linked to emotional regulation and craving suppression in individuals recovering from drug…

Mitochondria in the Brain’s Reward Hub Drive Nicotine Dependence

Summary: Supported by a $943,000 NIH grant, neuroscientists at the University of Central Florida are investigating how nicotine alters neuronal mitochondria within the nucleus accumbens. By examining the subcellular mechanisms…

Chronic Stress Shapes Cognitive Aging

Summary: A longitudinal study of nearly 3,900 older adults revealed that while robust social support helps shield attention from age-related decline across all demographics, it does not counteract the harmful…

Loneliness Erases Nearly 6 Healthy Years

Summary: A massive observational study of more than 277,000 adults reveals that loneliness and social isolation significantly shorten disease-free life expectancy, stripping men of nearly six years and women of…

Disruption of Striatal D2 Receptor Neurons Drives ADHD and Impulsivity

Summary: Researchers have demonstrated that deleting the membrane-fusion protein NSF specifically from dopamine D2 receptor (D2R)-expressing neurons leads to striatal shrinkage, severe dopamine depletion, and classic ADHD-like hyperactivity and impulsivity…

Aging Brains Maintain Robust Language Networks Despite Cognitive Decline

Summary: While executive functions like memory and problem-solving naturally decline as we age, new brain imaging research reveals that the neural network responsible for language remains preserved and fully functional.…

Regenerative Astrocytes Repair Brain Damage

Summary: Researchers discovered a previously unknown mechanism through which the adult mammalian brain repairs itself following focal injuries or autoimmune damage. Using two-photon microscopy and longitudinal gene mapping in living…

Eye Tracking Reveals Where Human Reading and AI Processing Diverge

Summary: A new study evaluated whether large language models (LLMs) can accurately account for human reading dynamics. The team compared eye-tracking data from 368 adult readers against predictions generated by…

Dog Brains Differentiate Human Anger, Fear, and Sadness

Summary: A new study demonstrated that dogs possess specialized neural networks for processing human facial expressions. The team used functional magnetic resonance imaging (fMRI) and machine learning to analyze canine…