Summary: A new study identifies brain area 46 in the marmoset dorsolateral prefrontal cortex as a key regulator of mood-related behavior. When this region was inactivated, the animals showed less…
Tag: neurobiology
How Stress Types Differently Impact Brain and Behavior
Summary: Stress is a universal experience, but not all stress affects the brain in the same way. A new study in rats reveals that acute stress provokes anxiety-like behaviors, especially…
Education Gap Is Speeding Up Aging in Millions of People
Summary: A new study reveals that Americans with less education are aging faster than those with more schooling, and the divide has widened over the past three decades. Biological age—measuring…
Parenting strategies are shifting as neuroscience brings the developing brain into clearer focus
A friend offhandedly told me recently, “It’s so easy to get my daughter to behave after her birthday – there are so many new toys to take away when she’s…
Experimental Drugs Reverse Autism Symptoms
Summary: Researchers have identified hyperactivity in the reticular thalamic nucleus as a driver of autism-like behaviors in mice. This brain region, which gates sensory information, was found to be overactive…
“Eureka!”: Surprising Brain Clues Predict When Inspiration Will Hit
Summary: A new study has shown that the brain leaves subtle traces of creativity minutes before an “aha!” moment. By filming mathematicians solving difficult problems, researchers found that behavior grew…
Eight New Genes Linked to Schizophrenia Revealed
Summary: The largest exome-sequencing study of schizophrenia to date has uncovered eight new genes tied to the disorder. Two genes, STAG1 and ZNF136, were strongly implicated, while six others showed…
Boosting Prefrontal Dopamine Shows Promise in Cutting Alcohol Use
Summary: A new study reveals that tolcapone, a dopamine-enhancing drug, strengthens brain circuits involved in self-control while reducing alcohol intake in people with alcohol use disorder (AUD). The drug boosts…
Highly Sensitive People Face Greater Mental Health Risks
Summary: A large-scale meta-analysis of 33 studies has shown that highly sensitive individuals are more prone to common mental health problems, including depression, anxiety, PTSD, and avoidant personality disorder. Sensitivity…
Bipolar Mood Shifts Linked to Insulin Signaling in the Pancreas
Summary: A new study uncovers a pancreas–hippocampus feedback loop that may help explain mood swings in bipolar disorder. Using patient-derived pancreatic islets, researchers found reduced insulin secretion linked to elevated…