Summary: Researchers at Gladstone Institutes have decoded how parvalbumin (PV) interneurons generate gamma oscillations—the fast brain waves essential for attention and memory—by firing in precise, successive waves rather than all…
Category: neurobiology
Alcohol Tricks Brain Cells Into Destroying Themselves
Summary: Researchers have discovered that alcohol-induced brain dysfunction is actively driven by resident immune cells rather than direct neuronal toxicity alone. Upon heavy alcohol exposure, microglia retract their surveillance branches…
Prenatal Stress Alters the Placenta to Shape Fetal Brain Development
Summary: Chronic stress during pregnancy fundamentally shifts how the placenta communicates with the fetus, altering vital antiviral immune signaling, cellular energy metabolism, and gene-regulatory programs. These placental changes, confirmed across…
Key Brain Circuit Linked to Teen Anxiety Identified
Summary: Brain imaging in nearly 3,500 adolescents reveals that disrupted connectivity across a key subcortical-cerebellar circuit—connecting the amygdala, thalamus, and cerebellum, is directly associated with heightened anxiety. The alterations, already…
Higher BMI Linked to Longer Survival After a Dementia Diagnosis
Summary: A long-term study of more than 4,500 older adults reveals that individuals who are overweight or obese when diagnosed with dementia exhibit a significantly lower risk of death than…
How Dark Traits Reshape Speech
Summary: A narrative psychology study from the University of Mississippi challenges the popular stereotype that individuals with psychopathic traits speak with cold, emotionless detachment. Published in Personality and Individual Differences,…
Early DBS Protects Cognition in Genetic Parkinson’s
Summary: A multi-center international study reveals that the timing of Deep Brain Stimulation (DBS) surgery is the deciding factor in preserving cognitive function for Parkinson’s disease patients carrying a GBA1…
Can an AI Ever Truly Be “Conscious” in the Eyes of Humans?
Humans refuse to attribute consciousness to AI even when it acts identically to a human.
