Prenatal Stress Hormones Alter Brain Development

Summary: Environmental factors like stress and medication exposure during pregnancy can shape brain development, but the mechanisms remain unclear. Researchers used brain organoids to study the effects of synthetic glucocorticoids,…

How Ketamine Binds to Brain Receptors to Alter Mood

Summary: New research sheds light on how ketamine affects the brain by targeting a specific NMDA receptor subtype, GluN1-2B-2D. Scientists used electron cryo-microscopy to capture how ketamine binds to this…

Prozac Shows Promise in Fighting Infections & Sepsis

Summary: New research suggests that fluoxetine, commonly used as an antidepressant, may also help protect against infections and sepsis. Scientists found that the drug has antimicrobial properties and helps regulate…

AI vs. Human Therapists: Study Finds ChatGPT Responses Rated Higher

Summary: A new study suggests that ChatGPT’s responses in psychotherapy scenarios are often rated higher than those written by human therapists. Researchers found that participants struggled to distinguish between AI-generated…

Cerebellar Serotonin Acts as a Brake to Reduce Anxiety

Summary: New research reveals that serotonin in the cerebellum plays a crucial role in anxiety regulation. Scientists found that mice with lower cerebellar serotonin levels displayed increased anxiety-like behaviors, while…

Ketogenic Diet May Stabilize Mood in Young People with Bipolar

Summary: Researchers are launching a multi-site pilot study to assess whether a ketogenic diet, alongside standard medications, can stabilize mood symptoms in young people with bipolar disorder. The 16-week trial…

How the Brain Overcomes Instinctive Fear and Adapts to New Threats

Summary: Researchers have identified brain mechanisms that help animals suppress instinctive fear responses when threats prove harmless over time. Using a visual threat model in mice, they found that specific…

Blood Test May Predict Postpartum Depression Through Hormone Levels

Summary: Women who develop postpartum depression (PPD) may have distinct neuroactive steroid levels during the third trimester of pregnancy. A study found that those with PPD had lower levels of…

How Large Social Circles Foster Trust

Summary: A new study challenges the belief that larger groups reduce cooperation, showing instead that flexible social connections enhance teamwork. Researchers found that in a prisoner’s dilemma game, participants in…

Empathy Peaks in Young Adults

Summary: A new study reveals that young adults show the strongest empathic responses to others in physical or social pain, compared to adolescents and older adults. Researchers measured brain activity…