Summary: Researchers analyzed human motivation from an evolutionary perspective, identifying 15 key motives that drive behavior. These motives, grouped into five categories—environmental, physiological, reproductive, psychological, and social—reflect adaptations that helped…
Category: brain research
Depression Speeds Up Physical Illness
Summary: Adults with a history of depression develop long-term physical conditions about 30% faster than those without, according to a large study. Researchers analyzed data from over 172,000 participants and…
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…
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…
Dopamine Clock May Drive Bipolar Mood Swings
Summary: New research suggests that mood swings in bipolar disorder are regulated by two clocks: the body’s 24-hour circadian rhythm and a dopamine-based clock that influences alertness. When these clocks…
Long COVID Impairs Exercise Capacity and Cognition for Years
Summary: A study of nearly 1,000 people with post-COVID-19 syndrome (PCS) revealed that two-thirds still experienced significant symptoms, including reduced exercise capacity and cognitive performance, two years after infection. Persistent…
GLP-1 Drugs Offer Brain Benefits but May Pose Other Health Risks
Summary: A study analyzing data from over 2 million veterans found that GLP-1 receptor agonists, popular weight-loss drugs like Ozempic and Wegovy, provide significant neurological and behavioral health benefits, including…
Men Are Three Times As Likely to Die From Brain Injuries
Summary: A 2021 analysis of U.S. mortality data highlights disparities in traumatic brain injury (TBI)-related deaths, which disproportionately affect older adults, men, and certain racial and ethnic groups. Suicides remain…
How We Make Life’s Toughest Choices
Summary: A new study presents a novel framework for understanding transformative life decisions, focusing on their complexity and emotional impact. Researchers identified five key dimensions—conflicting cues, change of self, uncertain…
