Dopamine and Thrill Fatigue: Why Repeated Rewards Lose Value
Summary: New research reveals that the same dopamine receptor mechanism implicated in drug addiction also underlies the natural decline in motivation after…
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New Dimensional Method Reveals Biomarker for Inattention
Summary: Greater variability in reaction time is associated with reduced gray matter volume in the ventromedial prefrontal cortex, a new study reports.…
Lifestyle Changes Cut Memory Decline Even With Genetic Risk
Summary: A two-year multidomain lifestyle intervention reduced cognitive decline even among people who carry the APOE ε4 gene, a known genetic risk…
Why We Avoid Empathy: The Hidden Mental Effort
Summary: The cognitive effort required to feel empathy leads many people to avoid empathic engagement, even when there is no emotional or…
Cut Social Media by 15 Minutes a Day to Improve Sleep and Mood
Summary: Cutting daily social media time by just 15 minutes can lead to notable improvements in general health, immune function, sleep quality,…
Binge Drinking Boosts Alcohol Problems Risk in Moderate Drinkers
Summary: Moderate drinkers who regularly binge are far more likely to develop alcohol use problems than moderate drinkers who do not binge.…
Promising Treatment Strategy for Central Nervous System Injuries
Ryk and Wnt Signaling Control Neural Remodeling and Improve Recovery After Spinal Cord Injury Neurobiologists at UC San Diego have shown that…
Study Reveals New Gene Linked to Neurodegenerative Diseases
Summary: Researchers have identified a critical connection between the Angiogenin (ANG) gene and several age-related neurodegenerative conditions, including frontotemporal dementia (FTD), motor…
How the End of Daylight Saving Time Affects Depression
Summary: A new register-based study from Denmark finds a measurable increase in depression diagnoses following the annual transition from daylight saving time…
How Brain Immune Cells Shape Sexual Behavior
Summary: Researchers report that mast cells—immune cells often overlooked in neuroscience—play a critical role in shaping whether an animal’s sexual behavior develops…
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