Brain Mechanisms Behind Empathy Deficits in Psychopaths
When people with high levels of psychopathic traits imagine others in pain, brain regions normally involved in empathy and caring fail to…
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Why Poverty Is Not the Main Cause of Family Mental Health Issues
Key Questions Answered Q: Does poverty amplify mental health problems between parents and children?A: This large longitudinal study found no evidence that…
Why Animals Are Getting Smaller: The Role of Ecology
Summary: New theoretical research challenges long-standing assumptions about animal size evolution. Using computer simulations, the study shows how ecological factors—especially competition for…
Diet Changes That Reduce Cognitive Decline
Summary: Greater adherence to a Mediterranean-style diet was associated with the lowest risk of cognitive impairment in two large eye-disease cohorts. Higher…
Genetic Variant Predicts Psychosis Risk in Young Cannabis Users
Researchers at the University of Exeter and UCL identify AKT1 gene as a predictor of sensitivity to the mind-altering effects of smoked…
High-THC Cannabis Raises Psychosis and Addiction Risk
Summary: A comprehensive systematic review of 99 studies involving 221,097 participants found that high-concentration delta-9-tetrahydrocannabinol (THC) cannabis products are linked to negative…
Bowel Blockage Symptoms: Prolonged Sleep and Food Avoidance
Summary: Researchers have solved a 112-year-old genetic mystery while mapping a vital gut–brain signaling loop that controls early-life survival. The study examined…
Sleep Deprivation Can Cause Schizophrenia-Like Symptoms
Psychologists at the University of Bonn report striking cognitive and perceptual deficits after a single sleepless night An international team led by…
Mother Mice Use Oxytocin to Teach Parenting to Other Females
Summary: Observing experienced mothers gather and care for pups trains virgin female mice to copy that parenting behavior. In these virgins, watching…
Will AI Brains Need Sleep?
Summary: Simulations of spiking neural networks became unstable after prolonged unsupervised learning. Introducing activity patterns similar to biological slow-wave sleep restored stability…
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