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News
Psychedelic drug calms hyperactive brain cells linked to chronic pain
1+ day, 9+ hour ago (980+ words) A single dose of the psychedelic compound psilocybin can rapidly relieve both chronic pain and the symptoms of anxiety and depression that often accompany it. The drug achieves this dual effect by calming hyperactive brain circuits associated with these linked…...
Doomscrolling political news during your downtime predicts reduced engagement at work
1+ day, 9+ hour ago (403+ words) The emotional reactions generated by these media diets do not simply disappear when people arrive at work. According to the conservation of resources theory, humans are intrinsically motivated to protect their personal resources. These resources include tangible things like time…...
The partisan divide over civil rights legislation widened abruptly in the 1990s and 2010s
1+ day, 9+ hour ago (223+ words) The scientists analyzed 202,775 articles of legislation sponsored by the US House of Representatives between 1973 and 2022. They used a combination of human expert tags and a computerized language model to evaluate whether a bill genuinely supported civil rights. First, they looked…...
Childhood adversity linked to altered physical response during stress
1+ day, 9+ hour ago (759+ words) Some scientists suggest this blunted response is an evolutionary adaptation. Children raised in persistently threatening environments might develop a lowered sensitivity to stress as a short-term survival strategy, protecting their bodies from being constantly overwhelmed. Yet in the long run,…...
Adolescent binge drinking permanently alters adult brain sensitivity to alcohol
1+ day, 9+ hour ago (424+ words) Heavy drinking during adolescence may leave the adult brain unusually sensitive to alcohol, according to a study published in Molecular Psychiatry. Experiments in male mice found that binge-like drinking during adolescence permanently changed how alcohol affected hippocampal nerve cells, although…...
Insomnia drug lemborexant reduces the gap between perceived and actual sleep
1+ day, 9+ hour ago (428+ words) A study of individuals suffering from insomnia in Japan found that a 12-week treatment with lemborexant improved both objective and subjective sleep parameters. It also reduced sleep-wake state discrepancy, potentially leading to improved daytime functioning. The paper was published in…...
Why some socially anxious people lash out in anger
1+ day, 9+ hour ago (817+ words) People with social anxiety are typically thought to avoid conflict, but a specific subgroup actually displays elevated levels of aggression. A new psychological analysis reveals that co-occurring traits of vulnerable narcissism, particularly self-centeredness, help explain why some socially anxious individuals…...
The biology of fandom: Live sports synchronize spectator heart rates and elevate oxytocin
1+ day, 9+ hour ago (392+ words) Oxytocin is a chemical messenger often referred to as a bonding hormone. It plays a role in social behavior, emotional regulation, and how humans connect with one another. Cortisol is a different hormone that serves as a primary indicator of…...
Voters punish politicians more for infidelity if their spouse leaves them
1+ day, 9+ hour ago (609+ words) PsyPost...
Repurposing a blood pressure drug for anxiety reveals unexpected sex differences in attention
1+ day, 9+ hour ago (246+ words) The researchers suspected that blocking these receptors might improve focus because they are concentrated in brain regions associated with inhibitory control. In addition, the distribution and activity of these receptors naturally differ between biological sexes, raising the possibility that treatments…...