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Reporting the latest scientific research on behavior, cognition and society
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Adolescent narcissism brings brief popularity but not likeability among peers, study finds
7+ hour, 52+ min ago (340+ words) Theoretical models suggest that narcissistic individuals use different strategies to navigate social situations. Grandiose narcissism is often linked to overt, status-seeking behaviors like extraversion and social charm. In contrast, vulnerable narcissism is associated with more covert attempts to gain inclusion,…...
A nap after sleep deprivation cleared the brain's fatigue signals before learning began — exercise didn't touch them, yet it produced the same memory benefit by sharpening how the brain responded when new information arrived
13+ hour, 44+ min ago (962+ words) A 20-minute workout protects memory after sleep loss just as well as a 90-minute nap PsyPost A 20-minute workout protects memory after sleep loss just as well as a 90-minute nap Experiencing a sleepless night often makes it difficult to…...
Getting a smartphone before age 13 linked to worse mental health in young adulthood
4+ day, 2+ hour ago (891+ words) Scientists and policymakers have expressed growing concern over the modern digital landscape. Smartphones operate as gateways into algorithmically curated digital environments. These algorithms are designed by artificial intelligence (AI) programs to maximize user engagement, often by presenting content that keeps…...
Analyzing infant cries to detect autism shows potential, but definitive evidence is still lacking
4+ day, 23+ hour ago (551+ words) PsyPost...
People with narcissistic traits generate more original and malicious ideas for revenge, study finds
6+ day, 24+ min ago (583+ words) People who have previously used their imagination to harm others or who possess highly narcissistic traits tend to generate more original and malicious ideas for revenge. These findings indicate that past actions and personality shape how individuals apply their problem-solving…...
A moderate dose of beer reduces your willingness to help others in pain
6+ day, 27+ min ago (793+ words) Alcohol is frequently consumed in social settings, prompting scientists to explore how it might alter these empathic abilities. Prior research has yielded mixed results, leading researchers to wonder if the type of beverage matters. For example, a 2018 study found that…...
More time spent playing video games is linked to a thinner cerebral cortex in adolescents
1+ week ago (655+ words) Adolescents who spend more time playing video games tend to show differences in the outer layer of their brains, such as a thinner cortex and smaller surface area. The research, published in NeuroImage, provides a nuanced look at how solo…...
Cannabis use alters how the human brain processes nicotine, new research suggests
1+ week ago (934+ words) Cannabis and tobacco are frequently used together, and co-use is rising as legal cannabis markets expand and product varieties increase. Cannabis is a psychoactive plant containing compounds like delta-9-tetrahydrocannabinol (THC) and cannabidiol (CBD). Nicotine is the highly addictive chemical…...
Common artificial sweetener aspartame makes brain cells more vulnerable to stroke damage, mouse study suggests
1+ week, 1+ day ago (642+ words) Additionally, a 2023 study indicated that treating human brain cells with aspartame led to oxidative stress and damage to mitochondria, the energy-producing structures inside cells. The new research, led by Yan Bai and Ji Feng at Fudan University, aimed to test…...
Watching violent online pornography is linked to poorer sexual health
1+ week, 1+ day ago (425+ words) The World Health Organization defines sexual health as a broad state of physical, emotional, and social well-being. This definition goes beyond the mere absence of disease to include psychosocial skills that help people form healthy relationships. Two of these foundational…...