Summary: Generative AI summaries can distort eyewitness memory, leading people to misremember events they personally observed. In a controlled experiment, exposure to misleading AI-generated summaries substantially reduced participants’ recall accuracy and implanted false details—even when readers were told the summaries were produced by AI. Key Facts: High Omission Rates: Across commercial multimodal models, including ChatGPT … Read more

Summary: Supported by a five-year K01 award of more than $943,000 from the National Institute on Drug Abuse (NIDA), neuroscientists at the University of Central Florida are investigating how nicotine reshapes neuronal mitochondria in the nucleus accumbens. By examining subcellular changes that promote drug-seeking behavior, the team aims to reveal molecular targets for better treatments … Read more

Summary: Researchers at the University of California, San Francisco (UCSF) have identified a set of 16 blood proteins whose levels change sharply during the menopausal transition. These molecular changes align with hormonal fluctuations—particularly in estradiol and follicle-stimulating hormone (FSH)—rather than with chronological age alone. In separate analyses of nearly 12,000 older women, higher midlife levels … Read more

Summary: When public reputation and direct personal experience conflict, people tend to trust their own interactions more than social gossip when judging refusals to help. A new study from Rissho University describes an asymmetric moral calculus: acts of helping are praised broadly, regardless of background signals, while refusals to assist are evaluated largely through the … Read more

Summary: Challenging a long-held assumption in sensory neuroscience, researchers have shown that correlated fluctuations, often called noise correlations, do not impose a strict upper limit on the amount of sensory information large neural populations can encode. By analyzing recordings from more than 20,000 neurons in the primary visual cortex (V1) across mammalian models, the team … Read more

Summary: Researchers at Mississippi State University have developed a validated mathematical framework that simulates how trace metals such as copper and zinc accelerate the aggregation of amyloid-beta (Aβ) proteins — a hallmark process in Alzheimer’s disease. Calibrated against atomic force microscopy (AFM) measurements, the model quantifies the kinetic steps by which metal binding promotes nucleation … Read more

Summary: A longitudinal study of nearly 3,900 older adults found that strong social support consistently protects attention from age-related decline across sex, race, and ethnicity, but it does not negate the damaging cognitive effects of persistent, chronic stress. The research revealed that chronic stress and social support appear to operate through different mechanisms. Women exposed … Read more

Summary: Using cryogenic electron microscopy and synthetic model membranes, researchers have mapped how the membrane phospholipid PIP2 binds to cyclic nucleotide-gated (CNG) ion channels in human retinal rod cells. The study shows that even at very low concentrations, PIP2 stabilizes these channels in a closed state, helping tune visual sensitivity in dim light and identifying … Read more

Summary: A comparative EEG study shows that companion dogs, like humans, favor consonants over vowels when breaking continuous speech into word-like units. The results indicate that complex auditory parsing and statistical learning can arise in a nonhuman species without formal language ability, suggesting common auditory strategies across mammals for identifying word boundaries in fluent speech. … Read more

Summary: Most primates, including humans, develop large, highly folded brains, but the common marmoset grows a notably smaller and nearly smooth neocortex. Using three-dimensional brain organoids together with fetal tissue, scientists at the German Primate Center (DPZ) have pinpointed cellular mechanisms that downscale cortical growth in marmosets. The team found that neural progenitor cells in … Read more