Summary: In technology, lower latency is usually considered an unambiguous improvement. Yet a recent study suggests that making AI respond faster can sometimes reduce users’ perception of its thoughtfulness and usefulness. Researchers tested 240 people with chatbot responses deliberately delayed by different amounts (2, 9, or 20 seconds). Even when the content was identical, participants … Read more

Summary: How do strangers converge on the same habit or workplace norm? New research shows it’s not simple mimicry or complex calculation. Instead, people follow a two-stage process: they first sample different behaviors, then commit to one once a clear internal threshold is reached. That threshold is described by the Tolerance Principle, a compact mathematical … Read more

Summary: Researchers have reported a promising treatment for traumatic brain injury (TBI) based on a freeze-dried platelet-derived product called Thrombosomes. Developed initially to control battlefield bleeding, this shelf-stable biologic appears to strengthen damaged blood vessels in the brain, reducing immediate hemorrhage and the delayed swelling (cerebral edema) that often follows TBI. In controlled laboratory experiments … Read more

Summary: Strong adaptive skills in early childhood — including communication, self-care, and social competence — can help shield a child’s developing brain from some of the long-term effects of prenatal stress. Researchers treated Superstorm Sandy as a natural experiment to study mothers who were pregnant during the disaster and followed their children over several years. … Read more

Summary: How do strangers converge on a shared habit or workplace norm? New research suggests the process is neither simple imitation nor complex calculation. Instead, people first sample different behaviors and then commit decisively once a clear internal threshold is reached. That threshold follows the Tolerance Principle, a compact mathematical rule originally formulated to explain … Read more

Summary: For decades, Alzheimer’s research has largely targeted toxic proteins such as amyloid-beta and tau. A new study from UC Irvine identifies a different contributing factor: early dopamine dysfunction in the entorhinal cortex, a critical brain region for forming new memories. Researchers report that dopamine levels in this memory gateway drop to under 20% of … Read more

Summary: Researchers at the University of California, San Francisco (UCSF) report that a freeze-dried, platelet-derived product called Thrombosomes shows strong potential to treat traumatic brain injury (TBI). Built originally to control battlefield hemorrhage, this shelf-stable biologic appears to stabilize injured cerebral blood vessels, reduce bleeding at the injury site and lessen the delayed, dangerous brain … Read more

Summary: Researchers have narrowed the divide between living tissue and silicon by building a three-dimensional programmable device that integrates living brain cells with advanced electronics. Unlike earlier “brain-on-a-chip” approaches that grew cells on flat surfaces, this device uses a flexible, microscopic metal mesh as a scaffold so that tens of thousands of neurons can grow … Read more

Summary: Decades of Alzheimer’s research have centered on toxic proteins such as amyloid-beta and tau. A new study from UC Irvine highlights a different and influential factor: early dopamine dysfunction in the entorhinal cortex, a brain region essential for forming associative memories. The research shows that dopamine levels in this critical “memory gateway” fall to … Read more

Summary: Researchers have produced the first cellular-resolution molecular map of how Down syndrome affects human brain development during the critical prenatal period. By profiling more than 100,000 nuclei, the team resolved discrepancies from prior model-based studies and identified a clear developmental mechanism that helps explain characteristic differences in brain size and cognition. The study shows … Read more