Summary: New research reshapes our understanding of how bilingual brains handle grammar. The study shows that multilingual speakers do not store separate grammatical rulebooks for each language. Instead, they use a single, shared neural mechanism that computes grammar across languages. Using high‑temporal‑resolution magnetoencephalography (MEG), researchers at New York University recorded millisecond‑by‑millisecond brain activity while Spanish‑English … Read more

Summary: Researchers have created a closed-loop, adaptive deep brain stimulation (aDBS) system that senses and responds to walking signals in real time. Unlike traditional continuous DBS, which delivers a constant stream of stimulation and often does not prevent gait problems such as freezing or falls, this new device adjusts stimulation within fractions of a second … Read more

Summary: Researchers have identified a surprising biological convergence: obesity-related memory loss and natural age-related cognitive decline share the same disruptive pathway in the brain. Using advanced rodent models and CRISPR-based gene editing, Timothy Jarome’s team at Virginia Tech isolated a specific molecular mechanism known as K63 polyubiquitination. In young, healthy brains K63 levels drop during … Read more

Summary: A remarkable single-patient case report describing an octogenarian with long-standing, advanced Alzheimer’s disease has led neuroscientists to re-examine the limits of preserved cognition in the ageing brain. The patient, a Japanese-American woman in her 80s, had suffered progressive dementia for a decade and for years primarily spoke single words. After a supervised dose of … Read more

Summary: Researchers mapped the precise environmental and biological dynamics that govern strain-level transmission of the human microbiome and demonstrated that household cohabitation is the main route for bacterial strain exchange. The team analyzed paired oral and gut metagenomes from 430 people across 207 households in Italy and Fiji, revealing how living together reshapes microbial communities … Read more

Summary: Researchers have identified a significant safety concern linking commonly prescribed glucagon-like peptide-1 (GLP-1) receptor agonists—such as semaglutide, tirzepatide and liraglutide—to an increased incidence of clinically meaningful hypotensive episodes, including severe dizziness, fainting and fall-related injuries. Using electronic health records from more than 42,000 adults who were already taking at least two classes of antihypertensive … Read more

Summary: A new interdisciplinary report outlines an urgent framework for recognizing and managing Alzheimer’s-related psychosis (ARP), a damaging but often underrecognized complication of Alzheimer’s disease. The panel details how delusions and visual hallucinations worsen cognitive decline, increase hospitalizations and caregiver strain, and lead to earlier institutionalization. With no medications currently approved specifically for ARP, the … Read more

Summary: Researchers identified a clear structural relationship between an adult’s baseline brain network organization and their capacity to learn a new language. Using resting-state functional neuroimaging on 101 adults before any training, the team mapped individual differences across large-scale neural systems and then tracked how those differences predicted performance during an intensive one-week training on … Read more

Summary: Researchers have uncovered a metabolic mechanism that helps explain why advanced maternal age (AMA) impairs female fertility and lowers assisted reproductive technology (ART) success. Using non-targeted lipidomics and proteomics alongside multi-omic sequencing (RNA-seq, Cut&Tag, and ATAC-seq), the team found that embryos from older females show a marked decline in autophagy. This decline prevents the … Read more

Summary: New research reshapes our understanding of the bilingual brain, showing that multilingual speakers do not store separate grammatical rulebooks for each language. Instead, a single shared neural mechanism—observable with high-resolution brain imaging—supports grammatical computation across languages. Using magnetoencephalography (MEG) to record brain activity on a millisecond timescale, researchers at New York University tracked Spanish–English … Read more