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Verbal response time reveals hidden sleepiness in older adults

A new study led by UCLA investigators shows that Verbal Reaction Time (VRT), the amount of time it takes a person to respond verbally, can be a marker of sleepiness in older adults. The study, which measured participants’ voice data through standardized cognitive assessments, shows how VRT can passively detect excessive sleepiness, especially among older individuals using sedative medications.
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Bats replay flight memories in fixed time packets, providing new clues into how memories are stored

Every day, our brain takes countless fleeting experiences—from walks on the beach to presentations at work—and transforms them into long-term memories. How exactly this works remains a mystery, but neuroscientists believe that it involves a phenomenon called neural replay, in which neurons rapidly recreate the same activation sequences that occurred during the original experience. Surprisingly, neural replays can happen both before and after an experience, suggesting they help in both memory storage and also future planning.
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Chromosomal abnormality scores unlock path to personalized immunotherapy

In a newly published article in Nature Genetics, researchers from the University of Chicago have identified tumor aneuploidy—an imbalance in the number of chromosomes—as a powerful biomarker associated with resistance to immunotherapy across cancer types. The study emphasizes how combining immunotherapy with radiation may help overcome the issue of therapy resistance, offering a new framework for predicting treatment response and personalizing cancer therapy.
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