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Scientists have uncovered evidence that autism may include at least two biologically distinct subtypes, each marked by a different pattern of brain communication。 By combining brain scans from nearly 1,000 people with autism with insights from 20 genetically engineered mouse models, researchers identified a “hyperconnectivity” subtype, where brain
Researchers found that social behavior begins in the brain before it becomes visible as movement。 In zebrafish, a coordinated pattern of activity spread across the brain several seconds before the animals approached another fish。 A higher brain region called the pallium played a key role, and fish with stronger neural signals were generally more so
Losing weight may involve rewiring the gut and the brain at the same time。 In a study of obese adults, an intermittent fasting-style diet led to significant weight loss, healthier metabolic markers, and notable shifts in gut bacteria。 Brain scans also revealed changes in regions tied to appetite, cravings, and self-control
A newly identified group of amygdala neurons appears to play a central role in anxiety and social behavior。 Restoring normal activity in this tiny brain circuit reversed anxiety and social deficits in mice, revealing a promising new target for future treatments
New studies suggest consciousness can't be judged solely by behavior, whether it's a chatbot discussing philosophy or a bee searching for nectar。 Researchers are increasingly focusing on the internal mechanisms of brains and computers, concluding that today's AI is likely not conscious while leaving open the possibility for both conscious insects a
Cambridge researchers created miniature brain-and-spinal-cord systems in the lab that can send signals and even trigger tiny muscle contractions。 They discovered that human neurons gradually lose their ability to regrow after damage during development — but that ability can potentially be switched back on。 The team identified a gene network control
Scientists discovered that sleep deprivation damages a key brain circuit responsible for social memory, making it harder to recognize familiar individuals。 In laboratory studies, caffeine restored communication between neurons in this pathway and reversed the memory deficits caused by lost sleep。 The effect was remarkably targeted, helping the impa