Resoures

How the Brain Recovers From Years of Intuitive Dread and Adapts to New Threats
Summary: Researchers have identified brain mechanisms that help animals suppress instinctive fear responses when threats prove harmless over time.Using a visual threat model in mice, they found that specific areas of the visual cortex are necessary for learning to override fear, but not for storing the memory. Instead, the ventrolateral

When We Try to Listen, Our Ancient Ear Muscles Reactivate.
Summary: Humans have vestigial ear muscles that once helped our ancestors focus on sounds. New research shows these muscles still activate when we strain to hear in noisy environments. Scientists used electromyography to measure auricular muscle activity in people listening to an audiobook with distracting background noise.The superior auricular muscle

Imaging Shows Gut-Brain Connection in Alzheimer’s Disorder
Summary: Scientists have used advanced X-ray phase-contrast tomography (XPCT) to uncover how gut health may influence Alzheimer’s disease. The study found structural changes in the gut of Alzheimer’s-affected mice, revealing abnormalities in intestinal cells, neurons, and mucus secretion.This supports the hypothesis that harmful gut bacteria may escape into circulation, triggering

Genetics, No Maternal Sickness, Drives Autism Chance
Summary: A large study analyzing over 1.1 million pregnancies found no strong evidence that maternal health conditions during pregnancy cause autism. Instead, nearly all previously reported associations between maternal diagnoses and autism could be explained by genetic or environmental factors.Researchers found that only fetal complications remained statistically linked to autism,

Young Adults ‘ Faster Biological Aging is Associated with an Toxic Diet.
Summary: Diets high in processed meat, fast food, and sugary drinks accelerate biological aging, even in young adults. Researchers measured biological age using epigenetic clocks, which track gene regulation changes over time. Participants with a diet rich in fruits and vegetables showed slower aging, suggesting dietary choices influence how quickly

How the mind changes to novel visual settings
Summary: New research reveals how the brain rapidly adapts to sensory changes using a feedback loop between the olfactory cortex and the olfactory bulb. Scientists trained mice to associate rewards with specific sounds and smells, then switched the rules to test their adaptability. Expert mice quickly adjusted their responses, suggesting