Why fMRI Often Misreads Brain Activity
Summary: New research shows that fMRI signals do not always reflect true neural activity, overturning a key assumption used in tens of…
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How Two Dopamine Neuron Subtypes Encode Odors Differently
Summary: Two closely related types of dopamine-releasing neurons in the olfactory bulb behave very differently because of their physical shape. One subtype…
Why Consciousness Evolved: Origins and Evolution Explained
Summary: New research examines why consciousness evolved and what studying birds reveals about its biological purpose. The work identifies three distinct forms…
How Cancer Disrupts the Brain’s Circadian Rhythm
Summary: Breast cancer can quickly disturb the brain’s regulation of day-night stress hormones, even before tumors are detectable. In mice, the disease…
Gut Microbes That Mimic Human Proteins May Trigger MS
Summary: New research from the University of Basel shows that gut bacteria whose surface molecules closely resemble the myelin sheath that insulates…
Balanced Brain Inhibition Is Key to Recognition Memory
Summary: A new study from the University of Nottingham shows that balanced inhibitory signaling in the hippocampus is essential for recognition memory…
How Blood Sugar Fluctuations Affect Sleep Quality
Summary: Blood sugar patterns and diet are closely linked to sleep quality in adults. People with diabetes report more sleep disturbances, diagnosed…
AI Brain Model Reveals How Fear Works in the Human Brain
Summary: Researchers at the University of Hong Kong have created an AI-driven brain model that tracks fear as it unfolds in realistic,…
Blood Transfusions Linked to Faster Alzheimer’s Progression
Summary: New experimental evidence indicates that circulating blood factors influence Alzheimer’s disease progression. In a long-term study, mice predisposed to develop Alzheimer’s-like…
Enhancing Sleep Ripples Preserves Forgotten Memories
Summary: Researchers have shown that precisely timed manipulation of brain activity during sleep can preserve memories that would otherwise fade, pointing to…
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