Key Highlights
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A new study identifies a specific type of brain lesion, called a slowly expanding lesion, that can predict worsening disability in multiple sclerosis patients even when they are not having a relapse. This finding could help doctors identify patients at higher risk for progression and guide earlier, more targeted treatment.
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Researchers found that a smaller hippocampus, a key memory center in the brain, is linked to a higher risk of becoming frail in older adults over the next 2 to 7 years. This suggests that brain changes visible on an MRI scan could serve as an early warning sign for physical frailty, allowing for preventative health measures.
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Mice with a genetic mutation that disrupts brain development, known as Reeler mice, show clear deficits in their ability to recognize new textures by touch. This research helps scientists understand how specific brain circuits are involved in sensory perception and memory, which is relevant for neurological conditions affecting these functions.
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