Key Highlights
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A 12-month trial found that progressive resistance training (PRT) improved cognitive function in older adults with a specific type of early memory loss linked to small blood vessel disease in the brain. This suggests that strength training could be a simple, non-drug strategy to help slow cognitive decline in this vulnerable population.
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The study also showed that the cognitive benefits of resistance training were significant for female participants but not for males, highlighting that the effects of exercise on the brain may differ between sexes. This finding is crucial for developing personalized exercise recommendations for brain health.
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A new study is investigating how the size of our pupils changes while monkeys perform memory tasks, aiming to uncover the basic brain mechanisms behind recognition. Understanding these pupil dynamics could provide a simple, non-invasive window into how memory works in the brain.
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New research is exploring the genetic factors that contribute to multiple sclerosis (MS) risk in people from diverse ancestral backgrounds, moving beyond studies focused primarily on European populations. This work is essential for ensuring that genetic insights and potential treatments benefit all people affected by MS, regardless of their ethnicity.
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A historical perspective revisits the observation that some patients with severe language loss (aphasia) can still use polite phrases like “yes” and “no” correctly or utter curses, which are forms of “non-propositional” speech. This distinction, made over a century ago, remains fundamental to understanding how different brain networks control automatic versus complex, intentional speech.
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