Neuroscience

Alzheimer’s may not primarily be a brain disease: New theory suggests it’s an autoimmune disease – Neuroscience News

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Summary: Rather than simply being a brain disease, researchers propose that Alzheimer’s disease could be a disorder of the immune system within the brain. Source: the conversation The search for a cure for Alzheimer’s disease is becoming an increasingly competitive and controversial pursuit and recent years have witnessed several major controversies. In July 2022, science …

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Drinking a lot of tea may reduce the risk of developing type 2 diabetes – Neuroscience News

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Summary: Drinking four or more cups of black, green or oolong tea per day was associated with a 17% lower risk of developing type 2 diabetes. Source: Diabetology A systematic review and meta-analysis of 19 cohort studies involving more than 1 million adults from eight countries finds that moderate consumption of black, green or oolong …

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Adults show poorer cognition, better well-being with age – Neuroscience News

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Summary: Significantly worse symptoms of depression, anxiety and loneliness were observed in younger people, while older people showed greater mental well-being. However, when it came to cognition, task performance was worse in older adults. Source: UCSD Young and old could learn a thing or two from each other, at least when it comes to mental …

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Talk with your hands? You could think with them too! – Neuroscience news

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Summary: Constraining hand movements affects the processing of object meaning, a finding that supports the theory of embodied cognition. Source: Osaka Metropolitan University How do we understand words? Scientists don’t fully understand what happens when a word pops into your brain. A research group led by Professor Shogo Makioka of the Graduate School of Sustainable …

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How memory for personal interactions declines with age – Neuroscience News

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Summary: Researchers have identified a new mechanism within neurons that causes memories associated with social interactions to decline with age. Furthermore, they were able to reverse memory loss in mouse models. Source: University of Maryland One of the most annoying aspects of age-related memory decline is not being able to remember the face that goes …

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How changes in day length change the brain and subsequent behavior – Neuroscience News

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Summary: Neurons in the suprachiasmatic nucleus coordinate to adapt to different lengths of daylight, changing at the cellular and network level. Neurons changed in the mix and expression of dopamine, altering brain activity and, subsequently, daily routine behaviors. Source: UCSD Seasonal changes in light (longer days in summer, shorter days in winter) have long been …

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Peptide delivered by nasal spray can reduce seizure activity and protect neurons from Alzheimer’s and epilepsy – Neuroscience News

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Summary: A1R-CT, a novel peptide that binds to neurabin, can be administered via a nasal spray and has the potential to interrupt the uncontrollable brain activity associated with TBI, stroke, epilepsy and Alzheimer’s disease. Source: Medical School of Georgia at Augusta University A new peptide boosts the brain’s natural mechanism to help prevent seizures and …

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Testosterone promotes ‘hugging’, not just aggression – Neuroscience News

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Summary: Although most commonly associated with promoting aggressive behaviors, testosterone can also promote social affection and prosocial behaviors in men, according to a new gerbil study. Source: Emory University Testosterone may encourage friendly, prosocial behavior in men, according to a new animal study. Proceedings of the Royal Society B published research on Mongolian gerbils by …

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Sound Plus electrical body stimulation has potential to treat chronic pain – Neuroscience News

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Summary: Combining electrical stimulation with sounds that activate the somatosensory cortex could help relieve those suffering from chronic pain and other neurological conditions. Source: University of Minnesota A team led by the University of Minnesota Twin Cities has found that electrical stimulation of the body combined with sound activates the somatosensory or “tactile” cortex of …

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