Neuroscience

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Alzheimer’s Disease Causes Cells to Overheat and ‘Fry Like Eggs’ – Neuroscience News

Summary: The heat produced by amyloid-beta aggregation may cause other, healthy amyloid-beta to aggregate, causing more and more aggregates to form. However, with the addition of a novel drug compound, amyloid-beta aggregation can be stopped and the cell temperature lowered. Source: University of Cambridge Researchers have shown that aggregation of amyloid-beta, one of two key …

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How Wisdom, Resilience and Mastery Work Together to Boost Well-Being in Old Age – Neuroscience News

Summary: Wisdom helps strengthen resilience and mastery to reduce stress and increase well-being, improving a person’s ability to better handle later-life adversity and age-related loss. Source: University of Florida It’s not just wisdom that gives some people a sense of well-being as they age. A new study shows that while wise people tend to be …

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The Perils of Perfectionism – Neuroscience News

Summary: While there’s nothing wrong with having high personal standards, perfectionists often feel as though their achievements and successes are never good enough. Perfectionism increases the risk of depression, anxiety, eating disorders, and several other mental health disorders. Source: Particle WA researchers aim to help teen girls feel better in their bodies with an online …

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Researchers Make a Novel Discovery in Age-Related Macular Degeneration – Neuroscience News

Summary: Treatment with Humanin G reduced protein levels of inflammation markers that become elevated in age-related macular degeneration. Source: Impact Journals Inflammatory processes drive the progression of age-related macular degeneration (AMD) disease—a leading cause of vision loss in the United States. In this new Aging study, researchers from the University of California Irvine and University of Southern California compared …

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Study Sheds New Light on a Promising Antidepressant – Neuroscience News

Summary: Ketamine’s antidepressant effect is a result of the enhancement of Kcnq2 potassium channels in a certain subtype of glutamate-sensitive neurons. Source: Weizmann Institute of Science Ketamine, a well-known anesthetic used in smaller doses as a party drug, was hailed as a “new hope for depression” in a Time magazine cover story in 2017. Two …

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Nerve Stimulation Promotes Resolution of Inflammation – Neuroscience News

Summary: Electrical stimulation of the vagus nerve promotes healing in those with acute inflammation by shifting the balance between inflammatory and anti-inflammatory molecules. Source: Karolinska Institute The nervous system is known to communicate with the immune system and regulate inflammation in the body. Researchers at Karolinska Institutet in Sweden now show how electrical activation of …

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Signal Detection Theory May Be Useful for Characterizing Cognitive Fatigue in Multiple Sclerosis – Neuroscience News

Summary: Study reveals an association between signal detection theory, brain activation patterns, and subjective state fatigue. In those with multiple sclerosis, greater effects of fatigue were seen. Source: Kessler Foundation Using signal detection theory, Kessler Foundation researchers furthered their understanding of the mechanisms of cognitive fatigue in a recent neuroimaging study comparing participants with multiple …

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This Illusion, New to Science, Is Strong Enough to Trick Our Reflexes – Neuroscience News

Summary: The highly dynamic, new “expanding hole” optical illusion can be perceived by 86% of people. The illusion is so good at deceiving the brain, it causes pupillary dilation as though we are walking into a darkened room. Source: Frontiers Have a look at this image. Do you perceive that the central black hole is …

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How Cranberries Could Improve Memory and Ward off Dementia – Neuroscience News

Summary: Older adults who consumed cranberries frequently as part of their diet saw improvements in episodic memory, neural function, and brain perfusion. Cranberry consumption was also linked to a significant decrease in LDL cholesterol. Findings reveal adding cranberries to the diet helps to improve memory and could protect against dementia. Source: University of East Anglia …

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Link Between Exercise Intensity and Risk of Infection – Neuroscience News

Summary: Researchers identify the exertion level where aerosol particle emission increases exponentially, offering an explanation as to why exercise intensity may be linked to the transmission of infections. Source: TUM Before the study, it was known that the respiratory volume for untrained people increases from around 5–15 liters per minute at rest to over 100 …

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