Health News

Brain matter alterations in U.S. government personnel who developed neurological symptoms in Cuba

Brain imaging of 40 U.S. government personnel who experienced a host of neurological symptoms after possible exposure of an unknown source while serving in Cuba revealed significant differences in brain tissue and connectivity when compared to healthy individuals, according to a new report from researchers at the University of Pennsylvania’s Perelman School of Medicine. The […]

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How our brain generates consciousness — and loses it

Medically-induced loss of consciousness (mLOC) during anesthesia is associated with a break-down of brain connectivity at the anatomical macro scale — across cortical areas — yet what role brain micro circuitry plays in LOC remains unclear. How does our brain generate our consciousness? And why do we lose it during anesthesia? Influential theories suggest that […]

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How the brain integrates sensory input

Researchers from Bielefeld University, Oxford University (Great Britain), and Aix-Marseille University (France) investigated this phenomenon of flexibility in perception, and have now published a study on their findings that appears in the scientific journal Neuron (29 April 2019). In their publication, the researchers reveal where sensory stimuli are integrated in the brain, and in which […]

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Exercise activates memory neural networks in older adults: Study shows acute exercise has the ability to impact brain regions important to memory

How quickly do we experience the benefits of exercise? A new University of Maryland study of healthy older adults shows that just one session of exercise increased activation in the brain circuits associated with memory — including the hippocampus — which shrinks with age and is the brain region attacked first in Alzheimer’s disease. “While […]

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Light, physical activity reduces brain aging

Incremental physical activity, even at light intensity, is associated with larger brain volume and healthy brain aging. Considerable evidence suggests that engaging in regular physical activity may prevent cognitive decline and dementia. Active individuals have lower metabolic and vascular risk factors and these risk factors may explain their propensity for healthy brain aging. However, the […]