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Jeanyung Chey, of the Seoul National University in Korea, started the research by asking herself, “Why do some people feel younger or older than their real age?” More intriguingly, could it be that how young or old they feel accurately reflects how their body ages? Potential answers to the first question “include depressive states, personality […]
Scientists have long known that an imbalance in brain chemistry can lead to depression. University of Victoria researchers have taken this knowledge a step further, examining what happens inside the brain’s cells in order to better understand how depression occurs. The results of that research raise the possibility of new treatments in the future for […]
Brain tumours are hard to treat. But even this is a harrowing understatement for some forms of the disease. Diffuse intrinsic pontine glioma (DIPG) is one such example. These rare brain tumours almost exclusively affect children, and they’re invariably fatal. “Almost all children with DIPG sadly die within a couple of years of diagnosis,” says […]
Poor eye sight in old age drives cognitive decline due to a lack of brain stimulation, study finds Reduced vision and mental sharpness can cause a loss of independence Sufferers may be less able to participate in activities, lowering their stimulation Cognitive decline and vision may both be caused by inflammation Impairment without dementia affects […]
We humans are the only primates that can flexibly control the pitch of our voices. This melodic control is not just important for our singing abilities: Fluctuating pitch also conveys critical information during speech—including the speaker’s mood, words of emphasis, or whether a sentence is a statement or a question. Some tonal languages, like Mandarin […]
Two discoveries—one in the brains of people with heroin addiction and the other in the brains of sleepy mice—shed light on chemical messengers in the brain that regulate sleep and addiction, UCLA researchers say. In 2000, UCLA researchers discovered that human narcolepsy is caused by a loss of roughly 90 percent of the 80,000 brain […]