The agency says doctors should consider limiting MRIs to reduce exposure from certain image-enhancing drugs that contain the metal gadolinium

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In a pair of studies published on Thursday in the journal Scientific Reports, the researchers report that rats and monkeys can coordinate their brains to carry out such tasks as moving a simulated arm or recognizing simple patterns. In many of the trials, the networked animals performed better than individuals

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Descartes thought that the brain was a kind of hydraulic pump, propelling the spirits of the nervous system through the body. Freud compared the brain to a steam engine. Karl Pribram likened it to a holographic storage device. Many neuroscientists today would add to this list of failed comparisons the idea that the brain is a computer — just another analogy without a lot of substance

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A surprising new paper argues that consciousness is just a bit player in the human brain

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Researchers raise alarms about unknown health risks of GE’s Omniscan and Bayer’s Magnevist, drugs injected to get better MRI pictures that contain the heavy metal gadolinium

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A man in his mid-50s with Parkinson’s disease had fetal brain cells injected into his brain last week. He is the first person in nearly 20 years to be treated this way – and could recover full control of his movements in roughly five years

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Scans show that brain regions crucial for the development of language, memory and reasoning skills tend to be smaller in those from poorer backgrounds

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Reporting progress to a hopeful public: News articles underscore the ethical burden of balance shared by researchers, funders and the media

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