The human brain contains approximately 86 billion neurons, or nerve cells, woven together by an estimated 100 trillion connections, or synapses. Each cell has a
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Sleep is ubiquitous in animals and humans and vital for healthy functioning. Thus, sleep after training improves performance on various tasks in comparison to equal
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The news that rapper and record executive Dr. Dre is recovering from a brain aneurysm has many people wondering: What is a brain aneurysm? What
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For the first time, researchers have provided physiological evidence that a pervasive neuromodulation system—a group of neurons that regulate the functioning of more specialized neurons—strongly
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This colorful brain scan is a 3-D model created by tractography, which uses data collected with diffusion weighted MRI to map the brain’s white matter.
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Most autism spectrum disorders have a complex, multifactorial genetic component, making it difficult to find specific treatments. Rett syndrome is an exception. Babies born with
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A team of researchers at the Case Western Reserve University School of Medicine has taken a major step toward understanding the mechanisms involved in the
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A study directed by Isabel Fariñas and published in the journal Cell Stem Cell reveals that the inflammation produced by a bacterial infection alerts brain
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Strong emotions such as fear and anxiety tend to be accompanied and reinforced by measurable bodily changes including increased blood pressure, heart rate and respiration,
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When a frightful creature startles you, your brain may activate its fear-processing circuitry, sending your heart racing to help you escape the threat. It’s also
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