In the quest to understand how the brain turns sensory input into behavior, Harvard scientists have crossed a major threshold. Using precisely-targeted lasers, researchers have been able to take over an animal's brain, instruct ...
Sep 24, 2012
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(Medical Xpress) -- The brain has billions of neurons, arranged in complex circuits that allow us to perceive the world, control our movements and make decisions. Deciphering those circuits is critical to understanding how ...
Aug 8, 2012
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The brain has a remarkable ability to learn new cognitive tasks while maintaining previously acquired knowledge about various functions necessary for everyday life. But exactly how new information is incorporated into brain ...
Mar 5, 2012
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The brain is typically depicted as a complex web of neurons sending and receiving messages. But neurons only make up half of the human brain. The other half—roughly 85 billion cells—are non-neuronal cells called glia.
Feb 28, 2024
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Only a fraction of people who sustain a spinal cord injury fully regain their motor function. While rehabilitation can help, scientists have long looked for ways to regenerate injured nerve fibers—including, at Boston Children's ...
Jan 25, 2024
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The brain is not only the most complex organ of the human body, but also one of the most difficult to study. To understand the roles of different regions of the human brain and how they interact, it is crucial to measure ...
Jan 8, 2024
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An established transcription factor known for bone formation also supports specialized cells in the central nervous system to promote brain tissue stiffness, findings that could inform new therapeutics for neuronal regeneration, ...
Dec 12, 2023
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Nearly 40% of people experience syncope, or fainting spells, at least once in their lives. These brief losses of consciousness, whether brought by pain, fear, heat, hyperventilation or other causes, account for a significant ...
Nov 1, 2023
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Researchers at Kyushu University have discovered that turning brain immune cells into neurons successfully restores brain function after stroke-like injury in mice. These findings, published in PNAS, suggest that replenishing ...
Oct 18, 2023
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A quarter-century ago, researchers discovered that adults, not just developing infants, can generate new brain cells, a process called neurogenesis. But it's still not clear what role these new neurons play in health or disease.
Aug 23, 2023
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