Nine years after an accident caused the loss of his left hand, Dennis Aabo Sørensen from Denmark became the first amputee in the world to feel – in real-time – with a sensory-enhanced prosthetic hand that was surgically ...
Feb 5, 2014
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It can be a relief to scratch the occasional itch, but when itch gets out of control, it can become a serious health problem. How does the body know when to stop?
Oct 13, 2023
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Living things act with purpose. But where does purpose come from? How do humans make sense of their relation to the world and realize their ability to effect change? These fundamental questions of "agency"—acting with purpose—have ...
Sep 18, 2023
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When surgeons are trained, they usually need the supervision of more experienced doctors who can mentor them on their technique. That may be changing due to a new artificial intelligence system developed by Caltech researchers ...
Apr 20, 2023
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Nearly three years into the pandemic, many of us now carry antibodies against the virus—due to an infection or two, a few doses of mRNA vaccine, or a round of monoclonal-antibody treatment. But not all immune responses ...
Dec 6, 2022
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Respiratory viruses such as SARS-CoV-2 (causing COVID-19) can often catalyze an overactive immune response that leads to a life-threatening cycle, known as a cytokine storm. Analyzing cytokine responses from patients infected ...
Mar 1, 2021
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Neuroscientists have gained new insight into how the brain perceives the world by using high resolution high field MRI to study activity in different layers of the visual cortex in great detail.
Oct 5, 2015
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(Medical Xpress)—Memories may be maintained in the brain through a mechanism familiar to any engineer—negative and positive feedback loops, according to researchers Sukbin Lim and Mark Goldman at the UC Davis Center for ...
Aug 28, 2013
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In a study recently published in IEEE Transactions on Neural Systems and Rehabilitation Engineering, neurobiologists at the University of Chicago show how an organism can sense a tactile stimulus, in real time, through an ...
May 10, 2013
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More than a century after it was first identified, Harvard scientists are shedding new light on a little-understood neural feedback mechanism that may play a key role in how the olfactory system works in the brain.
Dec 19, 2012
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