Neuroscience

Negative feedback stabilizes memories

(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 ...

Neuroscience

New study uncovers origin of 'conscious awareness'

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 ...

Diseases, Conditions, Syndromes

Could our immune system be why COVID-19 is so deadly?

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 ...

Neuroscience

Scientists uncover a new layer in visual brain imaging

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.

Neuroscience

Sense of touch reproduced through prosthetic hand

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 ...

Medical research

Putting the brakes on inflammation

A team led by a University of Arizona researcher has discovered a previously unknown mechanism that prevents the immune system from going into overdrive, shedding light not only on how our body controls its response to pathogens ...

Surgery

Virtual reality simulator helps teach surgery for brain cancer

A new virtual reality simulator—including sophisticated 3-D graphics and tactile feedback—provides neurosurgery trainees with valuable opportunities to practice essential skills and techniques for brain cancer surgery, ...

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