Neuroscience
Eyes send an unexpected signal to the brain
The eyes have a surprise.
Apr 30, 2020
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Page 3 - News tagged with light signals
Neuroscience
Novel technique helps explain why bright light keeps us awake
In recent decades, scientists have learned a great deal about how different neurons connect and send signals to each other. But it's been difficult to trace the activity of individual nerve fibers known as axons, some of ...
Oct 15, 2019
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Ophthalmology
Prosthetics for retinal stimulation
In a study recently published in Advanced Biomedical Engineering, researchers at Okayama University report a thin photoelectric film which can stimulate degenerated retinal tissues of the eye.
Jul 29, 2019
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Neuroscience
Eye-gaze devices as assistive tech have the potential to empower people with disabilities
Wits biomedical engineer Adam Pantanowitz discovered he had a neuromuscular condition as a teenager. Since then, the Lecturer in the School of Electrical and Information Engineering has researched the potential of technology ...
Jul 25, 2019
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Neuroscience
How live recordings of neural electricity could revolutionize how we see the brain
Red and blue lights flash. A machine whirs like a distant swarm of bees. In a cubicle-sized room, Yoav Adam, a microscope, and a video projector capture something no one has ever seen before: neurons flashing in real time, ...
May 1, 2019
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Neuroscience
Researchers map early visual processing between the retina and the brain
How are the images cast on the retina reassembled in the brain? Researchers in Munich and Tuebingen find that processing of visual stimuli occurs at the earliest waystation on the way to the visual cortex—but not all inputs ...
Feb 22, 2019
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Medical research
Light based cochlear implant restores hearing in gerbils
A team of researchers with members from a variety of institutions across Germany has developed a new type of cochlear implant—one based on light. In their paper published in the journal Science Translational Medicine, the ...
Cardiology
How reliable is your wearable heart-rate monitor?
Fitbit, Garmin and other consumer heart-rate monitors are increasingly being used in clinical trials. The problem is, they're not always very accurate.
Jun 20, 2018
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Medical research
Scientists use algorithm to peer through opaque brains
Trying to pinpoint signals from individual neurons within a block of brain tissue is like trying to count headlights in thick fog. A new algorithm, developed by researchers based at The Rockefeller University, brings this ...
Jun 26, 2017
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Medical research
Artificial retinas—promising leads towards clearer vision
A major therapeutic challenge, the retinal prostheses that have been under development during the past ten years can enable some blind subjects to perceive light signals, but the image thus restored is still far from being ...
Aug 25, 2016
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