The visual system is probably the best understood part of the brain. Over the past 75 years, neuroscientists have assembled a detailed account of how light waves entering your eyes allow you to recognize your grandmother's ...
Jan 3, 2019
0
353
Researchers have given rats the ability to "touch" infrared light, normally invisible to them, by fitting them with an infrared detector wired to microscopic electrodes implanted in the part of the mammalian brain that processes ...
Feb 12, 2013
0
0
Sleep is as essential to our health as food and water. It is important to a number of brain functions, including how nerve cells communicate with each other. We sleep for a third of our lives and there are many restorative ...
Mar 14, 2024
0
1
Traditional medical imaging works well for people with light skin, but has trouble getting clear pictures from patients with darker skin. A Johns Hopkins University–led team found a way to deliver clear pictures of anyone's ...
Oct 10, 2023
0
30
Researchers have created a photoacoustic imaging endoscope probe that can fit inside a medical needle with an inner diameter of just 0.6 millimeters. Photoacoustic imaging, which combines light and sound to create 3D images, ...
Jul 27, 2022
0
14
A new study—published in Investigative Ophthalmology and Visual Science from University of Alabama at Birmingham researchers—suggests that linking to a fifth dimension for molecules and affected cells could help define ...
Aug 30, 2021
0
144
Imaging techniques ordinarily used by eye doctors to monitor the optic nerve could offer a non-invasive method of measuring and managing potentially dangerous swelling in the skull, a new UK study led by researchers at the ...
Oct 23, 2020
0
1
Biomedical engineers at Duke University have developed a low-cost, portable optical coherence tomography (OCT) scanner that promises to bring the vision-saving technology to underserved regions throughout the United States ...
Jun 28, 2019
0
1
Rhythmic waves of brain activity cause people to see or not see complex images that flash before our eyes. An image can become practically invisible if it flashes before our eyes at the same time as a low point of those brain ...
May 21, 2019
0
81
If a tumour has spread through the lymph nodes, the decision is often taken to exercise caution and remove extra tissue, to prevent it from spreading further. This often involves the removal of healthy lymph nodes. Photoacoustic ...
Apr 18, 2013
0
0
