Where older versions of the expertise had been restricted to imaging small parts of the mind, this new Diffuse Optical Tomography (DOT) approach can view two thirds of the brain’s surface directly. Meaning it could resolve photos of multi-regional events like language processing or introspection, which can make it helpful to brain researchers and their excessive-degree investigations. Extra necessary to physicians is the truth that optical imaging uses only medically protected near-infrared light and a few very sensitive detectors. [doi:10.1038/nphoton.2014.107 – “Mapping distributed brain function and networks with diffuse optical tomography”]
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Breakthroughs in scanning technology are sometimes couched when it comes to their potential for real-world impacts; a better PET scanner or MRI machine is definitely good, however ultimately restricted by the dangers of radiation publicity or the costs of superconducting magnet rigs. So, medical doctors and researchers have longed for a method to collect some data cheaply and with out including any extra dangers to the patient. Optical scanners – as in, plain previous secure infrared gentle – have been making progress towards this aim for a while, however this week Nature revealed findings that suggest the technology might lastly be ready for the large time.