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Noninvasive modulation of brain hemodynamic and metabolic states by near-infrared light
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Noninvasive modulation of brain hemodynamic and metabolic states by near-infrared light

by SPIE Noninvasive transcranial photobiomodulation (tPBM) experimental setup. (a) Placement of two pairs of optical probes on the forehead connected to atwo-channel near-infrared spectroscopy (2-bbNIRS) unit to capture brain activity. (b) Test regimen followed for each participant. (c) Light source, two spectrometers, and probe bundles for 2-bbNIRS measurement. (d) Arrows indicating the right and left sites...

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Researchers control brain circuits from a distance using infrared light

Imagine the brain as a giant switchboard covered with thousands of buttons, knobs, dials and levers that control aspects of our thought, emotions, behaviour, and memory. (You can think of the movie Inside Out if you like). For more than a century, neuroscientists have been methodically flipping these switches on and off, alone or in combination, to try to...

Researchers control brain circuits from a distance using infrared light
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Researchers control brain circuits from a distance using infrared light

by Nicholas Weiler, Stanford University Illustration of experimental approach to stimulate TRPV1-expressing neurons using tissue-penetrating infrared light and amplifying MINDS molecules. Credit: Wu et al, Nature Biomedical Engineering (2022) DOI: 10.1038/s41551-022-00862-w Imagine the brain as a giant switchboard covered with thousands of buttons, knobs, dials and levers that control aspects of our thought, emotions, behavior, and memory. (You...

Innovative blood test based on infrared light
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Innovative blood test based on infrared light

by  Max Planck Society Blood panels are as individual as fingerprints. Researchers from the attoworld team at LMU and MPQ have now investigated how stable this so-called molecular fingerprint of the blood is over time. Credit: Max Planck Institute of Quantum Optics The molecular composition of the blood provides information regarding one’s state of health, and...