Development of a low-cost point of care device for near-infrared spectroscopy (NIRS) based online imaging during non-invasive electrical brain stimulation

Utkarsh Jindal 1 Anirban Dutta 2
2 DEMAR - Artificial movement and gait restoration
LIRMM - Laboratoire d'Informatique de Robotique et de Microélectronique de Montpellier, CRISAM - Inria Sophia Antipolis - Méditerranée
Abstract : All of us are exposed to optical (i.e., visible and near-infrared) radiation from the sun and other sources throughout our lives. Assuming our eyes are shielded from excessive intensity, and our skin is protected from the ultraviolet content of sunlight, we accept this exposure in the knowledge that it is perfectly safe. Unlike x-rays, optical photons are insufficiently energetic to produce ionisation, and unless light is concentrated to such a high degree that it causes burning to the skin, optical radiation offers no significant hazard. The diagnostic potential of optical methods has been widely known since Jöbsis [1] first demonstrated that transmittance measurements of near-infrared (NIR) radiation could be used to monitor the degree of oxygenation of certain metabolites. This led to the development and increasingly widespread use of clinical near-infrared spectroscopy (NIRS), which offers a safe, non-invasive means of monitoring cerebral function at the bedside without the use of radioisotopes or other contrast agents [2].
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[Research Report] Inria Sophia Antipolis. 2015
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Utkarsh Jindal, Anirban Dutta. Development of a low-cost point of care device for near-infrared spectroscopy (NIRS) based online imaging during non-invasive electrical brain stimulation. [Research Report] Inria Sophia Antipolis. 2015. 〈hal-01203366〉

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