Publications of Hellmuth Obrig
All genres
Journal Article (120)
1999
Journal Article
Obrig, H., , , , … Villringer, A. (1999). Noninvasive Assessment of Changes in Cytochrome-C-Oxidase Oxidation in Human Subjects during Visual Stimulation. Journal of Cerebral Blood Flow & Metabolism, 19, 592–603.
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Journal Article
Obrig, H., & Villringer, A. (1998). Determination of the wavelength dependence of the differential pathlength factor from near infrared pulse signals. Physics in Medicine and Biology, 42, 1171–1182.
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Obrig, H., , , , , … Villringer, A. (1997). Cerebral haemoglobin oxygenation during sustained visual stimulation: A near–infrared spectroscopy study. Proceedings of the Royal Society of London Series B-Biological Sciences, 352, 743–750.
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Obrig, H., & Villringer, A. (1997). Kann man den Blutfluss während der Migräne-Attacke messen? Med-Report, 26, 6.
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Obrig, H., , , , … (1997). Towards noninvasive optical human brain mapping - improvements of the spectral, temporal and spatial resolution of near-infrared spectroscopy. Proceedings SPIE, 2979, 847–857.
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Obrig, H., , , & Villringer, A. (1997). Simultaneous assessment of cerebral oxygenation and hemodynamics during a motor task. A combined near infrared and transcranial doppler sonography study. Advances in Experimental Medicine and Biology, 411, 461–469.
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Obrig, H., , , , , … (1997). Towards brain mapping combining near-infrared spectroscopy and high resolution 3D MRI. Advances in Experimental Medicine and Biology, 413, 139–147.
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Obrig, H., , , , , , … Villringer, A. (1997). Length of resting period between stimulation cycles modulates hemodynamic response to a motor stimulus. Advances in Experimental Medicine and Biology, 411, 471–480.
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Obrig, H., & Villringer, A. (1997). Near-infrared spectroscopy in functional activation studies: Can NIRS demonstrate cortical activation? Advances in Experimental Medicine and Biology, 413, 113–127.
Journal Article
Obrig, H., , , , … Villringer, A. (1997). Haemoglobin oxygenation changes during visual stimulation in the occipital cortex. Advances in Experimental Medicine and Biology, 428, 181–187.
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Obrig, H., , , … Villringer, A. (1997). Assessment of local brain activation: A simultaneous PET and near-infrared spectroscopy study. Advances in Experimental Medicine and Biology, 413, 149–153.
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Journal Article
Obrig, H., , , , & Villringer, A. (1996). Cerebral blood oxygenation changes induced by visual stimulation in humans. Journal of Biomedical Optics, 1, 399–404.
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Obrig, H., , , , & Villringer, A. (1996). Functional magnetic resonance imaging shows localized brain activation during serial transcranial stimulation in man. NeuroReport, 7, 734–736.
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Obrig, H., , , , , … Villringer, A. (1996). Non-invasive functional mapping of the human motor cortex using near-infrared spectroscopy. NeuroReport, 7, 1977–1981.
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Obrig, H., , , , Villringer, A., & (1996). Simultaneous recording of cerebral blood oxygenation changes during human brain activation by magnetic resonance imaging and near-infrared spectroscopy. Journal of Cerebral Blood Flow & Metabolism, 16, 817–826.
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Obrig, H., , , , , , & Villringer, A. (1996). Continuous spectrum near-infrared spectroscopy approach in functional activation studies in the human adult. Proceedings SPIE, 2926, 58–66.
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Obrig, H., , , , , , & Villringer, A. (1996). Cerebral oxygenation changes in response to motor stimulation. Journal of Applied Physiology, 81, 1174–1183.
Journal Article
Obrig, H., , , , , & Villringer, A. (1996). Cerebral oxygenation changes during motor and somatosensory stimulation in humans as measured by near-infrared spectroscopy. Advances in Experimental Medicine and Biology, 388, 219–224.
Journal Article
Obrig, H., , , Villringer, A., & (1996). Systemic nitric oxide synthase inhibition does not affect brain oxygenation during cortical spreading depression (CSD) in rats: A noninvasive near infrared spectroscopy (NIRS) and Laser-Doppler flowmetry (LDF) study. Journal of Cerebral Blood Flow & Metabolism, 16, 1100–1107.
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Obrig, H., Villringer, A., & (1996). Extra- and intracellular oxygen supply during cortical spreading depression in the rat. Advances in Experimental Medicine and Biology, 388, 299–304.
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