Publikationen von Hellmuth Obrig

Obrig, H.; Steinbrink, J.; Villringer, A.: The blushing brain: Changes in brain colour indicate the functional state of the cerebral cortex. Medical Laser Application 18, S. 206 - 216 (2003)

Obrig, H.; Villringer, A.: Beyond the visible - imaging the human brain with light. Journal of Cerebral Blood Flow Metabolism 23, S. 1 - 18 (2003)

Syre, F.; Obrig, H.; Steinbrink, J.; Kohl, M.; Wenzel, R.; Villringer, A.: Are VEP correlated fast optical signals detectable in the human adult by non-invasive nearinfrared spectroscopy (NIRS)? Advances in Experimental Medicine and Biology 530, S. 421 - 431 (2003)

Kohl-Bareis, M.; Obrig, H.; Steinbrink, J.; Malak, J.; Uludag, K.; Villringer, A.: Noninvasive monitoring of cerebral blood flow by a dye bolus method: Separation of brain from skin and skull signals. Journal of Biomedical Optics 7, S. 464 - 470 (2002)

Obrig, H.; Israel, H.; Kohl-Bareis, M.; Uludag, K.; Wenzel, R.; Mueller, B.; Arnold, G.; Villringer, A.: Habituation of the visually evoked potential (VEP) and its vascular response: Implications for neurovascular coupling in the healthy adult. NeuroImage 17, S. 1 - 18 (2002)

Uludag, K.; Kohl, M.; Steinbrink, J.; Obrig, H.; Villringer, A.: Cross talk in the Lambert-Beer calculation for near-infrared wavelengths estimated by Monte Carlo simulations. Journal of Biomedical Optics 7, S. 51 - 59 (2002)

Steinbrink, J.; Wabnitz, H.; Obrig, H.; Villringer, A.; Rinneberg, H.: Determining changes in NIR absorption using a layered model of the human head. Physics in Medicine and Biology 46, S. 879 - 896 (2001)

Wobst, P.; Wenzel, R.; Kohl, M.; Obrig, H.; Villringer, A.: Linear Aspects of Changes in Deoxygenated Hemoglobin Concentration and Cytochrome Oxidase Oxidation during Brain Activation. NeuroImage 13, S. 520 - 530 (2001)

Benaron, D. A.; Hintz, S. R.; Villringer, A.; Boas, D.; Kleinschmidt, A.; Frahm, J.; Hirth, C.; Obrig, H.; van Houten, J. C.; Kermit, E. L. et al.; Cheong, W. F.; Stevenson, D. K.: Noninvasive functional imaging of human brain using light. Journal of Cerebral Blood Flow & Metabolism 20, S. 469 - 477 (2000)

Obrig, H.; Neufang, M.; Wenzel, R.; Kohl, M.; Steinbrink, J.; Villringer, A.: Spontaneous low frequency oscillations of cerebral hemodynamics and metabolism in human adults. NeuroImage 12 (6), S. 623 - 639 (2000)

Obrig, H.; Wenzel, R.; Kohl, M.; Horst, S.; Wobst, P.; Steinbrink, J.; Thomas, F.; Villringer, A.: Near-infrared spectroscopy: does it function in functional activation studies of the adult brain? International Journal of Psychophysiology 35 (2-3), S. 125 - 142 (2000)

Steinbrink, J.; Kohl, M.; Obrig, H.; Curio, G.; Syre, F.; Curio, G.; Syre, F.; Thomas, F.; Wabnitz, H.; Rinneberg, H. et al.; Villringer, A.: Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head. Neuroscience Letters 291, S. 105 - 108 (2000)

Wenzel, R.; Wobst, P.; Heekeren, H.; Kwong, K. K.; Brandt, S. A.; Kohl, M.; Obrig, H.; Dirnagl, U.; Villringer, A.: Saccadic suppression induces focal hypooxygenation in the occipital cortex. Journal of Cerebral Blood Flow & Metabolism 20, S. 1103 - 1110 (2000)

Heekeren, H. R.; Kohl, M.; Obrig, H.; Wenzel, R.; Pannwitz, W. V.; Matcher, S. J.; Dirnagl, U.; Cooper, C. E.; Villringer, A.: Noninvasive Assessment of Changes in Cytochrome-C-Oxidase Oxidation in Human Subjects during Visual Stimulation. Journal of Cerebral Blood Flow & Metabolism 19, S. 592 - 603 (1999)

Kohl, M.; Nolte, C.; Heekeren, H. R.; Horst, S.; Scholz, U.; Obrig, H.; Villringer, A.: Determination of the wavelength dependence of the differential pathlength factor from near infrared pulse signals. Physics in Medicine and Biology 42, S. 1171 - 1182 (1998)

Heekeren, H.; Obrig, H.; Wenzel, R.; Eberle, K.; Ruben, J.; Villringer, K.; Kurth, R.; Villringer, A.: Cerebral haemoglobin oxygenation during sustained visual stimulation: A near–infrared spectroscopy study. Proceedings of the Royal Society of London Series B-Biological Sciences 352 (1354), S. 743 - 750 (1997)

Arnold, G.; Kinze, S.; von Pannewitz, H.; Obrig, H.; Villringer, A.: Kann man den Blutfluss während der Migräne-Attacke messen? Med-Report 26, S. 6 (1997)

Heekeren, H. R.; Wenzel, R.; Obrig, H.; Ruben, J.; Ndayisaba, J. P.; Luo, Q.; Dale, A.; Nioka, S.; Kohl, M.; Dirnagl, U. et al.; Villringer, A.; Chance, B.: Towards noninvasive optical human brain mapping - improvements of the spectral, temporal and spatial resolution of near-infrared spectroscopy. Proceedings SPIE 2979, S. 847 - 857 (1997)

Hirth, C.; Obrig, H.; Valdueza, J.; Dirnagl, U.; Villringer, A.: 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, S. 461 - 469 (1997)

Hirth, C.; Obrig, H.; Villringer, K.; Bernarding, J.; Thiel, A.; Dirnagl, U.; Villringer, A.; Mühlnickl, W.: Towards brain mapping combining near-infrared spectroscopy and high resolution 3D MRI. Advances in Experimental Medicine and Biology 413, S. 139 - 147 (1997)