Publications of Hellmuth Obrig

Cannestra, A. F., Wartenburger, I., Obrig, H., Villringer, A., & Toga, A. W. (2003). Functional assessment of Brocas area using near infrared spectroscopy in humans. NeuroReport, 14, 1961–1965.

Moosmann, M., Ritter, P., Krastel, I., Thees, S., Blankenburg, F., Taskin, B., … Villringer, A. (2003). Correlates of alpha rhythm in functional magnetic resonance imaging and near infrared spectroscopy. NeuroImage, 20, 145–158.

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

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

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

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

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

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

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

Wobst, P., Wenzel, R., Kohl, M., Obrig, H., & Villringer, A. (2001). Linear aspects of changes in deoxygenated hemoglobin concentration and cytochrome oxidase oxidation during brain activation. NeuroImage, 13, 520–530.

Benaron, D. A., Hintz, S. R., Villringer, A., Boas, D., Kleinschmidt, A., Frahm, J., … Stevenson, D. K. (2000). Noninvasive functional imaging of human brain using light. Journal of Cerebral Blood Flow & Metabolism, 20, 469–477.

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

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

Steinbrink, J., Kohl, M., Obrig, H., Curio, G., Syre, F., Curio, G., … Villringer, A. (2000). Somatosensory evoked fast optical intensity changes detected non-invasively in the adult human head. Neuroscience Letters, 291, 105–108.

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

Heekeren, H. R., Kohl, M., Obrig, H., Wenzel, R., Pannwitz, W. V., Matcher, S. J., … 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.

Kohl, M., Nolte, C., Heekeren, H. R., Horst, S., Scholz, U., 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.

Heekeren, H., Obrig, H., Wenzel, R., Eberle, K., Ruben, J., Villringer, K., … 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.

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

Heekeren, H. R., Wenzel, R., Obrig, H., Ruben, J., Ndayisaba, J. P., Luo, Q., … Chance, B. (1997). Towards noninvasive optical human brain mapping - improvements of the spectral, temporal and spatial resolution of near-infrared spectroscopy. Proceedings SPIE, 2979, 847–857.