Brandt, S. A.; Brocke, J.; Rohricht, S.; Ploner, C. J.; Villringer, A.; Meyer, B. U.: In vivo assessment of human visual system connectivity with transcranial electrical stimulation during functional magnetic resonance imaging. NeuroImage 14, pp. 366 - 375 (2001)

Lindauer, U.; Kohl, M.; Royl, G.; Kuehl, M.; Leithner, C.; Gethmann, J.; Gold, L.; Villringer, A.; Dirnagl, U.: No evidence for early decrease in blood oxygenation in rat whisker cortex in response to functional activation. NeuroImage 13, pp. 988 - 1001 (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, pp. 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, pp. 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), pp. 623 - 639 (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, pp. 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, pp. 592 - 603 (1999)

Dreier, J. P.; Koerner, L.; Ebert, N.; Goerner, A.; Rubin, I.; Back, T.; Lindauer, U.; Wolf, T.; Villringer, A.; Einhaeupl, K. M. et al.; Lauritzen, M.; Dirnagl, U.: Nitric oxide scavenging by hemoglobin or nitric oxide synthase inhibition by N-nitro-L-arginine induce cortical spreading ischemia when K+ is increased in the subarachnoid space. Journal of Cerebral Blood Flow and Metabolism 18, pp. 978 - 990 (1998)

Wolf, T.; Lindauer, U.; Reuter, U.; Back, T.; Villringer, A.; Einhaeupl, K.; Dirnagl, U.: Noninvasive near infrared spectroscopy monitoring of regional cerebral blood oxygenation changes during peri-infarct depolarizations in focal cerebral ischemia in the rat. Journal of Cerebral Blood Flow & Metabolism 17, pp. 950 - 954 (1997)

Lindauer, U.; Dreier, J.; Angstwurm, K.; Villringer, A.; Einhaeupl, K. M.; Dirnagl, U.: Role of nitric oxide synthase inhibition in leukocyte-endothelium interaction in the rat pial microvasculature. Journal of Cerebral Blood Flow & Metabolism 16 (6), pp. 1143 - 1152 (1996)

Dirnagl, U.; Lindauer, U.; Them, A.; Schreiber, S.; Pfister, H. W.; Koedel, U.; Reszka, R.; Freier, D.; Villringer, A.: Global cerebral ischemia in the rat: online monitoring of oxygen free radical production using chemiluminescence in vivo. Journal of Cerebral Blood Flow & Metabolism 15, pp. 929 - 940 (1995)

Dreier, J. P.; Koerner, K.; Goerner, A.; Lindauer, U.; Weih, M.; Villringer, A.; Dirnagl, U.: Nitric oxide modulates the CBF response to increased extracellular potassium. Journal of Cerebral Blood Flow & Metabolism 15, pp. 914 - 919 (1995)

Hock, C.; Mueller-Spahn, F.; Schuh-Hofer, S.; Hofmann, M.; Dirnagl, U.; Villringer, A.: Age dependency of changes in cerebral hemoglobin oxygenation during brain activation: A near infrared spectroscop study. Journal of Cerebral Blood Flow & Metabolism 15 (6), pp. 1103 - 1108 (1995)

Niwa, K.; Lindauer, U.; Villringer, A.; Dirnagl, U.: Blockade of nitric oxide synthesis in rats strongly attenuates the CBF response to extracellular acidosis. Journal of Cerebral Blood Flow & Metabolism 13, pp. 535 - 539 (1993)

Dirnagl, U.; Villringer, A.; Gebhardt, R.; Haberl, R. L.; Schmiedek, P.; Einhaeupl, K. M.: Three-dimensional reconstruction of the rat brain cortical microcirculation in vivo. Journal of Cerebral Blood Flow & Metabolism 11 (3), pp. 353 - 360 (1991)