Affiliation: University of California
- Cytochrome-c-oxidase redox changes during visual stimulation measured by near-infrared spectroscopy cannot be explained by a mere cross talk artefactKÃ¢mil UludaÄŸ
Department of Neurology, CharitÃ©, Humboldt University, Berlin 10117, Germany
Neuroimage 22:109-19. 2004..Further (invasive) validation studies are required...
- Coupling of cerebral blood flow and oxygen consumption during physiological activation and deactivation measured with fMRIKamil Uludag
0677 Center for Functional MRI, Department of Radiology, University of California, San Diego, La Jolla, CA 92093 0677, USA
Neuroimage 23:148-55. 2004....
- Separability and cross talk: optimizing dual wavelength combinations for near-infrared spectroscopy of the adult headKamil Uludag
Department of Neurology, Charite, Humboldt University, Berlin 10117, Germany
Neuroimage 22:583-9. 2004..We show the relevance of these theoretical results for noninvasive NIRS by testing the predictions on experimental data obtained in adults undergoing visual stimulation...
- Habituation of the visually evoked potential and its vascular response: implications for neurovascular coupling in the healthy adultHellmuth Obrig
Neurologische Klinik, Charite, Humboldt Universitat zu Berlin, 10098 Berlin, Germany
Neuroimage 17:1-18. 2002....
- Decreases in ADC observed in tissue areas during activation in the cat visual cortex at 9.4 T using high diffusion sensitizationEssa Yacoub
Center for Magnetic Resonance Research, Department of Radiology, University of Minnesota Medical School, Minneapolis, MN 55455, USA
Magn Reson Imaging 26:889-96. 2008..Furthermore, we did not observe any temporal differences in the highly diffusion-weighted data compared to BOLD; however, although the changes may likely be vascular in nature, they are highly localized to the tissue areas...
- Modeling the hemodynamic response to brain activationRichard B Buxton
Department of Radiology, 0677, and Center for Functional MRI, University of California San Diego, La Jolla, CA 92093 0677, USA
Neuroimage 23:S220-33. 2004..This approach has the potential to enhance numerous studies of brain function in development, health, and disease...
- Frontiers of brain mapping using MRINoam Harel
Center for Magnetic Resonance Research CMRR, Department of Radiology, University of Minnesota, Minneapolis, Minnesota, USA
J Magn Reson Imaging 23:945-57. 2006..In this work, fMRI techniques and the ongoing development of existing techniques are discussed with implications for the future of fMRI...
- Noninvasive monitoring of cerebral blood flow by a dye bolus method: separation of brain from skin and skull signalsMatthias Kohl-Bareis
Humboldt University, Charite Hospital, Department of Neurology, Schumannstrasse 20 21, 10117 Berlin, Germany
J Biomed Opt 7:464-70. 2002..This result is promising with respect to the potential of bedside monitoring of mean transit time (MTT) changes in patients with stroke or related vascular disease...
- Caffeine alters the temporal dynamics of the visual BOLD responseThomas T Liu
Center for Functional Magnetic Resonance Imaging and Department of Radiology, University of California San Diego, La Jolla CA 92093 0677, USA
Neuroimage 23:1402-13. 2004..The reproducibility of the results was verified in one subject who was scanned on 3 different days. The dynamic changes are similar to those previously reported for baseline CBF reductions induced by hypocapnia and hyperoxia...
- Neurovascular coupling analyzed non-invasively in the human brainBruno Marcel Mackert
Neurophysics Group, Department of Neurology, Campus Benjamin Franklin, CharitÃ©, University Medicine Berlin, Freie UniversitÃ¤t, Hindenburgdamm 30, 12200 Berlin, Germany
Neuroreport 15:63-6. 2004....