The DOI matches its Crossref record; 3 of the 3 references it cites were found in a registry or an index.
Dynamic functional imaging of relative cerebral blood volume during rat forepaw stimulation
Abstract
Dynamic measurements of regional changes in cerebral blood volume (CBV) were performed in rat models of hypercarbia and focal neuronal activation using T2‐weighted imaging after injection of an intravascular contrast agent with a very long blood half‐life. Calculated percent CBV change during hypercarbia was consistent with literature results from other non‐invasive modalities. Equivalent percent CBV increases were found using spin‐ and gradient‐echo images, suggesting proportional changes in blood volume for capillaries and small veins. During electrical stimulation of rat forepaw, focal CBV response to stimulation (24 ± 4%) was significantly delayed relative to blood oxygen level dependent (BOLD) signal after both onset and cessation of stimulation. Poststimulus CBV decay was temporally consistent with the BOLD poststimulus undershoot. The use of exogenous agent increased the functional contrast‐to‐noise ratio relative to BOLD imaging by 5.7 ± 1.3 at a magnetic field strength of 2 Tesla and 1.5 ± 0.2 at 4.7 Tesla.
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Citations
Cites
Brain magnetic resonance imaging with contrast dependent on blood oxygenation.
Ogawa, S., Lee, T. M., Kay, A. R., & Tank, D. W. (1990) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.87.24.9868 · Cited by 6,483
Fox, P. T., & Raichle, M. E. (1986) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.83.4.1140 · Cited by 2,056
Functional mapping of the human visual cortex by magnetic resonance imaging
Belliveau, J. W., Kennedy, D. N., McKinstry, R. C., Buchbinder, B. R., Weisskoff, R. M., Cohen, M. S., Vevea, J. M., Brady, T. J., & Rosen, B. R. (1991) · Science · doi:10.1126/science.1948051 · Cited by 1,883
Self-citation
Cited by
Dynamics of blood flow and oxygenation changes during brain activation: the Balloon model
Buxton, R. B., Wong, E. C., & Frank, L. R. (1998) · Magnetic Resonance in Medicine · doi:10.1002/mrm.1910390602 · Cited by 1,665
Weissleder, R., & Mahmood, U. (2001) · Radiology · doi:10.1148/radiology.219.2.r01ma19316 · Cited by 1,315
Self-citationShmuel, A., Augath, M., Oeltermann, A., & Logothetis, N. K. (2006) · Nature Neuroscience · doi:10.1038/nn1675 · Cited by 898
Biophysical and Physiological Origins of Blood Oxygenation Level-Dependent fMRI Signals
Kim, S.-G., & Ogawa, S. (2012) · Journal of Cerebral Blood Flow & Metabolism · doi:10.1038/jcbfm.2012.23 · Cited by 547
A neural switch for active and passive fear
Gozzi, A., Jain, A., Giovanelli, A., Bertollini, C., Crestan, V., Schwarz, A. J., Tsetsenis, T., Ragozzino, D., Gross, C. T., & Bifone, A. (2010) · Neuron · doi:10.1016/j.neuron.2010.07.008 · Cited by 209
Metadata
- Authors
- Mandeville, J. B., Marota, J. J. A., Kosofsky, B. E., Keltner, J. R., Weissleder, R., Rosen, B. R., & Weisskoff, R. M.
- Venue
- Magnetic Resonance in Medicine
- Publisher
- Wiley
- Published
- 1998-04
- Volume
- 39
- Issue
- 4
- Pages
- 615-624
- ISSN
- 0740-3194 (ISSN-L)
- 1522-2594
- OpenAlex
- W2065218488
- Cited by
- 549
- References
- 3
- FWCI
- 27.99
- Type
- journal article
- Language
- en
- Open access
- closed
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Bibliographic data: Semantic Scholar, OpenAlex, Crossref.
Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
Semantic Scholar’s data is described in: Kinney, R., et al. (2023). The Semantic Scholar Open Data Platform. arXiv:2301.10140.
