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Differentiating Sensitivity of Post-Stimulus Undershoot under Diffusion Weighting: Implication of Vascular and Neuronal Hierarchy
The widely used blood oxygenation level dependent (BOLD) signal during brain activation, as measured in typical fMRI methods, is composed of several distinct phases, the last of which, and perhaps the least understood, is the post-stimulus undershoot. Although this undershoot has been consistently o...
| Autores principales: | , |
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| Formato: | Texto |
| Lenguaje: | English |
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Public Library of Science
2008
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| Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC2500218/ https://www.ncbi.nlm.nih.gov/pubmed/18698432 http://dx.doi.org/10.1371/journal.pone.0002914 |