Table 1 Model parameters estimated using the true value (\(V_t\)) and a typical assumed value (\(V_a\)) for the maximally activated voxels of two subjects
From: Nonlinear estimation of BOLD signals with the aid of cerebral blood volume imaging
Subject | Maximally activated voxel | Model parameters | ||||
|---|---|---|---|---|---|---|
\(\epsilon\) | \(\tau _s\) | \(\tau _f\) | \(\tau _0\) | \(E_0\) | ||
1 | \(V_t=0.0172\) | 0.8858 | 1.9067 | 2.9133 | 4.7506 | 0.5579 |
\(V_{\alpha }=0.02\) | 0.6598 | 2.6444 | 3.1977 | 5.2499 | 0.4388 | |
2 | \(V_t=0.0308\) | 0.3910 | 3.3874 | 2.8647 | 4.5286 | 0.6288 |
\(V_{\alpha }=0.02\) | 0.9089 | 1.6889 | 2.5726 | 4.4636 | 0.6569 | |