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. 2000 May 1;20(9):3328–3338. doi: 10.1523/JNEUROSCI.20-09-03328.2000

Fig. 3.

Fig. 3.

Size of the coherent areas over the barrel field activated by vibrissal stimulation plotted as a function of the level of significance of the Pearson's correlation coefficient for the fMRI BOLD signal and for the ORIS-577 and ORIS-605 signals. The data points represent the means (± SE) from the five animals. Note the rather parallel functions for the BOLD (diamonds) and the ORIS-577 signal (squares). For comparison, the sizes of the areas obtained with conventional analysis of fMRI and ORIS data (Masino et al., 1993; Chen-Bee et al., 1996), the in-plane size of fMRI and ORIS voxels, and the size of the D2 barrel in the gerbil are also identified. Note that the latter is smaller than the size of a single fMRI voxel.