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. Author manuscript; available in PMC: 2010 Feb 1.
Published in final edited form as: J Magn Reson Imaging. 2009 Aug;30(2):384–393. doi: 10.1002/jmri.21848

Figure 2.

Figure 2

Connectivity maps created using time-courses filtered to retain LF1 (middle column) or LF2 (right column). The left column shows EPI images overlaid with seed ROIs. a: Connectivity maps from a rat with two well-defined spectral peaks. The seed locations are SI (first row) and SII (second row). Stronger correlation and less specificity is observed for LF1 compared with LF2. The correlation maps are less dependent upon the seed location for LF1. b: Connectivity maps from a rat with a single spectral peak. LF1 connectivity maps show strong correlation throughout the cortex that is relatively insensitive to the location of the seed, similar to a. The LF2 peak is more specific but less bilateral connectivity is observed than for the dataset with two peaks.