Exploratory Data Analysis Methods for fMRI - Biomedical Signal Analysis: Contemporary Methods and Applications - page 259

(a) recovered component maps
(b) time courses
Figure 8.3
Extracted ICA components of fMRI recordings. (a) shows the spatial, and (b) the
corresponding temporal, activation patterns, where in (b) the gray bars indicate
stimulus activity. Component 4 contains the (independent) visual task, active in the
visual cortex (white points in (a)). It correlates well with the stimulus activity (b).