The Smoothing Artifact of Spatially Constrained Canonical Correlation Analysis in Functional MRI
Example of the calculated joint probability density for motor activation data for a neighborhood size and cCCA with the maximum constraint. The function was determined using 2D kernel density estimation with a 2D Gaussian kernel. The variables and CNR specify the statistic and the contrast-to-noise ratio of the 5-voxel neighborhood, respectively. The threshold to obtain FWE <0.05 is .
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