getSearchlightPattern function

Extract searchlight pattern from a SPM

For a provided spm object and a mask of voxel the function extracts the values of the parameter estimates within the searchlight region and for all voxel in the mask.

getSearchlightPattern(spm, voxel, radius)

Arguments

• spm: an object of class 'fmrispm'
• voxel: a mask (logical) with dimensionality compatible to the spm
• radius: radius of the searchlight

Returns

an array of dimension c(nb, nsl, nvox) with nb the number of estimated parameters in spm$beta, nsl the number of voxel in the searchlight and nvox the number of voxel in the mask provided as second argument

Author(s)

Joerg Polzehl polzehl@wias-berlin.de

See Also

fmri.searchlight, fmri.lm~~~