Not sure if this is what you mean but SPM uses 18-neighbour criterion (all voxels within a 3x3x3 3D cube excluding the vertices) to define clusters (connected components) and peaks (local maxima)
Best
Alfonso
On Mon, 10 Apr 2023 14:24:39 +0000, McMains, Stephanie A <[log in to unmask]> wrote:
>Does anyone know what nearest neighbor value SPM uses for the FDRc correction?
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>Thanks,
>Stephanie
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>++++++++++++++++++++++++++
>Stephanie McMains
>Associate Director
>Cognitive Neuroimaging Center
>Boston University
>610 Commonwealth Ave.
>Boston, MA 02215
>Phone: 617-529-1854
>Pronouns: she, her, hers
>++++++++++++++++++++++++++
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