Ok I think it's starting to make more sense now! Thanks for the links.
And thanks again for your help,
Eli
On 11/21/2016 10:42 AM, MRI More wrote:
> Dear Eli,
>
> Yes, correction on cluster level = extent (in contrast to voxel level = height). In practice, for a FWE correction on cluster/extent level you go with an (uncorrected) voxel/height threshold, e.g. .001, which defines the clusters, and then you have to look at the p values in the left column of the results table to find out whether a cluster is sig. on cluster level or not.
>
> For the theory and implementation in SPM you could look at https://urldefense.proofpoint.com/v2/url?u=http-3A__www.fil.ion.ucl.ac.uk_spm_doc_books_hbf2_pdfs_Ch14.pdf&d=DgIFaQ&c=QmPtDiFixEjkMvDKaP3E2Vb9C2z4M0PdarxyAHQ2iDQ&r=xbyrBxm81l6mG_XEX66jgCNTXfK3eVo30T9sVQVTz1Q&m=PPzDah4A7W1F4-GRC89OX7L5nK36KOYD-DEpJTsIhaM&s=97pgvlYL230yeG2rWDXd3QdciZ4ZNUqZckmmmgxflvM&e= and https://urldefense.proofpoint.com/v2/url?u=http-3A__www.fil.ion.ucl.ac.uk_spm_doc_books_hbf2_pdfs_Ch15.pdf&d=DgIFaQ&c=QmPtDiFixEjkMvDKaP3E2Vb9C2z4M0PdarxyAHQ2iDQ&r=xbyrBxm81l6mG_XEX66jgCNTXfK3eVo30T9sVQVTz1Q&m=PPzDah4A7W1F4-GRC89OX7L5nK36KOYD-DEpJTsIhaM&s=wyRa8NZr5_2O5tPH4mB_fSHdn5qwmPsSPgE2SWggXzE&e= , as it's a rather recent paper maybe also Woo et al. (2014, https://urldefense.proofpoint.com/v2/url?u=https-3A__dx.doi.org_10.1016-252Fj.neuroimage.2013.12.058&d=DgIFaQ&c=QmPtDiFixEjkMvDKaP3E2Vb9C2z4M0PdarxyAHQ2iDQ&r=xbyrBxm81l6mG_XEX66jgCNTXfK3eVo30T9sVQVTz1Q&m=PPzDah4A7W1F4-GRC89OX7L5nK36KOYD-DEpJTsIhaM&s=QqNRgQo5QQq_4E-APa-01xWL7RTXiecNeEvCMapo7mA&e= ).
>
> Best
>
> Helmut
>
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