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The impact of global signal regression on resting state correlations: Are anti-correlated networks introduced?
Low-frequency fluctuations in fMRI signal have been used to map several consistent resting state networks in the brain. Using the posterior cingulate cortex as a seed region, functional connectivity analyses have found not only positive correlations in the default mode network but negative correlati...
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| Main Authors: | , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2008
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC2750906/ https://ncbi.nlm.nih.gov/pubmed/18976716 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1016/j.neuroimage.2008.09.036 |
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