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A Method to Determine the Necessity for Global Signal Regression in Resting-State fMRI Studies
In resting-state functional MRI (R-fMRI) studies, the global signal (operationally defined as the global average of R-fMRI time courses) is often considered a nuisance effect and commonly removed in preprocessing. This global signal regression method can introduce artifacts, such as false anticorrel...
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| Main Authors: | , , , , , , |
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| Formato: | Artigo |
| Idioma: | Inglês |
| Publicado em: |
2012
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| Assuntos: | |
| Acesso em linha: | https://ncbi.nlm.nih.gov/pmc/articles/PMC3382008/ https://ncbi.nlm.nih.gov/pubmed/22334332 https://ncbi.nlm.nih.govhttp://dx.doi.org/10.1002/mrm.24201 |
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