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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Библиографические подробности
Главные авторы: Chen, Gang, Chen, Guangyu, Xie, Chunming, Ward, B. Douglas, Li, Wenjun, Antuono, Piero, Li, Shi-Jiang
Формат: Artigo
Язык:Inglês
Опубликовано: 2012
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Article
Online-ссылка: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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