Impact of Global Normalization in fMRI Acupuncture Studies
Global normalization is often used as a preprocessing step for dispelling the “nuisance effects.” However, it has been shown in cognitive and emotion tasks that this preprocessing step might greatly distort statistical results when the orthogonality assumption of global normalization is violated. Th...
| Main Authors: | , , , , , , , , , |
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| Format: | Online |
| Language: | English |
| Published: |
Hindawi Publishing Corporation
2012
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| Online Access: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC3534243/ |