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Independent component analysis in the detection and correction of physiological artifacts in fMRI

โœ Scribed by Kai-Hsiang Chuang; Jyh-Horng Chen

Book ID
119585047
Publisher
Elsevier Science
Year
2001
Tongue
English
Weight
329 KB
Volume
13
Category
Article
ISSN
1053-8119

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## Abstract Signal phase variations caused by physiology are a major source of instability in fMRI images produced by multiple RF pulses. __k__โ€Space phase variation maps show cyclic phase variations at the frequency of respiration combined with a cardiac variation of lower amplitude. The amplitude