Modeling Geometric Deformations in EPI Time Series
نویسندگان
چکیده
منابع مشابه
Modeling geometric deformations in EPI time series.
Even after realignment there is residual movement-related variance present in fMRI time-series, causing loss of sensitivity and, potentially, also specificity. One cause is the differential deformation of the sampling matrix, by field inhomogeneities, at different object positions, i.e., a movement-by-inhomogeneity interaction. This has been addressed previously by using empirical field measure...
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ژورنال
عنوان ژورنال: NeuroImage
سال: 2001
ISSN: 1053-8119
DOI: 10.1006/nimg.2001.0746