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MICCAI
2003
Springer
2003
Springer
Iterating Registration and Activation Detection to Overcome Activation Bias in fMRI Motion Estimates
14 years 5 months ago
Abstract. Most intensity-based fMRI registration methods do not account for the fact that the volumes being aligned may differ: one may have blood oxygen level dependent (BOLD) con...
TMI
2002
13 years 4 months ago
2002
It has been shown that the difference of squares cost function used by standard realignment packages (SPM and AIR) can lead to the detection of spurious activations, because the mo...
MICCAI
2002
Springer
14 years 5 months ago
2002
Springer
In this paper, we show that the standard point of view of the neuroimaging community about fMRI time series alignment should be revisited to overcome the bias induced by activation...