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- <h2>Pre-stats</h2>
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- <hr><p><b>Analysis methods</b><br>FMRI data processing was carried out using FEAT (FMRI Expert Analysis Tool) Version 6.00, part of FSL (FMRIB's Software Library, www.fmrib.ox.ac.uk/fsl). The following pre-statistics processing was applied; non-brain removal using BET [Smith 2002]; spatial smoothing using a Gaussian kernel of FWHM 4.0mm; grand-mean intensity normalisation of the entire 4D dataset by a single multiplicative factor; highpass temporal filtering (Gaussian-weighted least-squares straight line fitting, with sigma=75.0s).
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- <p><b>References</b><br>[<a href=http://www.fmrib.ox.ac.uk/analysis/techrep/#TR00SMS2>Smith 2002</a>] S. Smith. Fast Robust Automated Brain Extraction. Human Brain Mapping 17:3(143-155) 2002.<br>
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