Hi FSL,
I processed pCASL data through basil and generated zstatistic images with flameo using flame1 (my data were calibrated and processed with partial volume correction in MNI152 standard space before inputting to flameo). I wanted to correct for multiple comparisons using cluster thresholding with easythresh (pvalue for voxel 3.1, p<0.05 for cluster extent). However, it asks for a background image. For functional data, we would use the example_func image but I am not sure what would be used for ASL data?
easythresh <zstat> <brain_mask> <cluster_z_thresh> <cluster_prob_thresh> <background_image> <output>
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