SPM/Physio

Physiological noise correction

There are a number of toolboxes available implementing variants of RETROICOR to correct for physiological noise using physiological recordings (respiratory, cardiac, ...):

• TAPAS PhysIO Toolbox - integrated with SPM Batch Editor
• PhLEM Toolbox, see also 1
• DRIFTER Toolbox - actually not RETROICOR, but a nonlinear Bayesian model of physiological noise
• 3dretroicor
• See also some direct implementations of the RETROICOR algorithm in MATLAB:
  • http://cbi.nyu.edu/software/
  • https://github.com/neurodebian/freesurfer/blob/master/fsfast/toolbox/fast_retroicor.m

References:

• http://www.ncbi.nlm.nih.gov/pubmed/10893535
• http://mindhive.mit.edu/book/export/html/88
• http://mindhive.mit.edu/book/export/html/89
• http://fsl.fmrib.ox.ac.uk/fsl/fslwiki/PNM
• http://www.nitrc.org/projects/pestica/
• http://www.cabiatl.com/CABI/resources/part/
• http://sourceforge.net/projects/spmphysiotools/