. 2017 Jun 5;38(9):4497–4510. doi: 10.1002/hbm.23677

Table 1.

Information about the motion realignment procedure of the software packages used

Software	Version and/or year	Procedure or function	Reference image	Cost function	Interpolation method	Additional information
SPM	8, 2008	Realign	Mean	Least squares	2^nd degree B‐spline	A two‐pass procedure is carried out, where after the first pass, a mean image is calculated and used as a reference image for the second pass.
FSL	5.0, 2012	MCFLIRT	Middle	Least squares	Trilinear	Several cost functions are available but the least squares method was selected for consistency with other packages. A three‐pass procedure is carried out with increasingly stricter tolerances.
AFNI	2012	3dvolreg	First	Weighted least squares	Fourier

Software

Version and/or year

Procedure or function

Reference image

Cost function

Interpolation method

Additional information

SPM

8, 2008

Realign

Mean

Least squares

2^nd degree B‐spline

A two‐pass procedure is carried out, where after the first pass, a mean image is calculated and used as a reference image for the second pass.

FSL

5.0, 2012

MCFLIRT

Middle

Least squares

Trilinear

Several cost functions are available but the least squares method was selected for consistency with other packages.

A three‐pass procedure is carried out with increasingly stricter tolerances.

AFNI

2012

3dvolreg

First

Weighted least squares

Fourier