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Hi Dushyant,

The methods are spread across different papers. Try having a look into
these that I'm pasting below, and also the references inside each:

   - Beckmann CF, Jenkinson M, Smith SM. General multilevel linear modeling
   for group analysis in FMRI. Neuroimage. 2003 Oct;20(2):1052–63.
   - Jenkinson M, Beckmann CF, Behrens TEJ, Woolrich MW, Smith SM. Fsl.
   Neuroimage. 2011 Sep 16;62:782–90.
   - Jenkinson M, Beckmann CF, Behrens TEJ, Woolrich MW, Smith SM. Fsl.
   Neuroimage. 2011 Sep 16;62:782–90.
   - Smith S, Jenkinson M, Beckmann CF, Miller K, Woolrich M. Meaningful
   design and contrast estimability in FMRI. Neuroimage. 2007 Jan
   1;34(1):127–36.
   - Smith S, Jenkinson M, Beckmann CF, Miller K, Woolrich M. Meaningful
   design and contrast estimability in FMRI. Neuroimage. 2007 Jan
   1;34(1):127–36.
   - Smith SM, Beckmann CF, Ramnani N, Woolrich MW, Bannister PR, Jenkinson
   M, et al. Variability in fMRI: a re-examination of inter-session
   differences. Hum Brain Mapp. 2005 Mar;24(3):248–57.
   - Smith SM, Beckmann CF, Ramnani N, Woolrich MW, Bannister PR, Jenkinson
   M, et al. Variability in fMRI: a re-examination of inter-session
   differences. Hum Brain Mapp. 2005 Mar;24(3):248–57.
   - Smith SM, Jenkinson M, Woolrich MW, Beckmann CF, Behrens TEJ,
   Johansen-Berg H, et al. Advances in functional and structural MR image
   analysis and implementation as FSL. Neuroimage. 2004 Jan;23(Suppl.
   1):208–19.
   - Smith SM, Jenkinson M, Woolrich MW, Beckmann CF, Behrens TEJ,
   Johansen-Berg H, et al. Advances in functional and structural MR image
   analysis and implementation as FSL. Neuroimage. 2004 Jan;23(Suppl.
   1):208–19.
   - Woolrich M, Ripley B, Brady J, Smith S. Nonparametric estimation of
   temporal autocorrelation in FMRI. Neuroimage. 2000 May;11(5):S610–S610.
   - Woolrich MW, Behrens TEJ, Beckmann CF, Jenkinson M, Smith SM.
   Multilevel linear modelling for FMRI group analysis using Bayesian
   inference. Neuroimage. 2004 Apr;21(4):1732–47.
   - Woolrich MW, Behrens TEJ, Smith SM. Constrained linear basis sets for
   HRF modelling using Variational Bayes. Neuroimage. 2004 Apr;21(4):1748–61.
   - Woolrich MW, Jbabdi S, Patenaude B, Chappell M, Makni S, Behrens T, et
   al. Bayesian analysis of neuroimaging data in FSL. Neuroimage. Elsevier
   B.V.; 2009 Mar;45(1 Suppl):S173–86.
   - Woolrich MW, Ripley BD, Brady M, Smith SM. Temporal autocorrelation in
   univariate linear modeling of FMRI data. Neuroimage. 2001 Dec;14(6):1370–86.


Also, have a look into the Technical Reports in the FMRIB website:
http://www.fmrib.ox.ac.uk/analysis/techrep (it's down at the moment but
should be back online this afternoon).

All the best,

Anderson


On 12 March 2016 at 11:20, Dushyant Sahoo <[log in to unmask]> wrote:

> Hi All,
>
> I was trying to replicate the general linear model and inference
> methodology of FEAT using R, but the authors have not mentioned exact
> methodology for it. Can someone give the source or what method they have
> used in FEAT.
>
> Thanks
> Dushyant Sahoo
>