Dear Aser,
PSTH plots are created using a Finite Impulse Response (FIR) basis set
so this is the basis set you should select for each of your subjects.
See chapter 32 of the SPM manual for a detailed analysis at the group level:
http://www.fil.ion.ucl.ac.uk/spm/data/face_rfx/
Best regards,
Guillaume.
On 12/12/16 13:09, Aser A wrote:
> Hi all,
>
> I am forwarding this again as I could not find an answer.
> ---------- Forwarded message ----------
> From: *fmri2013* <[log in to unmask] <mailto:[log in to unmask]>>
> Date: Wed, Nov 23, 2016 at 11:07 AM
> Subject: effects of PST
> To: SPM <[log in to unmask] <mailto:[log in to unmask]>>
>
>
> Hello all,
>
> Is it possibke in SPM to see the effect or changes on the Post stimulus
> time (PST) (or perstimulus time - I am not sure if they are the same)
> for each subject and make a groupe statistical inferences on the PST
> changes? I used though the standard canonical HRF function provided by
> SPM. The task is an event related design and stimuli are jittered.
>
> Thanks in advance
>
> Aser
>
>
>
--
Guillaume Flandin, PhD
Wellcome Trust Centre for Neuroimaging
University College London
12 Queen Square
London WC1N 3BG
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