Hello everyone,
I am struggling with smp2 fMRI baiscs. I am trying to produce paramtric map using single subject audio example
(ftp://ftp.fil.ion.ucl.ac.uk/spm/data/MoAEpilot/README_analysis.txt) using preprocessed data (realigned, normalized, smoothed: http://www.fil.ion.ucl.ac.uk/spm/data/auditory/) .
The problem is that there is no explicit tutorial, just for this version of SPM
First of all I don't know how I create *SMP.spm file (I created one in Matlab, as .m file, then I changed extention to .mat, in Windows don't know if it was a good idea...)
Do I need to create 3 of them (conditions, scans, parametric estimation) ?
Baisc model – when to fill???? At the beginning or end ?
- One sample t-test
- Selected 84 images
- GMsca: grand mean scalling. (left default)
Then I went through setting data and parameters as follows:
No of scans per session: 84 (total no of scans)? or 12 12 12 12 12 12 12 (scans per block, two condition per each block)
No trials: 2?
Timing in: scans
No of conditions: 2
Name of cond 1: rest
Vector of onsets: 1 2 3 4 5 6 ???
Duration: 42 s
1. specify design data: design data
2. interscan interval: 7 s
3. scans per session: 84
4. specify design: seconds scans
5. haemodynamic basis functios: hrf
6. model interactions (Voltera): no
7. no of conditions/trials: 2
8. session repetition: yes
9. trial specification in scans; name of con 1: rest
10.vector of onsets: 1 2 3 4 5 6
11.duration events: 42
12.parametric modulation: none
crashed here when reenterind data with corrected no of sessions
decided to remove old SPM.mat file
13.trial2: audio
14.vector os onsets: 7 8 9 10 11 12
15.duration s events: 42
16.other parameters: none
17.session 1: Other regressors: 0
Where did I go wrong?
Many thanks in advance,
Iwo
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