====== 7T Resting State fMRI ======

===== Resting State Parameters =====

2x2x2mm<sup>3</sup>, 220 volumes, <wrap warning>2.18-2.23s</wrap> TR 
<code>
3dinfo -ad3 -n4 /Volumes/Hera/Raw/BIDS/7TBrainMech/sub-10129/20180917/func/sub-10129_task-rest_run-01_bold.nii.gz 
2.040816        2.040816        1.999999        98      98      48      220

3dinfo -tr /Volumes/Hera/preproc/7TBrainMech_rest/MHRest_nost_ica/10129_20180917/brnaswdkm_func_4.nii.gz 
2.180000

</code>

==== Variable TR ====
EPI TR/TE tweaks during study (for scanner stability, SAR/saftey?). See ''/Volumes/Hera/Projects/7TBrainMech/scripts/mri/014_actual_tr.bash'' use in ''Makefile'' (''txt/calc_rest_tr.txt'')

{{:grants:7t:mr:pasted:20241117-125915.png}}

<code=bash>
perl -MList::Util=min,max -sale '
  $tr=sprintf("%.2f",$F[1]);
  push @{$a{$tr}}, $& if m/\d{8}/; 
  END {print join "\t", $_, $#{$a{$_}}, min(@{$a{$_}}), max(@{$a{$_}})
       for(keys %a)}
' < txt/calc_rest_tr.txt

2.23    46      20220602        20231110
2.18    43      20180129        20190823
2.20    194     20180917        20211211
0.00    6       20180312        20190816
</code>
===== Backlinks =====
{{backlinks>.}}