Dear CONN-experts

I want to analyze the resting-state fMRI data obtained by using 3T Siemens Skyra scanner.

The parameters are the following: isovoxel of 2 mm3, TR=2 sec, multiband factor of 3.

After searching for the answer from the online webpages, some researchers recommend that slice timing correction is necessary in cases of TR=2 sec.

During slice time correction, I chose Manually define, and entered acquisition time of each slice(72 slice) obtained through the dcm2niix program.

However, in the preprocessing process, an error occurs repeatedly, and automatically returned as 1,2,3.......91.

Number of slices is... : 91
Time to Repeat (TR) is... : 2
Parameters are specified as... : slice indices
Completed : 11:46:44 - 22/12/2017
Done 'Slice Timing'
Running 'Slice Timing'

I can not understand what 91 means and why this phenomenon appears.


Any suggestion?


My question is very similar to what Larry did in 2017. I could not find the answer to that question and I was asked again.


Thanks for considering my request.

jh lee