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help > RE: CONN toolbox - TR values
Mar 2, 2017 02:03 PM | Kiyotaka Nemoto
RE: CONN toolbox - TR values
Hi Elmira,
Please see in-line responses below.
Originally posted by elmira ismaylova:
You need to enter TR in seconds. That is, You just need to enter "2.3" in your case.
Use comma.
No, just enter 2.3 one time and CONN will expand it automatically.
I'm pretty sure it will affect the results. In the preprocessing step, CONN does slice timing correction. It uses the TR you enter, which will affect the result of slice timing correction.
You can find more information about slice timing correction in the link below.
https://en.wikibooks.org/wiki/Neuroimagi...
Hope this helps,
Kiyotaka
Please see in-line responses below.
Originally posted by elmira ismaylova:
Good evening Sir/Madam,
I am currently using CONN toolbox (v. 16.b) via MATLAB to perform resting-state analysis. Once in the Setup, one of the fields required to be filled is the repetition time (TR) -- my experimental value is 2300ms. This is where I have several questions.
First, I was wondering whether I have to simply put "2.3" or whether I have to round it up to "2"/"3" to avoid the decimals?
I am currently using CONN toolbox (v. 16.b) via MATLAB to perform resting-state analysis. Once in the Setup, one of the fields required to be filled is the repetition time (TR) -- my experimental value is 2300ms. This is where I have several questions.
First, I was wondering whether I have to simply put "2.3" or whether I have to round it up to "2"/"3" to avoid the decimals?
You need to enter TR in seconds. That is, You just need to enter "2.3" in your case.
Secondly, in case I should write the decimals,
should I use a point or a coma?
Use comma.
Third, if I have 100 participants, do I have to
put "2.3" hundred times with a space between these values?
No, just enter 2.3 one time and CONN will expand it automatically.
Lastly, would writing "2" (default value) or "3"
(very frequently entered value) instead of "2.3" significantly
change the results in the end?
I'm pretty sure it will affect the results. In the preprocessing step, CONN does slice timing correction. It uses the TR you enter, which will affect the result of slice timing correction.
You can find more information about slice timing correction in the link below.
https://en.wikibooks.org/wiki/Neuroimagi...
Hope this helps,
Kiyotaka
Threaded View
| Title | Author | Date |
|---|---|---|
| elmira ismaylova | Mar 2, 2017 | |
| Kiyotaka Nemoto | Mar 2, 2017 | |