I THINK your last timepoint shld be 17.5 which covers from 17.5 - 20 and
makes the timewindow 25 sec. so, yu will have 10 timepoints in total.
Balaji

Cameron Ellis
> Hi,
> I am running roisummary with an FIR analysis with a 25s timewindow, 5s
> prestim  and TR=2.5s. I In the summary output I receive 10 nestpercond but
> shouldn't I receive 11 with these parameters?
>
> timecourse: -5.0 -2.5 0.0 2.5 5.0 7.5 10.0 12.5 15.0 17.5 20.0
> timepoint:   0    1   2   3   4   5    6    7    8    9   10
>
> I did not mask the roi. If I should only receive 10 nestpercond which
> timepoint is left out? Thanks in advance.
> Cameron
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>


-----------------------
Balaji M Lakshmanan M.S.
Research Technologist
Mass. General Hospital (East)
e-mail: [EMAIL PROTECTED]
Phone: 617-726-9189
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