Hi Amelia,
Regardless of whether you are running a first-level or group-level
analysis, the pre-threshold mask must be defined in the same space as
your data. You will need to transform your mask into the native
functional space for your subject (or for each of your subjects).
Cheers,
Paul
On 19/07/2019, Amelia Couture <[log in to unmask]> wrote:
> Hi Paul,
>
> Thank you for your response--this is a first-level analysis. Would it be
> appropriate to run the mask at the group-level analysis instead?
>
> Best,
> Amelia
>
> On Fri, Jul 19, 2019 at 1:08 AM paul mccarthy <[log in to unmask]>
> wrote:
>
>> Hi Amelia,
>>
>> Is this a first-level or group-level analysis?
>>
>> My only thought is that your mask (which is defined in MNI152 space)
>> may not be in the same space as your data (which may be in subject
>> functional space)
>>
>> Cheers,
>>
>> Paul
>>
>> On 16/07/2019, Amelia Couture <[log in to unmask]> wrote:
>> > Hello,
>> >
>> > It's been a few days and I still haven't been able to figure this out.
>> Does
>> > anyone have any ideas?
>> >
>> > I've been working on analyses using a ROI mask, and have been running
>> into
>> > some difficulties. When I add in my mask file to the pre-threshold
>> masking
>> > field in the GUI, I get the following error:
>> >
>> > /usr/local/fsl/bin/fsl_sub -T 119 -l logs -N feat4_post -j 15012
>> > /usr/local/fsl/bin/feat *file path to design.fsf* -D *File path to
>> > Subject001_Run1.feat* -poststats 0
>> > child killed: SIGABRT
>> > while executing
>> > "if { [ catch {
>> >
>> > for { set argindex 1 } { $argindex < $argc } { incr argindex 1 } {
>> > switch -- [ lindex $argv $argindex ] {
>> >
>> > -I {
>> > incr arginde..."
>> > (file "/usr/local/fsl/bin/feat" line 312)
>> >
>> > FATAL ERROR ENCOUNTERED:
>> > COMMAND:
>> > /usr/local/fsl/bin/fsl_sub -T 119 -l logs -N feat4_post -j 15012
>> > /usr/local/fsl/bin/feat *File path to design.fsf* -D *File path to
>> > Subject001_Run1+.feat* -poststats 0
>> > ERROR MESSAGE:
>> > child process exited abnormally
>> > END OF ERROR MESSAGE
>> >
>> > Everything works correctly when I run the same analysis without the
>> > mask.
>> > I've attached the file that I'm uploading for the mask in case that's
>> > helpful to see.
>> >
>> > Thanks!
>> > Amelia
>> > --
>> > Amelia Couture Bue
>> > Ph.D Candidate
>> > Department of Communication Studies
>> > University of Michigan
>> > (she/her/hers)
>> >
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>> >
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>> >
>>
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>
>
> --
> Amelia Couture Bue
> Ph.D Candidate
> Department of Communication Studies
> University of Michigan
> (she/her/hers)
>
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