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Homer3 GLM producing strange results

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Jonathan Vaisberg
Posts: 3
 Jonathan Vaisberg
Customer
Topic starter
Jul 18, 2022 4:58 pm
(@jvaisberg90)
New Member
Joined: 5 months ago

Hi all,

I am using a template GLM processing stream but its producing HRF with very strong periodic elements. 

Am I doing anything wrong? Any insights here would be great.

Screenshot 2022 07 18 125723
Screenshot 2022 07 18 125658

 Thanks

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GLM homer3 processing stream
2 Replies
David Boas
Posts: 217
 David Boas
Registered
Jul 18, 2022 6:11 pm
(@dboas)
Estimable Member
Joined: 2 years ago

I suggest you set your rhoSD_ssThresh to 0.

it looks to me that you are viewing short separation channels and you have regressed out the short separation signal which is resulting in the very small values (you have 1e-11).

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Jonathan Vaisberg
 Jonathan Vaisberg
Customer
(@jvaisberg90)
Joined: 5 months ago

New Member
Posts: 3
Jul 29, 2022 11:20 am
Reply toDavid BoasDavid Boas

@dboas Thank you. This resolved the problem.

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Topic Tags:  GLM (9), homer3 (26), processing stream (5),
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