There are a variety of other sources of structured noise in fMRI beyond
motion (physiology, physiology interacting with the magnetic field,
scanner artifacts, etc).
Peace,
Matt.
On 3/17/14 11:28 AM, "Jacobs H (NP)" <[log in to unmask]>
wrote:
>Hello FSL experts,
>
>Iım using Melodic for resting state data and de-noise the data afterwards
>using FIX. According to the fix4melview_Standard.txt file 26/40
>components are classified as noise (which I can confirm by visual
>inspection), however according to the MELODIC report this subject did not
>move beyond 0.8mm (absolute mean displacement), . How can these
>(seemingly conflicting) findings be explained and how would you advise I
>proceed with a data set like this?
>
>Thank-you!!
>
>Heidi
>on behalf of Kim
>
>
>
>================================================
>Dr. Heidi Jacobs
>Postdoc researcher
>Faculty of Health, Medicine and Life Sciences
>School for Mental Health and Neurosciences
>Division Cognitive Neuropsychiatry and Clinical Neurosciences
>Alzheimer Center Limburg
>[log in to unmask]
>www.maastrichtuniversity.nl
>www.heidijacobs.nl
>
>Dr. Tanslaan 12, 6229 ET Maastricht
>P.O. Box 616, 6200 MD Maastricht, The Netherlands
>T +31 43 38 84 090 F +31 43 38 84 092
>================================================
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