On Mon, 20 Apr 2009 13:46:02 -0500, Michael Treadway
<[log in to unmask]> wrote:
>Hi SPMers,
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> We have a first-level analysis for which several of our contrasts
>have been showing "streaks" of activation (see attached image). We are
>wondering if this pattern of activation could possibly result from
>normal/benign variance, or whether it implies something seriously
>wrong with either our data or preprocessing.
>
>The motion for this subject was generally good (all runs < 1.2mm for
>all 6 parameters). Preprocessing steps included ArtRepair bad slice
>detection and bad volume detection.
One important issue is whether or not the streaks are parallel to the plane of
acquisition. Are they parallel?
>Many Thanks,
>
>Michael Treadway, MA
>Department of Psychology
>Vanderbilt University
>301 Wilson Hall
>111 South 21st Avenue
>Nashville, TN 37203
>610.909.2565
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