PowerPoint Presentation - Time Series Analysis in AFNI

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• Enough theory (for now: more to come later!)

• To look at the data: type cd AFNI_data1/afni ; then afni

• Switch Underlay to dataset epi_r1

H Then Sagittal Image and Graph

H FIM®Pick Ideal ; then click afni/ideal_r1.1D ; then Set

H Right-click in image, Jump to (ijk), then 29 11 13, then Set

Sample Data Analysis: Simple Regression

• Data clearly has activity in sync with reference

• Data also has a big spike, which is annoying

o Subject head movement!