PowerPoint Presentation - Using AFNI Interactively

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To Run Script and View Results

• type source epi_r1_decon ; then wait for programs to run

• type afni to view what we’ve got

H Switch Underlay to epi_r1_reg (output from 3dvolreg)

H Switch Overlay to epi_r1_func (output from 3dDeconvolve)

H Sagittal Image and Graph viewers

H FIM®Ignore®2 to have graph viewer not plot 1st 2 time pts

H FIM®Pick Ideal ; pick epi_r1_ideal.1D (output from waver)

• Define Overlay to set up functional coloring

• Olay®Allstim[0] Coef (sets coloring to be from model fit b)

• Thr®Allstim[0] t-s (sets threshold to be model fit t-statistic)

• See Overlay (otherwise won’t see the function!)

• Play with threshold slider to get a meaningful activation map (e.g., t=4 is a decent threshold)