1pha / Preprocessing-fMRI

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HW2: Preprocessing & GLM

[1] Preprocessing and GLM (a) Perform preprocessing and GLM using afni_proc.py script. Following steps should be included

  1. despiking
  2. slice timing correction
  3. motoin correction
  4. spatial normalization to the MNI space with 3 mm isotropic voxel size
  5. scaling of the voxel intensity to an average of 100
  6. temporal detrending Use subjects' EPI and anatomoical files for alignment
Let's do this with the link Hyemin gave

(b) Review your overall results including the estimated neuronal activations from the GLm as summarized in the afni_proc.py QC(APQC) with a html format.


[2] Statistical Analysis

From Class 11.24(Tue) - t-test

(a) Perform one-sample t-test for each of the four tasks

(b) Perform all the paired t-test for the pairs of the tasks(e.g. ad vs lh, ad vs rh ... and so on.)

(c) Perform one-way repeated measures ANOVA using the results from all the four tasks(i.e. suppose there are four factors and one group)


[+] Reference Links HTMl APQC AFNI Overview

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