GData Collected:
å1 Anatomical (SPGR)
dataset for each subject
í124 sagittal
slices
å10 Time Series (EPI)
datasets for each subject
í23 axial slices x
138 volumes = 3174 volumes/timepoints per run
¥note: each run consists of random presentations of rest
and all 4 stimulus condition
levels
íTR = 2 sec; voxel dimensions = 3.75 x 3.75 x 5 mm
åSample size, n=3 (subjects
ED, EE, EF)
¥ note:
original study had n=10
¥Analysis Steps:
G Part
I: Process data for each subject
first
åPre-process
subjectsÕ data Þ many steps involved
hereÉ
åRun deconvolution
analysis on each subjectÕs dataset --- 3dDeconvolve
å
G Part II: Run
group analysis
å2-way Analysis of
Variance (ANOVA) --- 3dANOVA2
íi.e., Stimulus
Condition (4) x Subjects (3) = 2-way ANOVA