¥3dANOVA2:
viewing results
HMain
effect: Regions showing presence of differences in activation due to
changes in stimulus type (which differences must be determined
via later contrasts)
åview StimEffect
sub-bricks for function and threshold (F-stat = 15, p =10-5)
HFactor
Means: Activation in response to each category
åview TM,
HM, etc. sub-bricks (t-stat = 10.6, p = 10-10)
åall
categories appear to activate same areas
HChoose
AllAct sub-bricks for finding regions activated by at least one of the
stimuli
åthis
region of activation is often used to select an ROI which is examined for subtler effects
HChoose
HvsT (human versus tools) sub-bricks
ånote
small range of t-values (subtler effects, if any)
ålower t-stat
threshold to 4, p ~ 5x10-4
åmight
want to restrict hypothesis testing to region activated by stimuli
HLook
for interactions that might complicate your fairy tale (AKA hypothesis)
åview
the Inter sub-bricks to determine if some areas for which the contrast (TM+HP)Ð(HM+TP)
is significant
åHopefully
youÕll find few/none, or be prepared to explain such activations