[Eeglablist] Interpreting Brodmann Area and Anatomical location of Domain in MPT analysis

[Mohammed Jarjees]

Dear all,

I have used Measure Projection Toolbox (MPT) to analyse  motor imagery EEG data.  In some domains I get Brodmann areas contributing and corresponding anatomical areas which are not covering these Brodmann areas at all (example below). If they are complementary, then why BA adds up to 91% and anatomical areas up to  83%?


Brodmann areas

Probability

BA 25
BA 23
BA 34
BA 29
BA 28

0.47
0.16
0.16
0.06
0.06


Total Probability

0.91


Anatomical areas

Probabilities

L Caudate
Brainstem
R Caudate
L Putamen

Total Probability


0.29
0.23
0.17
0.14

0.83






I understand that anatomical areas can be wider than BAs, but shouldn't it anatomical areas cover BAs?

How should I interpret this?



Best Regards

Mohammed

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