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

[Aleksandra Vuckovic]

Hi Tarik
Isn’t it that BA covers  only cortex? What BA would correspond to caudate, brainstem and putamen?
Best regards
Aleksandra

From: Mohammed Jarjees
Sent: 19 September 2016 18:46
To: Aleksandra Vuckovic <Aleksandra.Vuckovic at glasgow.ac.uk>
Subject: FW: [Eeglablist] Interpreting Brodmann Area and Anatomical location of Domain in MPT analysis



From: Tarik S Bel-Bahar [mailto:tarikbelbahar at gmail.com]
Sent: 19 September 2016 18:23
To: Mohammed Jarjees <m.jarjees.1 at research.gla.ac.uk<mailto:m.jarjees.1 at research.gla.ac.uk>>
Subject: Re: [Eeglablist] Interpreting Brodmann Area and Anatomical location of Domain in MPT analysis

Hi Moh, you probably already know this.
My understanding is that BAs cover multiple anatomical areas. Thus every BA refers to one or more anatomical areas, and not every anatomical area refers to only one BA.
https://www.trans-cranial.com/local/manuals/cortical_functions_ref_v1_0_pdf.pdf

On Sun, Sep 18, 2016 at 4:57 AM, Mohammed Jarjees <m.jarjees.1 at research.gla.ac.uk<mailto:m.jarjees.1 at research.gla.ac.uk>> wrote:

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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