[Eeglablist] talaraich coordinate question

[Arnaud Delorme]

Dear Julia,

yes there are tools. I think Nima in our lab interfaced from Matlab a tool to indicate which brain region a coordinate in dipplot correspond to. Or maybe it was Alejandro? Both copied just in case.

Best wishes,

Arno

On 30 Nov 2012, at 14:27, Julia Kline wrote:

> Tarik, thanks for the help. Although I must admit I am a little
> confused. You said that:
> 
> The question of which software that is best for determining closest
> BA or region for a specific set of coordinates is different from the
> question of which software or algorithm is best
> for your needs in  determining source estimates to begin with.
> 
> In that case, can I pose both questions to the list? I would like to
> localize my independent components to their nearest brodmann areas.
> What software do you feel is best to determine source estimates and
> also what software do you feel is best for determining BA or region of
> interest from a specific set of talairach coordinates returned by
> eeglab?
> 
> Thanks!
> 
> -Julia
> 
> 
> 
> 
> 
> On Thu, Nov 29, 2012 at 3:32 PM, Tarik S Bel-Bahar
> <tarikbelbahar at gmail.com> wrote:
>> Hi Julia,
>> 
>> I use the Tailarch client too to get a rough idea
>> of nearest BAs for a particular "estimated" dipole.
>> 
>> The dipfit estimations of dipoles that account for particular ICs
>> "in or near" a particular brain area or region should be taken with some
>> caution.
>> There are issues with not easily constraining results to cortex,
>> and with interpreting/coordinating results with other source estimation
>> techniques or software.
>> 
>> Last, the question of which software is best for determining closest
>> BA or region for a specific set of coordinates...
>> 
>> is different from the question of what software or algorithm is best
>> for your needs in  determining source estimates to begin with.
>> 
>> 
>> Respectfully,
>> Tarik
>> 
>> 
>> 
>> On Wed, Nov 28, 2012 at 12:28 PM, Julia Kline <jekline at umich.edu> wrote:
>>> 
>>> Hi all. I had a question regarding working with the talaraich
>>> coordinate output of pop_dipfit.
>>> It is my understanding that pop_dipfit returns the talaraich
>>> coordinates of the equivalent current dipoles and plots them inside a
>>> standard MNI brain.
>>> Our lab has been using talaraich client to find the equivalent
>>> brodmann areas for these coordinates.
>>> 
>>> In your experience, is this the best software for identifying brodmann
>>> areas? I had heard that there were other better methods and I wanted
>>> to ask what you have found to be the most method of identifying
>>> brodmann areas. Thanks.
>>> 
>>> -Julia
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