[Eeglablist] Three EEGLAB questions
Fred Travis
ftravis at mum.edu
Sat Sep 28 19:38:48 PDT 2013
Thank you Robert.
As you know, there is a growing body of work on synchrony. How can I
calculate that in EEGLAB?
Fred
On 9/27/2013 8:21 PM, robert coben wrote:
> Fred and Arnaud,
>
> Having worked with coherence and more recently sloreta coherence and
> SIFT, I will provide some feedback. Coherence as a measure of
> "connectivity" between pairs is extremely flawed. I would agree with
> Arnaud is recommending SIFT and granger causality. The information is
> much richer and more closely resembles structural connectivity metrics.
>
> Rob
>
>
> On Sep 27, 2013, at 5:38 PM, Fred Travis <ftravis at mum.edu
> <mailto:ftravis at mum.edu>> wrote:
>
>> Hi Arnaud
>>
>> By synchrony I mean in phase EEG. Coherence us a general
>> case-stability of phase relation--and synchrony is a specific
>> case--stability of phase relation and in phase
>>
>> Fred
>> On 9/27/2013 2:54 PM, Arnaud Delorme wrote:
>>> Hi Fred,
>>>
>>> what do you mean by synchrony?
>>> To caclulate some of additional connectivity measures, you might
>>> want to try SIFT, an EEGLAB associated toolbox and plugin. It will
>>> allow you to compute Granger Causality based measures such as
>>> partial directed coherence. It will also allow you to compute many
>>> other measures including the popular directed transfer entropy.
>>>
>>> Hope this helps,
>>>
>>> Arno
>>>
>>>
>>>> 1. synchrony (rather than coherence)
>>>> 2. cross frequency coherence--coherence between frequency bands
>>>> (Palva and Palva)
>>>> 3. cepstrum analysis--frequency analysis of the power spectra
>>>>
>>>> Many thanks
>>>>
>>>> Fred
>>>> --
>>>> Fred Travis, Ph.D.
>>>> Director, Center for Brain, Consciousness and Cognition
>>>> Dean, Graduate School
>>>> Chair, Maharishi Vedic Science Department
>>>> Office: 641 472 1209
>>>> Fax: 641 470 1316
>>>> Skype: fredtravis
>>>> Website:drfredtravis.com <http://drfredtravis.com/>
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>>
>> --
>> Fred Travis, Ph.D.
>> Director, Center for Brain, Consciousness and Cognition
>> Dean, Graduate School
>> Chair, Maharishi Vedic Science Department
>> Office: 641 472 1209
>> Fax: 641 470 1316
>> Skype: fredtravis
>> Website:drfredtravis.com <http://drfredtravis.com>
>> _______________________________________________
>> Eeglablist page: http://sccn.ucsd.edu/eeglab/eeglabmail.html
>> To unsubscribe, send an empty email to
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>
--
Fred Travis, Ph.D.
Director, Center for Brain, Consciousness and Cognition
Dean, Graduate School
Chair, Maharishi Vedic Science Department
Office: 641 472 1209
Fax: 641 470 1316
Skype: fredtravis
Website: drfredtravis.com
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