[Eeglablist] Basic paper regarding the interpretation of ERSP/ITC

Makoto Miyakoshi mmiyakoshi at ucsd.edu
Thu Jan 17 18:14:46 PST 2019


Dear Anoop,

ERSP literature is probably much less established than that of conventional
ERP. I can imagine that you are having hard time!

One thing I can say is that ERSP results are heavily task dependent.
Therefore, if you are using a specific task, such as top-down visual
attention task focusing on parietal P300, then search for the ERSP papers
on the same specific task for consistency. At this stage, that is probably
safer.

Also, people often set quite arbitrary time-frequency windows in the
time-frequency plot to make comparisons across conditions. Unless a
conclusion is based on unmistakably clear ERSP differences between
conditions (which is pretty rare), you should not overtrust the previous
results. In other words, if you find your results pretty different from
what has been reported, you don't need to feel so intimidated!

Makoto

On Thu, Jan 17, 2019 at 11:24 AM Daniele Marinazzo <
daniele.marinazzo at gmail.com> wrote:

> Dear Anoop
>
> This paper by Bishop et al. can be helpful
> https://journals.plos.org/plosone/article?id=10.1371/journal.pone.0018993
>
> Even more, this mini-series of blog posts by the same Dorothy Bishop
> offers a convenient explanation, with code, of the difference between ERSP
> and ITC
>
>
> http://bishoptechbits.blogspot.com/2010/07/simplified-introduction-to-time.html
>
> http://bishoptechbits.blogspot.com/2010/07/simplified-introduction-part-2.html
>
> http://bishoptechbits.blogspot.com/2010/07/simplified-introduction-part-3.html
>
> The lectures (and books) by Mike X Cohen are also an excellent resource
>
> http://mikexcohen.com/lectures.html
>
> hope this helps
>
> Daniele
>
> On Thu, Jan 17, 2019 at 2:31 AM anoop jagadeesh <anoop2187 at gmail.com>
> wrote:
>
>> Dear All
>>
>> Could anyone suggest me some "beginner level" papers (preferably without
>> too much math) regarding the interpretation of ERSP/ITC. I now understand
>> the basics of time-frequency analysis. But I am not finding reading
>> materials which help me understand "how to associate the results of ERSP
>> with neurophysiology or brain dynamics".
>>
>> Any papers which give me this information would be helpful. Specific
>> information with respect to auditory functions is highly appreciated
>>
>> Thanks in advance
>>
>> Regards
>>
>> --
>> Anoop B J
>> Junior Research Fellow
>> Dept of Audiology,
>> All India Institute of Speech and Hearing, Mysuru, India
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-- 
Makoto Miyakoshi
Swartz Center for Computational Neuroscience
Institute for Neural Computation, University of California San Diego
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