[Eeglablist] ERSP of pre-stim data

Cedric Cannard ccannard at protonmail.com
Wed Mar 10 10:29:27 PST 2021


Hi,

You will need epochs containing data before -1000 to be able to compute ERSP on [-1000 0] ms (e.g. [-1500 +500] ms).

See this discussion with Andreas Widman on causal filtering for pre-stimulus analyses: https://sccn.ucsd.edu/pipermail/eeglablist/2021/016161.html


Cedric

‐‐‐‐‐‐‐ Original Message ‐‐‐‐‐‐‐
On Wednesday, March 10, 2021 7:02 AM, Robert Thatcher <rwthatcher2 at yahoo.com> wrote:

> Here is a url to a NIH study on brain network switching in a motor movement task.  Joint-Time-Frequency-Analysis (JTFA) was used to measure dipole dynamics pre vs post movement.  This approach may of interest in your study which seems similar at:
> https://urldefense.com/v3/https://www.appliedneuroscience.com/PDFs/Human_Network_Dynamics.pdf;!!Mih3wA!UnDdWzo6cdPcvTrF02zzW-qunMiR_A8oUFj0173GfCPgkkDgfRFp870E3MXNGMdn4dbYvg$
>
> Robert Thatcher, Ph.D.
>
> On Tuesday, March 9, 2021, 12:13:59 PM EST, anoop jagadeesh anoop2187 at gmail.com wrote:
>
> Dear List,
>
> I was hoping someone could tell if it is possible to run ERSP analysis on
> only the pre-stimulus baseline data. I have ERP data which has been epcohed
> from -1000ms to 2000ms with respect to the trigger. Is it at all possible
> to run the ERP analyses only the pre-stim data (-1000 to 0 ms)??
>
> Any help regarding would be appreciated
>
> Thanks in advance
>
> ---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
>
> Anoop B J
> Junior Research Fellow
> Dept of Audiology,
> All India Institute of Speech and Hearing, Mysuru, India
>
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