[Eeglablist] Setting the significance level for the ERSPs. How it works?

Tarik S Bel-Bahar tarikbelbahar at gmail.com
Mon Nov 6 13:03:04 PST 2017

Hello Nabi,

1. I'm not 100% sure, but the significance levels are probably significant
compared to the baseline you have set. If you have no baseline set, they
are probably set to the whole time period. You probably want to play around
setting the baseline to different settings, in order to get a better feel
for how the ersp baselining and significance works. If you have not had a
chance to yet, beginning users can really benefit from working first with
the eeglab tutorial data, and again playing around with the settings in the
ersp function gui.

2. If you have not had a chance to yet, you want to look thoroughly through
the documentation for the ERSP function (type help or doc and
Name-of-function in matlab command window, or click the Help button in the
ersp function window).

3. When you have a solution, please share it with the list as a followup
post, so that other list users can benefit from your experiences.

On Fri, Nov 3, 2017 at 7:21 AM, Nabi Rustamov <nabi.rustamov at yahoo.com>

> Hello
> Can you please let me know how setting the significance level for the
> ERSPs works?
> I am plotting an ERSP with actual values using 'baseline' NaN function and
> setting the significance level using the function 'alpha',0.001. The
> signals that remain after setting the significance level are significant
> compared to what? I have the same question about ERSP plots with dB.
> Thanks,
> Nabi
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