[Eeglablist] pop_timtopo function for STUDY

[Makoto Miyakoshi]

Dear Ceyda,

I haven't used EEGLAB STUDY for the past several years so I can't give you
EEGLAB's official recommended way of addressing your issue using the
default GUI operation/functions. If you are serious about 'any advice', I
would use the simplest solution, which is the topoplot() function. All you
need to do is to extract the scalp topo of the selected time frame for the
selected IC cluster (i.e. the mean ERP of the ICs that belong to the
selected IC cluster) then feed them to this function. Maybe this problem is
easier to solve since I can imagine there are more needs to extract ERP of
the selected IC cluster than to use the function you mention.

Makoto

On Fri, Jul 21, 2023 at 7:39 PM Ceyda Sayalı via eeglablist <
eeglablist at sccn.ucsd.edu> wrote:

> Hi everyone,
>
> My question is about creating topography plots across subjects in a study.
> I already created the study and was able to produce topography of a single
> time range. std_erpplot function works fine with STUDY, ALLEEG variables
> for plotting a time period of interest, i.e. [0 20], but I'd like to use
> the pop_timtopo function which allows for displaying multiple time ranges
> of interest for the same event (a TMS pulse to be specific) in the same
> plot. However, pop_timtopo(STUDY, ALLEEG, [-200 500], [20 40 60 80])
> statement does not seem to work and it gives errors either for not finding
> channel locations or 'data' in the STUDY variable (once I edited the
> channels manually). I would appreciate any advice!
>
> Thanks,
>
> Ceyda
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