[Eeglablist] Precompute channels freezing

Malte Anders malteanders at gmail.com
Wed Aug 4 22:19:11 PDT 2021

Hi Paul,

have you revently updated your EEGLAB version? Have the EEGLAB datasets
been created with an old EEGLAB version and are now being processed in a
new EEGLAB version with the study function?

I had the same issue with datasets that had been created in EEGLAB 2020.
When I tried to use the study function of 2021 with them, the exact same
thing as you described happened.

What helped was to open every dataset that had been created in 2020 (2
files, .set and .fdt) in EEGLAB 2021 and then re-save it as a single .set
file (check preferences) via script. After that, no more problems.

Best wishes!

Beach, Paul via eeglablist <eeglablist at sccn.ucsd.edu> schrieb am Do., 5.
Aug. 2021, 04:12:

> All,
> I’m trying to re-precompute channels measures for ERP data for a new STUDY
> secondary to adding new subjects and all of a sudden things are freezing up
> after clicking ‘ok.’ Previously I would see all the output processes on the
> Matlab command window, so I can only assume nothing is completing since
> nothing shows up on screen. I have to ctrl+c many times to interrupt
> whatever loop is running. I tried letting it run about 20 min (way longer
> than ever needed before for only 32 subjects) but nothing changed.
> Using MATLAB R2019a, eeglab2021.0
> Any thoughts to fix?
> --
> Paul Beach DO, PhD
> PGY6, Movement Disorder Fellow
> Department of Neurology
> Emory University School of Medicine
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