[FieldTrip] Different results with source reconstruction from July 2018 and onwards

Bushra Riaz Syeda bushra.riaz at gu.se
Thu Dec 9 10:49:40 CET 2021


Could it be the similar problem I was having


Kind regards
Bushra Riaz
From: fieldtrip <fieldtrip-bounces at science.ru.nl> on behalf of Frans Nord via fieldtrip <fieldtrip at science.ru.nl>
Sent: 06 December 2021 16:59
To: fieldtrip at science.ru.nl <fieldtrip at science.ru.nl>
Cc: Frans Nord <fnorden at gmail.com>
Subject: [FieldTrip] Different results with source reconstruction from July 2018 and onwards

Hello all,

I get different results with the same source reconstruction code when using Fieldtrip before 11 July 2018 compared to 12 July 2018. The results I get from before the twelfth seems to be more in line with previous found intracranial results and measurements on sensor level. I'm using eLORETA and the code is basically the same as this: https://osf.io/bgfs5/?view_only=ebb85532e1064d128db79bacb6be27f8

The 'pre' attached file is how the first trial for the first participant look with the version before july 11 and the 'post' is after july 11.

 - Operating System:  Windows 10 and Mac os:x Mojave
 - MATLAB version: R2019a
 - FieldTrip version: fieldtrip-171478a3e1c71f499ad0cf01f661dbb257ff5eb5 and fieldtrip-d1aa34272c61454dbbd9684f836c68b2dd26f337

What was it that justified such a huge change in the model? Can I read about it somewhere? Note that this is not the problem described in https://github.com/fieldtrip/fieldtrip/issues/1020 but appeared in an earlier version.

Best regards
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