From 3e39ed1849a496187a8c4171982ee1bdc3e748da Mon Sep 17 00:00:00 2001 From: Robert Oostenveld Date: Mon, 30 Jan 2023 16:48:29 +0100 Subject: [PATCH] fixed formatting --- template/electrode.md | 6 +++--- tutorial/headmodel_eeg_bem.md | 5 ++--- 2 files changed, 5 insertions(+), 6 deletions(-) diff --git a/template/electrode.md b/template/electrode.md index aa3a8c112..b2fd349a6 100644 --- a/template/electrode.md +++ b/template/electrode.md @@ -30,7 +30,7 @@ You can use the following snippet of code to get a quick overview of the templat You can find the template 3-D electrode sets included in FieldTrip [here](https://github.com/fieldtrip/fieldtrip/tree/master/template/electrode). {% include markup/end %} -### The 10-20, 10-10 and 10-5 system for electrode placement +## The 10-20, 10-10 and 10-5 system for electrode placement The following template electrode sets describe the 10-20 EEG electrodes and were constructed by Robert Oostenveld as part of the study described in _Robert Oostenveld and Peter Praamstra. **The five percent electrode system for high-resolution EEG and ERP measurements.** Clin Neurophysiol. 2001 Apr;112(4):713-9._ More details on the electrode positioning and the different naming schemes can be found in the paper (link to [pubmed](http://www.ncbi.nlm.nih.gov/pubmed/11275545), [sciencedirect](http://www.sciencedirect.com/science/article/pii/S1388245700005277)) and on Robert's [personal blog](http://robertoostenveld.nl/?p=5). @@ -43,7 +43,7 @@ The electrodes are stored in an ASA `.elc` file which can be read with **[ft_rea - standard_prefixed.elc - standard_primed.elc -### The EGI geodesic sensor net +## The EGI geodesic sensor net The following template electrode sets are for the [EGI](http://www.egi.com) geodesic sensor net and were downloaded from the EGI [FTP server](ftp://www.egi.com/). @@ -55,7 +55,7 @@ The following template electrode sets are for the [EGI](http://www.egi.com) geod - GSN-HydroCel-64_1.0.sfp - GSN-HydroCel-65_1.0.sfp -### Easycap electrode arrangements +## Easycap electrode arrangements The following template electrode sets are for the [Easycap](http://www.easycap.de/easycap/e/products/products.htm) electrode arrangements and were downloaded from the Easycap [download page](http://www.easycap.de/easycap/e/downloads/electrode_sites_coordinates.htm). diff --git a/tutorial/headmodel_eeg_bem.md b/tutorial/headmodel_eeg_bem.md index 90bdf654d..66acd0c5c 100644 --- a/tutorial/headmodel_eeg_bem.md +++ b/tutorial/headmodel_eeg_bem.md @@ -375,9 +375,8 @@ The head model is expressed in the same units and coordinates as the anatomical We cannot see what the origin of the coordinate system is aligned to. It is definitely _not_ interauricular, as none of the axes passes (approximately) through the ears. By answering the questions, we can establish that the electrodes are in a RAS coordinate system with the first positive x axis pointing to Right, the second positive y axis to Anterior and the third positive z axis to Superior. {% include markup/success %} - - - +The specific template electrode set that we are using here is in fact coregistered with the MNI coordinate system. It is documented in more detail [here](/template/electrode/) and the corresponding template BEM headmodel is documented [here](/template/headmodel/#standard_bemmat). +{% include markup/end %} #### Manual alignment of the template electrodes