The unit of sLORETA time series

[tmedani]

Hi @emokh1986

The sLoreta is unitless. Therefore, the scout time serie is unitless as well.

Please check these previous posts:

Dipole strength units for dSPM and sLORETA

Hi Julie: The dSPM and sLORETA values are statistical scores akin to z-scores and F-scores; therefore they are unit-less and can be interpreted at deviation from “standard fluctuations” as defined from noise or baseline variance stats for instance. If you want to compare two such measures in two different conditions or subject groups, I suggest you run statistical tests between samples (e.g., a t-test). You can still appreciate empirically a difference between two measures is the baseline used …

Query about sLORETA data analysis in MEG

Units in sLORETA Averages: None, this is not expected, and there is not a missing step. It was a visualization issue, the average is also unitless. This is corrected in commit df41794 Update your Brainstorm instance to have the fix. Projection on Default Anatomy: No, sources obtained for warped anatomies should not be projected. Check this link for more details: https://neuroimage.usc.edu/brainstorm/Tutorials/CoregisterSubjects#Warped_brains