# color scale units **URL:** \ **Category:** Mailing List Archive (read-only)\ **Tags:** list-archive\ **Created:** [January 7, 2020, 3:27pm UTC](https://mne.discourse.group/t/color-scale-units/2038 "2020-01-07T15:27:13Z")\ **Posts on this page:** 3\ **Page:** 1
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [January 7, 2020, 3:27pm UTC](https://mne.discourse.group/t/color-scale-units/2038/1 "2020-01-07T15:27:13Z")
External Email - Use Caution when we plot source estimates (for the dSPM method), what are the units on a color scale, which represents the strength of our signal? Thank you! -------------- next part -------------- An HTML attachment was scrubbed... URL: [http://mail.nmr.mgh.harvard.edu/pipermail/mne\_analysis/attachments/20200107/804f0365/attachment.html](http://mail.nmr.mgh.harvard.edu/pipermail/mne_analysis/attachments/20200107/804f0365/attachment.html) ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [January 7, 2020, 6:22pm UTC](https://mne.discourse.group/t/color-scale-units/2038/2 "2020-01-07T18:22:35Z")
External Email - Use Caution The dSPM being a statistical map does not have any units. Mainak ---
**Author:** ![system](https://global.discourse-cdn.com/free1/uploads/mne/original/1X/85cc6bd2b69cb698a166dc6d880fb550510d0144.jpeg) [@system](https://mne.discourse.group/u/system)\ **Post date:** [January 8, 2020, 3:36pm UTC](https://mne.discourse.group/t/color-scale-units/2038/3 "2020-01-08T15:36:46Z")
External Email - Use Caution Hey Irina, The dSPM sources are related to an F statistic by a square root, see: [https://mne.tools/dev/overview/implementation.html#noise-normalization](https://mne.tools/dev/overview/implementation.html#noise-normalization) Eric