# Scaling issue while plotting EEG signal

**URL:** <https://mne.discourse.group/t/scaling-issue-while-plotting-eeg-signal/10533>\
**Category:** Support & Discussions\
**Tags:** preprocessing, eeg, visualization\
**Created:** [November 14, 2024, 6:15am UTC](https://mne.discourse.group/t/scaling-issue-while-plotting-eeg-signal/10533 "2024-11-14T06:15:18Z")\
**Posts on this page:** 1\
**Showing post:** 2

<div class="post-metadata">

**Author:** ![cbrnr](https://yyz2.discourse-cdn.com/free1/user_avatar/mne.discourse.group/cbrnr/32/1409_2.png) [@cbrnr](https://mne.discourse.group/u/cbrnr)\
**Post date:** [November 14, 2024, 2:29pm UTC](https://mne.discourse.group/t/scaling-issue-while-plotting-eeg-signal/10533/2 "2024-11-14T14:29:05Z")

</div>

It seems like the data is not stored in V. You can rescale your data after importing by e.g.

```python
raw.apply_function(lambda x: x * 1e-6, channel_wise=False)

```

This rescales from µV to V, but you can adjust the factor to match the actual scaling of your data.

---

_[View the full topic](https://mne.discourse.group/t/scaling-issue-while-plotting-eeg-signal/10533)._