Various actions can trigger notifications to members of Loop. Some of the changes that trigger updates are:

1. Milestones for authors: Milestones and impact of articles you authored
2. Milestones for co-authors: Milestones and impact of articles that one of your co-authors authored
3. Milestones for editors: Milestones and impact of articles you edited
4. Milestones for followers: Milestones and impact of articles that someone you follow authored
5. Milestones for reviewers: Milestones and impact of articles you reviewed

You can find your notification settings on your email preferences page or by using your profile menu and going to Settings and Privacy > Email Preferences.