Boxing: Judges’ Scorecards

[Jackknifed_Juggernaut]

Are boxing judges allowed to change the score of a previous round? When I watch boxing, I keep my own score in my mind. However, sometimes after watching a few rounds, I get a better understanding about the styles of the boxers and other things that make me change my mind about a previous round, usually the very early rounds. I’ve always wondered if actual judges are allowed to do this.