Brie Larson understood her mother after filming 'Room'

Los Angeles: Actress-singer Brie Larson says she learnt a lot about motherhood while filming "Room" and the film made her ask her own mother for "forgiveness".

The 26-year-old, who plays a kidnapped mother who's largely in just one place throughout the movie, says playing a parent in the harrowing role gave her a better understanding of her own mom, reports femalefirst.co.uk.

"The times that I would cry at home (after shooting) was when I would call my mom asking for forgiveness for all that I didn't know as a kid," she said.

"It wasn't the depression of Ma's story, it was how little I knew of the struggle of being a mother. Suddenly I was able to, in some ways, relieve my childhood from my mom's perspective and see all the way she loved me and protected me and all of the ways I never noticed it," she added.