Ashley is in the habit of listening to music while studying. she usually puts her headphones on when she's reading through a textbook. in this scenario, ashley is demonstrating

In this scenario, Ashley is demonstrating "divided attention".

Divided attention could be characterized as our mind's capacity to take care of two distinct boosts in the meantime, and react to the different requests of your environment. Divided attention is a sort of concurrent consideration that enables us to process diverse data sources and effectively do various errands at once. This subjective abilities is essential, as it enables us to be more effective in our everyday lives.