Answer:
Dissonance
Step-by-step explanation:
Cognitive dissonance is defined as the psychological stress an individual goes through when they have two or more conflicting beliefs, ideas or values. This results in mental discomfort and the individual tries to find a balance between contradictory beliefs.
In this instance Hilar is finding it difficult to read because of the music coming from another room. Her attention is divided between listening to the music and reading her anatomy textbook.