Final answer:
The right hemisphere of the brain might be most active during tasks involving visual processing, spatial reasoning, and negative emotions. However, the brain is complex and functions are distributed globally, with the left and right hemispheres interacting to produce behaviors.
Step-by-step explanation:
The right hemisphere of the brain might be most active during a task that involves visual processing, such as recognizing faces or patterns. It is responsible for spatial and nonverbal reasoning, as well as processing negative emotions and pitch perception. However, it is important to note that the brain is complex and many functions are distributed globally. The left and right hemispheres interact to produce various behaviors, and research has shown inconsistent results regarding hemispheric dominance.