Answer:
the participants would have shown an increased activation of the right hemisphere structures during the task.
Step-by-step explanation:
Based on the information provided within the question it can be said that the most likely result of this experiment is that the the participants would have shown an increased activation of the right hemisphere structures during the task. This is because the right hemisphere of the brain deals with creative and artistic process. Which mental rotation can be classified as both since it focuses on mentally imagining what an object would look like if it is rotated in a certain manner.