Final answer:
The cocktail party phenomenon refers to the ability to select and focus on a particular auditory stimulus while filtering out others.
Step-by-step explanation:
This is an example of the cocktail party phenomenon. The cocktail party phenomenon refers to the ability to select and focus on a particular auditory stimulus while filtering out others. In the given scenario, you were paying no attention to the person speaking your name, but your attention was suddenly captured by it. This demonstrates the automaticity of attention and our ability to switch our focus to relevant information.