为何我们不能同时听两人说话（英文）

Why You Can’t Listen to Two People Speak at Once

If you struggle to keep track of^1 more than one conversation at a dinner party, you’re not alone. Scientists now suspect it is physically impossible to pay attention to more than one person speaking at once.Researchers from the University of Maryland came to this conclusion after scanning^2 28 people’s brains in a “cocktail party3” scenario4 as they listened to two speakers.