THE COCKTAIL PARTY EFFECT
The Cocktail Party Effect is associated with attention mechanisms and describes the ability to focus your listening attention on a single talker amongst a mixture of background noise, ignoring other conversations. The effect can occur when we are either paying attention to one of the sounds around us, and when it is invoked by a stimulus which grabs our attention suddenly. This can happen, for example, if someone on the other side of a party room calls out your name. You notice that sound and respond to it immediately, whilst still paying some attention to the original group.
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