Cognitive psychologyLesson 3 of 3 in the course Attention

Cocktail Party Effect: Auditory Attention, Selection Models, and Applications

5 flashcards · 4 quiz questions · 5 match pairs · 4 fill-in sentences · English

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Summary

The cocktail party effect describes how people focus on one sound, such as a conversation, while filtering out other sounds around them. This lesson introduces the phenomenon and explains how hearing with two ears can help listeners separate sounds.

At a crowded gathering, many voices reach the ears at once. Most people can follow one conversation while other conversations recede from conscious awareness. This ability to prioritize one auditory stimulus is called selective attention, sometimes also called selective hearing.

All flashcards

What is a shadowing task?
A task in which a listener repeats aloud the message from a specified attended channel.
What does Broadbent's filter model propose?
A filter selects information using physical features before extensive processing of meaning.
What is Treisman's attenuation model?
A model in which unattended information is weakened rather than completely blocked.
What factors influence attention allocation in Kahneman's capacity model?
Available capacity, arousal, enduring dispositions, momentary intentions, and task demands.
What does receiver psychology emphasize in animal communication?
How an animal's nervous system and auditory processing shape its interpretation of sound.

Quiz questions

  1. In a dichotic listening task, what do participants typically hear?Answer: Different messages presented at the same time, often one to each ear.
  2. In Broadbent's filter model, what kind of information guides the early selection filter?Answer: Physical features, such as the ear receiving a sound or its loudness.
  3. What change in selective listening is commonly associated with older adulthood?Answer: Greater difficulty focusing on one conversation amid competing sounds.
  4. What can a semantic hearing headset allow a user to do?Answer: Request sound categories to remain audible while other ambient sounds are reduced.

Based on the Wikipedia article Cocktail party effect, licensed CC BY-SA 4.0. Adapted into a summary, flashcards and quizzes.

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