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Related Concept Videos

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Measures of variability are statistical metrics that reveal the dispersion pattern within a dataset. They are pivotal in biostatistics, providing insights into the heterogeneity within health and biological data. Variability signifies the degree to which data points diverge from one another, helping researchers understand the potential range of values and associated uncertainty within the data.
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The barriers to effective communication also include cultural barriers, semantic barriers, gender barriers, and time constraints.
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Author Spotlight: Investigating the Impact of Emotional Prosodies on Voice Recognition and Perception
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Why are listeners hindered by talker variability?

Sahil Luthra1

  • 1Department of Psychology, Carnegie Mellon University, 5000 Forbes Ave, Pittsburgh, PA, 15213, USA. sahilluthra@cmu.edu.

Psychonomic Bulletin & Review
|August 14, 2023
PubMed
Summary
This summary is machine-generated.

Listeners are slower to process speech with varied talkers. This review explores if processing costs stem from talker accommodation or disrupted auditory attention, suggesting both may play a role.

Keywords:
AttentionAuditory streamingNormalizationSpeech perceptionTalker variability

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Area of Science:

  • Cognitive Science
  • Auditory Perception
  • Speech Processing

Background:

  • Listeners readily recognize speech despite talker variability.
  • However, processing speech with different talkers is slower than with a constant talker.
  • This processing penalty is a key area of research in speech perception.

Purpose of the Study:

  • To review two theoretical mechanisms for multitalker processing costs: contextual tuning and auditory streaming.
  • To examine evidence suggesting both mechanisms may contribute to processing penalties.
  • To highlight the need for integrated theories of speech perception.

Main Methods:

  • Literature review of studies on talker accommodation and auditory streaming.
  • Analysis of research investigating multitalker processing costs.
  • Synthesis of findings on the interplay between attention and speech processing.

Main Results:

  • Multitalker processing costs may arise from resource-demanding talker accommodation (contextual tuning).
  • Alternatively, talker changes can disrupt auditory attention, causing processing penalties.
  • Emerging data suggest both mechanisms operate on different timescales.

Conclusions:

  • Processing costs in multitalker environments may involve both talker accommodation and auditory attention disruption.
  • Further research is needed to integrate these mechanisms into comprehensive speech perception theories.
  • Understanding these processes is crucial for advancing speech processing models.