Why Um Helps Auditory Word Recognition: The Temporal Delay Hypothesis
2011

How 'Um' Helps Us Understand Words

Sample size: 35 publication Evidence: high

Author Information

Author(s): Martin Corley, Robert J. Hartsuiker

Primary Institution: University of Edinburgh

Hypothesis

Does the presence of filled pauses like 'um' help with auditory word recognition by delaying the onset of upcoming words?

Conclusion

Delays of any kind, whether filled with 'um', silence, or artificial tones, help improve word recognition.

Supporting Evidence

  • Participants were faster to respond to words that followed a delay, regardless of whether the delay was filled with 'um', silence, or a tone.
  • The study found consistent results across three experiments, indicating that any type of delay aids word recognition.
  • The findings suggest that listeners do not need to interpret fillers as signals to benefit from them.

Takeaway

When people hear a pause before a word, like 'um', it can actually help them understand what comes next better.

Methodology

Three experiments were conducted where participants responded to images based on auditory instructions that included delays before the target words.

Limitations

The study used fixed auditory stimuli which may not reflect natural listening conditions.

Participant Demographics

Participants were students from the University of Edinburgh.

Digital Object Identifier (DOI)

10.1371/journal.pone.0019792

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