Related Experiment Video
Updated: Jul 28, 2026
13:51
Cross-Modal Multivariate Pattern Analysis
Published on: November 9, 2011
When acoustic sequences are not perceptual sequences: the global perception of auditory patterns
1Department of Psychology, University of Wisconsin, Milwaukee 53201.
Perception & Psychophysics
|July 1, 1993
Summary
Listeners can distinguish changes in auditory patterns, even when individual sounds are too brief to identify. This suggests a general auditory ability to perceive temporal compounds, not just ordered sequences.
Area of Science:
- Auditory Perception
- Psychoacoustics
- Cognitive Science
Background:
- Previous research showed minimal order changes in speech sounds are detectable, even below identification thresholds.
- The ability to discriminate auditory sequence order was previously thought to be linked to verbal organization.
Purpose of the Study:
- To investigate if auditory sequence discrimination is a general ability beyond speech.
- To determine if brief acoustic elements need to be perceived as discrete sounds for order discrimination.
Main Methods:
- Experiment 1: Replaced speech vowels with brief sinusoidal tones.
- Experiment 2: Replaced speech vowels with brief frozen noise segments.
- Listeners discriminated patterns with altered order of brief auditory components.
Main Results:
- Discrimination of order changes was possible with tones, indicating it's not limited to speech.
- Discrimination was also possible with noise segments, even when not perceived as discrete sounds.
- Brief auditory items form 'temporal compounds' allowing order discrimination.
Conclusions:
- Auditory sequence discrimination is a general ability not restricted to speech.
- Perception of discrete sounds is not required for discriminating arrangements of brief acoustic elements.
- Listeners can differentiate auditory patterns based on temporal compounds, not just sequential segmentation.
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