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Related Experiment Video

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Foreign Accent and Forensic Speaker Identification in Voice Lineups: The Influence of Acoustic Features Based on Prosody

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Published on: September 27, 2024

Order in the Statistical Learning of Phonotactics.

Peter T Richtsmeier¹

¹Communication Sciences and Disorders, Oklahoma State University, 042 Social Sciences and Humanities Building, Stillwater, OK, 74078, USA. prichtsmeier@yahoo.com.

Journal of Psycholinguistic Research

|December 14, 2024

Summary

This study investigated how the order of sounds affects statistical learning in adults. Results showed that sound order did not impact the learning of sound frequencies in this established statistical learning paradigm.

Keywords:

Mixed-effects modeling Order effects Phonotactics Statistical learning Working memory

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Area of Science:

Cognitive Psychology
Psycholinguistics
Statistical Learning

Background:

Statistical learning research posits that learners acquire knowledge of co-occurring sound frequencies and phonotactic sequences.
The temporal arrangement (order) of elements is fundamental to frequency and phonotactics, yet its influence on statistical learning remains unclear.

Purpose of the Study:

To investigate the effect of sound sequence order on statistical learning in adult participants.
To determine if the temporal arrangement of consonant sequences modulates the learning of their relative frequencies.

Main Methods:

Adult participants were exposed to nonwords containing specific consonant sequences.
Familiarization and test stimuli were independently ordered and randomized to broadly assess order effects.
Participants learned the relative frequencies of eight consonant sequences across five different ordering conditions.

Main Results:

Participants demonstrated equivalent learning of target frequencies across all five sound ordering conditions.
No significant modulating effect of sound sequence order on statistical learning was observed.

Conclusions:

The findings suggest that the order of sounds does not influence the learning of their frequencies within this statistical learning paradigm.
This study provides an initial step towards integrating statistical learning research with existing knowledge on the role of order in memory and cognition.