On the generalization of tones: A detailed exploration of non-speech auditory perception stimuli

Author:

Schutz MichaelORCID,Gillard Jessica

Abstract

AbstractThe dynamic changes in natural sounds’ temporal structures convey important event-relevant information. However, prominent researchers have previously expressed concern that non-speech auditory perception research disproportionately uses simplistic stimuli lacking the temporal variation found in natural sounds. A growing body of work now demonstrates that some conclusions and models derived from experiments using simplistic tones fail to generalize, raising important questions about the types of stimuli used to assess the auditory system. To explore the issue empirically, we conducted a novel, large-scale survey of non-speech auditory perception research from four prominent journals. A detailed analysis of 1017 experiments from 443 articles reveals that 89% of stimuli employ amplitude envelopes lacking the dynamic variations characteristic of non-speech sounds heard outside the laboratory. Given differences in task outcomes and even the underlying perceptual strategies evoked by dynamic vs. invariant amplitude envelopes, this raises important questions of broad relevance to psychologists and neuroscientists alike. This lack of exploration of a property increasingly recognized as playing a crucial role in perception suggests future research using stimuli with time-varying amplitude envelopes holds significant potential for furthering our understanding of the auditory system’s basic processing capabilities.

Funder

Gouvernement du Canada | Natural Sciences and Engineering Research Council of Canada

Canadian Foundation for Innovation-Leader’s Opportunity Fund (CFI-LOF 30101) Early Researcher Award

Publisher

Springer Science and Business Media LLC

Subject

Multidisciplinary

Reference137 articles.

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