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Review Articles

The development of auditory temporal processing during the first year of life

ORCID Icon &
Pages 155-165 | Published online: 02 Feb 2022
 

Abstract

Objectives: The processing of auditory temporal information is important for the extraction of voice pitch, linguistic information, as well as the overall temporal structure of speech. However, many aspects of its early development remain poorly understood. This paper reviews the development of auditory temporal processing during the first year of life when infants are acquiring their native language.

Methods: First, potential mechanisms of neural immaturity are discussed in the context of neurophysiological studies. Next, what is known about infant auditory capabilities is considered with a focus on psychophysical studies involving non-speech stimuli to investigate the perception of temporal fine structure and envelope cues. Finally, this review concludes with studies involving speech stimuli, including those that present vocoded signals as a method of degrading the spectro-temporal information available to infant listeners.

Results/Conclusion: This synthesis of past research suggests that infants are able to resolve auditory temporal information in the first postnatal months, but the ability to use and process the temporal information in an efficient way along the entire auditory pathway takes longer to mature. These findings have important implications for the development of language abilities, especially for infants who use cochlear implants.

Disclosure statement

No potential conflict of interest was reported by the authors.

Additional information

Funding

This work was partially supported by NIH grant R00 DC016640 to BKL and by ANR grant ANR-17-CE28-008 to LC.

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