The Representation of Voice Onset Time in the Cortical Auditory Evoked Potentials of Young Children

Overview

Journal Clin Neurophysiol

Publisher Elsevier

Specialties Neurology
Psychiatry

Date 2008 Nov 5

PMID 18980862

Citations 6

Authors

Katrina Agung King

Julia Campbell

Anu Sharma

Kathryn Martin

Michael Dorman

Justin Langran

Affiliations

Soon will be listed here.

Abstract

Objective: The aim of this study was to determine whether, in young children, a cortical neurophysiologic representation of the voicing status of a stop consonant could be found in the absence of the N1 component in the cortical auditory evoked potential (CAEP). In adults, a 'double-on' N1 response is often considered a cortical marker of VOT representation.

Methods: Scalp-recorded CAEPs were measured from six electrode sites in 10 children aged 4-8 years in response to a /da/-/ta/ continuum in which voice onset times (VOTs) varied from 0 to 60ms. CAEPs were also recorded from C(z) in a group of eight children aged 2-3 years in response to stimuli with VOTs of 0 and 60ms.

Results: Cortical evoked responses elicited by stimuli with VOT values ranging from 0 to 60ms (i.e., by stimuli perceived as /da/ and /ta/) were similar in morphology. There was no evidence of a 'double-on' morphology for stimuli with long VOTs. However, latency changes in the P1 and N2 components were observed as a function of VOT changes.

Conclusions: Our results demonstrate that a representation of VOT, as recorded by scalp electrodes, exists in the developing cortical evoked response, but that representation is different than that in the adult response. The results describe the developmental changes in cortical representation of VOT in children ages 2-8 years.

Significance: The child's CAEP reflects physiologic processes, which are involved in the cortical encoding of VOT. Overall, cortical representation of VOT in children ages 2-8 is different than in adults.

Citing Articles

Cortical Auditory Event-Related Potentials and Categorical Perception of Voice Onset Time in Children With an Auditory Neuropathy Spectrum Disorder.

McFayden T, Baskin P, Stephens J, He S Front Hum Neurosci. 2020; 14:184.

PMID: 32523521 PMC: 7261872. DOI: 10.3389/fnhum.2020.00184.

The Potential Use of P1 CAEP as a Biomarker for Assessing Central Auditory Pathway Maturation in Hearing loss and Associated Disabilities: a case report.

Pantelemon C, Necula V, Popa L, Palade S, Strilciuc S, Muresanu D J Med Life. 2020; 12(4):457-460.

PMID: 32025267 PMC: 6993302. DOI: 10.25122/jml-2019-0096.

Training in Temporal Information Processing Ameliorates Phonetic Identification.

Szymaszek A, Dacewicz A, Urban P, Szelag E Front Hum Neurosci. 2018; 12:213.

PMID: 29928195 PMC: 5998645. DOI: 10.3389/fnhum.2018.00213.

Effect of Consonant Duration on Formation of Consonant-Vowel Syllable Evoked Auditory Cortical Potentials.

Yarali M, Yagcioglu S J Int Adv Otol. 2017; 14(1):39-43.

PMID: 29092801 PMC: 6354507. DOI: 10.5152/iao.2017.3389.

Changed categorical perception of consonant-vowel syllables induced by transcranial direct current stimulation (tDCS).

Heimrath K, Fischer A, Heinze H, Zaehle T BMC Neurosci. 2016; 17:8.

PMID: 26831504 PMC: 4736484. DOI: 10.1186/s12868-016-0241-3.

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