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The developmental trajectory of vocal and event-related potential responses to frequency-altered auditory feedback.

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Title: The developmental trajectory of vocal and event-related potential responses to frequency-altered auditory feedback.
Authors: Scheerer, Nichole E., Liu, Hanjun, Jones, Jeffery A.
Source: European Journal of Neuroscience. Oct2013, Vol. 38 Issue 8, p3189-3200. 12p.
Subjects: Evoked potentials (Electrophysiology), Feedback control systems, Auditory cortex, Motor cortex, Brain physiology, Neurology
Abstract: Speech motor control develops gradually as the acoustics of speech are mapped onto the positions and movements of the articulators. In this event-related potential ( ERP) study, children and adults aged 4-30 years produced vocalizations while exposed to frequency-altered feedback. Vocal pitch variability and the latency of vocal responses were found to differ as a function of age. ERP responses indexed by the P1-N1-P2 complex were also modulated as a function of age. P1 amplitudes decreased with age, whereas N1 and P2 amplitudes increased with age. In addition, a correlation between vocal variability and N1 amplitudes was found, suggesting a complex interaction between behavioural and neurological responses to frequency-altered feedback. These results suggest that the neural systems that integrate auditory feedback during vocal motor control undergo robust changes with age and physiological development. [ABSTRACT FROM AUTHOR]
Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
Database: Psychology and Behavioral Sciences Collection
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  Data: The developmental trajectory of vocal and event-related potential responses to frequency-altered auditory feedback.
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  Data: <searchLink fieldCode="AR" term="%22Scheerer%2C+Nichole+E%2E%22">Scheerer, Nichole E.</searchLink><br /><searchLink fieldCode="AR" term="%22Liu%2C+Hanjun%22">Liu, Hanjun</searchLink><br /><searchLink fieldCode="AR" term="%22Jones%2C+Jeffery+A%2E%22">Jones, Jeffery A.</searchLink>
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  Data: <searchLink fieldCode="JN" term="%22European+Journal+of+Neuroscience%22">European Journal of Neuroscience</searchLink>. Oct2013, Vol. 38 Issue 8, p3189-3200. 12p.
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  Data: <searchLink fieldCode="DE" term="%22Evoked+potentials+%28Electrophysiology%29%22">Evoked potentials (Electrophysiology)</searchLink><br /><searchLink fieldCode="DE" term="%22Feedback+control+systems%22">Feedback control systems</searchLink><br /><searchLink fieldCode="DE" term="%22Auditory+cortex%22">Auditory cortex</searchLink><br /><searchLink fieldCode="DE" term="%22Motor+cortex%22">Motor cortex</searchLink><br /><searchLink fieldCode="DE" term="%22Brain+physiology%22">Brain physiology</searchLink><br /><searchLink fieldCode="DE" term="%22Neurology%22">Neurology</searchLink>
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  Label: Abstract
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  Data: Speech motor control develops gradually as the acoustics of speech are mapped onto the positions and movements of the articulators. In this event-related potential ( ERP) study, children and adults aged 4-30 years produced vocalizations while exposed to frequency-altered feedback. Vocal pitch variability and the latency of vocal responses were found to differ as a function of age. ERP responses indexed by the P1-N1-P2 complex were also modulated as a function of age. P1 amplitudes decreased with age, whereas N1 and P2 amplitudes increased with age. In addition, a correlation between vocal variability and N1 amplitudes was found, suggesting a complex interaction between behavioural and neurological responses to frequency-altered feedback. These results suggest that the neural systems that integrate auditory feedback during vocal motor control undergo robust changes with age and physiological development. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of European Journal of Neuroscience is the property of Wiley-Blackwell and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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      – SubjectFull: Auditory cortex
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              Text: Oct2013
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