Objective analysis of early auditory responses elicited by gaps in noise

Khalid Alhussaini; Jorge Bohorquez; Fred Holt; Ozcan Ozdamar

doi:10.1109/SECON.2015.7132953

Objective analysis of early auditory responses elicited by gaps in noise

Khalid Alhussaini, Jorge Bohorquez, Fred Holt, Ozcan Ozdamar

Biomedical Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

3 Scopus citations

Abstract

Behavioral detection of gaps in noise (GIN) is commonly used to evaluate auditory temporal resolution. Late latency responses (LLRs) to such stimuli are studied as electrophysiological measures of temporal resolution. The current study was conducted to investigate the characteristics of auditory brainstem and middle latency responses (ABRs/MLRs) elicited by GIN. Additionally, Quasi Auditory Steady State Responses (QASSRs) were quantified to obtain an Objective Gap Detection Threshold (OGDT). Six young, normal hearing subjects were monaurally stimulated using silent gaps (durations 0ms-12ms) embedded in a white-noise signal. QASSRs were deconvolved using the CLAD (Continuous Loop Averaging Deconvolution) algorithm to obtain an estimate of the transient responses to individual gaps. Derived ABRs/MLRs were consistently characterized by three positive waves and three negative waves that diminished with decreasing gap duration. Early auditory evoked responses (ABR/MLR) to GINs were reliably recorded and computed OGDTs yielded results that are consistent with behavioral tests. This methodology may be applied to objectively diagnose patients with auditory disorders related with temporal resolution deficiencies.

Original language	English (US)
Title of host publication	Conference Proceedings - IEEE SOUTHEASTCON
Publisher	Institute of Electrical and Electronics Engineers Inc.
Volume	2015-June
Edition	June
DOIs	https://doi.org/10.1109/SECON.2015.7132953
State	Published - Jun 24 2015
Event	IEEE SoutheastCon 2015 - Fort Lauderdale, United States Duration: Apr 9 2015 → Apr 12 2015

Other

Other	IEEE SoutheastCon 2015
Country	United States
City	Fort Lauderdale
Period	4/9/15 → 4/12/15

Keywords

Auditory evoked responses
Gap detection threshold
Gap in noise
Objective detection
Temporal resolution

ASJC Scopus subject areas

Computer Networks and Communications
Software
Electrical and Electronic Engineering
Control and Systems Engineering
Signal Processing

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Objective analysis of early auditory responses elicited by gaps in noise. / Alhussaini, Khalid; Bohorquez, Jorge; Holt, Fred; Ozdamar, Ozcan.

Conference Proceedings - IEEE SOUTHEASTCON. Vol. 2015-June June. ed. Institute of Electrical and Electronics Engineers Inc., 2015. 7132953.

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Alhussaini, K, Bohorquez, J, Holt, F & Ozdamar, O 2015, Objective analysis of early auditory responses elicited by gaps in noise. in Conference Proceedings - IEEE SOUTHEASTCON. June edn, vol. 2015-June, 7132953, Institute of Electrical and Electronics Engineers Inc., IEEE SoutheastCon 2015, Fort Lauderdale, United States, 4/9/15. https://doi.org/10.1109/SECON.2015.7132953

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abstract = "Behavioral detection of gaps in noise (GIN) is commonly used to evaluate auditory temporal resolution. Late latency responses (LLRs) to such stimuli are studied as electrophysiological measures of temporal resolution. The current study was conducted to investigate the characteristics of auditory brainstem and middle latency responses (ABRs/MLRs) elicited by GIN. Additionally, Quasi Auditory Steady State Responses (QASSRs) were quantified to obtain an Objective Gap Detection Threshold (OGDT). Six young, normal hearing subjects were monaurally stimulated using silent gaps (durations 0ms-12ms) embedded in a white-noise signal. QASSRs were deconvolved using the CLAD (Continuous Loop Averaging Deconvolution) algorithm to obtain an estimate of the transient responses to individual gaps. Derived ABRs/MLRs were consistently characterized by three positive waves and three negative waves that diminished with decreasing gap duration. Early auditory evoked responses (ABR/MLR) to GINs were reliably recorded and computed OGDTs yielded results that are consistent with behavioral tests. This methodology may be applied to objectively diagnose patients with auditory disorders related with temporal resolution deficiencies.",

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AB - Behavioral detection of gaps in noise (GIN) is commonly used to evaluate auditory temporal resolution. Late latency responses (LLRs) to such stimuli are studied as electrophysiological measures of temporal resolution. The current study was conducted to investigate the characteristics of auditory brainstem and middle latency responses (ABRs/MLRs) elicited by GIN. Additionally, Quasi Auditory Steady State Responses (QASSRs) were quantified to obtain an Objective Gap Detection Threshold (OGDT). Six young, normal hearing subjects were monaurally stimulated using silent gaps (durations 0ms-12ms) embedded in a white-noise signal. QASSRs were deconvolved using the CLAD (Continuous Loop Averaging Deconvolution) algorithm to obtain an estimate of the transient responses to individual gaps. Derived ABRs/MLRs were consistently characterized by three positive waves and three negative waves that diminished with decreasing gap duration. Early auditory evoked responses (ABR/MLR) to GINs were reliably recorded and computed OGDTs yielded results that are consistent with behavioral tests. This methodology may be applied to objectively diagnose patients with auditory disorders related with temporal resolution deficiencies.

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Objective analysis of early auditory responses elicited by gaps in noise

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