The recording of auditory brainstem response (ABR) at high stimulation rates is of great interest in audiology. It allows a more accurate diagnosis of certain pathologies at an early stage and the study of different mechanisms of adaptation. This paper proposes a methodology, which we will refer to as randomized stimulation and averaging (RSA) that allows the recording of ABR at high stimulation rates using jittered stimuli. The proposed method has been compared with quasi-periodic sequence deconvolution (QSD) and conventional (CONV) stimulation methodologies. Experimental results show that RSA provides a quality in ABR recordings similar to that of QSD and CONV. Compared with CONV, RSA presents the advantage of being able to record ABR at rates higher than 100 Hz. Compared with QSD, the formulation of RSA is simpler and allows more flexibility on the design of the pseudorandom sequence. The feasibility of the RSA methodology is validated by an analysis of the morphology, amplitudes, and latencies of the most important waves in ABR recorded at high stimulation rates from eight normal hearing subjects.
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December 2012
December 06 2012
Recording of auditory brainstem response at high stimulation rates using randomized stimulation and averaging
Joaquin T. Valderrama;
Joaquin T. Valderrama
a)
Department of Signal Theory, Telematics and Communications, CITIC-UGR,
University of Granada
, 18071 Granada, Spain
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Isaac Alvarez;
Isaac Alvarez
Department of Signal Theory, Telematics and Communications, CITIC-UGR,
University of Granada
, 18071 Granada, Spain
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Angel de la Torre;
Angel de la Torre
Department of Signal Theory, Telematics and Communications, CITIC-UGR,
University of Granada
, 18071 Granada, Spain
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Jose Carlos Segura;
Jose Carlos Segura
Department of Signal Theory, Telematics and Communications, CITIC-UGR,
University of Granada
, 18071 Granada, Spain
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Manuel Sainz;
Manuel Sainz
b)
San Cecilio University Hospital
, ENT Service, 18071 Granada, Spain
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Jose Luis Vargas
Jose Luis Vargas
San Cecilio University Hospital
, ENT Service, 18071 Granada, Spain
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a)
Author to whom correspondence should be addressed. Electronic mail: [email protected]
b)
Also at: Department of Surgery and its Specialties, University of Granada, 18071, Granada, Spain.
J. Acoust. Soc. Am. 132, 3856–3865 (2012)
Article history
Received:
April 03 2012
Accepted:
October 11 2012
Citation
Joaquin T. Valderrama, Isaac Alvarez, Angel de la Torre, Jose Carlos Segura, Manuel Sainz, Jose Luis Vargas; Recording of auditory brainstem response at high stimulation rates using randomized stimulation and averaging. J. Acoust. Soc. Am. 1 December 2012; 132 (6): 3856–3865. https://doi.org/10.1121/1.4764511
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