The 3-channel Lissajous' trajectory of the auditory brain-stem response. IV. Effects of electrode position in the cat

William H. Martin; Don L. Jewett; Michael G. Randolph; John S. Williston; John N. Gardi

doi:10.1016/0168-5597(87)90015-3

The 3-channel Lissajous' trajectory of the auditory brain-stem response. IV. Effects of electrode position in the cat

William H. Martin, Don L. Jewett, Michael G. Randolph, John S. Williston, John N. Gardi

Research output: Contribution to journal › Article › peer-review

18 Scopus citations

Abstract

Three-channel Lissajous' trajectories (3-CLTs) of the auditory brain-stem response (ABR) were recorded from anesthetized adult cats with 2 different orthogonal and 3 different non-orthogonal recording configurations. Click stimuli were presented monaurally at 70 dB impulse SPL. Planar analysis identified 12 planar segments regardless of electrode configurations. Boundaries, apex latencies, and durations of the planar segments were relatively unchanged by changes in recording locations, in contrast to changes in single-channel ABR peak latencies and amplitudes. The 3-CLT orientation and shape were maintained in voltage-space despite changes in electrode positions, provided that the recording axes remained orthogonal and a simple cosine correction was applied. Non-orthogonal recording axes resulted in 3-CLTs which differed in shape from 3-CLTs recorded from orthogonal recording axes, but had similar planar-segment boundaries and durations. We conclude that the 3-CLT has characteristics which are generator-dependent and unaffected by electrode position if appropriate spatial corrections are applied.

Original language	English (US)
Pages (from-to)	341-348
Number of pages	8
Journal	Electroencephalography and Clinical Neurophysiology/ Evoked Potentials
Volume	68
Issue number	5
DOIs	https://doi.org/10.1016/0168-5597(87)90015-3
State	Published - Sep 1987
Externally published	Yes

Keywords

(Cat)
3-Channel Lissajous' trajectory
3-Dimensional
Auditory brain-stem response
Mapping
Planar segment

ASJC Scopus subject areas

General Neuroscience
Clinical Neurology

Access to Document

10.1016/0168-5597(87)90015-3

Cite this

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title = "The 3-channel Lissajous' trajectory of the auditory brain-stem response. IV. Effects of electrode position in the cat",

abstract = "Three-channel Lissajous' trajectories (3-CLTs) of the auditory brain-stem response (ABR) were recorded from anesthetized adult cats with 2 different orthogonal and 3 different non-orthogonal recording configurations. Click stimuli were presented monaurally at 70 dB impulse SPL. Planar analysis identified 12 planar segments regardless of electrode configurations. Boundaries, apex latencies, and durations of the planar segments were relatively unchanged by changes in recording locations, in contrast to changes in single-channel ABR peak latencies and amplitudes. The 3-CLT orientation and shape were maintained in voltage-space despite changes in electrode positions, provided that the recording axes remained orthogonal and a simple cosine correction was applied. Non-orthogonal recording axes resulted in 3-CLTs which differed in shape from 3-CLTs recorded from orthogonal recording axes, but had similar planar-segment boundaries and durations. We conclude that the 3-CLT has characteristics which are generator-dependent and unaffected by electrode position if appropriate spatial corrections are applied.",

keywords = "(Cat), 3-Channel Lissajous' trajectory, 3-Dimensional, Auditory brain-stem response, Mapping, Planar segment",

author = "Martin, {William H.} and Jewett, {Don L.} and Randolph, {Michael G.} and Williston, {John S.} and Gardi, {John N.}",

note = "Funding Information: 1 This research was supported by the National Institutes of Health Grant Nos. NS-17255, HD-07991, NS-12352, and NS-22670. 2 Preliminary reports of this study were first presented at the International Electric Response Audiometric Study Group meeting in Ottawa, Canada, July 1983, and at the American Speech, Hearing and Language Association meeting in San Francisco, November 1984. 3 Coleman Laboratory, Department of Otolaryngology, University of California at San Francisco, San Francisco, CA, U.S.A. 4 Department of Orthopaedic Surgery, Special Studies Unit,",

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doi = "10.1016/0168-5597(87)90015-3",

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AU - Martin, William H.

AU - Jewett, Don L.

AU - Randolph, Michael G.

AU - Williston, John S.

AU - Gardi, John N.

N1 - Funding Information: 1 This research was supported by the National Institutes of Health Grant Nos. NS-17255, HD-07991, NS-12352, and NS-22670. 2 Preliminary reports of this study were first presented at the International Electric Response Audiometric Study Group meeting in Ottawa, Canada, July 1983, and at the American Speech, Hearing and Language Association meeting in San Francisco, November 1984. 3 Coleman Laboratory, Department of Otolaryngology, University of California at San Francisco, San Francisco, CA, U.S.A. 4 Department of Orthopaedic Surgery, Special Studies Unit,

PY - 1987/9

Y1 - 1987/9

N2 - Three-channel Lissajous' trajectories (3-CLTs) of the auditory brain-stem response (ABR) were recorded from anesthetized adult cats with 2 different orthogonal and 3 different non-orthogonal recording configurations. Click stimuli were presented monaurally at 70 dB impulse SPL. Planar analysis identified 12 planar segments regardless of electrode configurations. Boundaries, apex latencies, and durations of the planar segments were relatively unchanged by changes in recording locations, in contrast to changes in single-channel ABR peak latencies and amplitudes. The 3-CLT orientation and shape were maintained in voltage-space despite changes in electrode positions, provided that the recording axes remained orthogonal and a simple cosine correction was applied. Non-orthogonal recording axes resulted in 3-CLTs which differed in shape from 3-CLTs recorded from orthogonal recording axes, but had similar planar-segment boundaries and durations. We conclude that the 3-CLT has characteristics which are generator-dependent and unaffected by electrode position if appropriate spatial corrections are applied.

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KW - Auditory brain-stem response

KW - Mapping

KW - Planar segment

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The 3-channel Lissajous' trajectory of the auditory brain-stem response. IV. Effects of electrode position in the cat

Abstract

Keywords

ASJC Scopus subject areas

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