Stimulus and recording variables and their effects on mammalian vestibular evoked potentials

Sherri M. Jones, Geetha Subramanian, Wilma Avniel, Yuqing Guo, Robert F. Burkard, Timothy A. Jones

Research output: Contribution to journalArticle

29 Citations (Scopus)

Abstract

Linear vestibular evoked potentials (VsEPs) measure the collective neural activity of the gravity receptor organs in the inner ear that respond to linear acceleration transients. The present study examined the effects of electrode placement, analog filtering, stimulus polarity and stimulus rate on linear VsEP thresholds, latencies and amplitudes recorded from mice. Two electrode-recording montages were evaluated, rostral (forebrain) to 'mastoid' and caudal (cerebellum) to 'mastoid'. VsEP thresholds and peak latencies were identical between the two recording sites; however, peak amplitudes were larger for the caudal recording montage. VsEPs were also affected by filtering. Results suggest optimum high pass filter cutoff at 100-300 Hz, and low pass filter cutoff at 10000 Hz. To evaluate stimulus rate, linear jerk pulses were presented at 9.2, 16, 25, 40 and 80 Hz. At 80 Hz, mean latencies were longer (0.350-0.450 ms) and mean amplitudes reduced (0.8-1.8 μV) for all response peaks. In 50% of animals, late peaks (P3, N3) disappeared at 80 Hz. The results offer options for VsEP recording protocols.

Original languageEnglish (US)
Pages (from-to)23-31
Number of pages9
JournalJournal of Neuroscience Methods
Volume118
Issue number1
DOIs
StatePublished - Jul 30 2002

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Evoked Potentials
Mastoid
Electrodes
Gravitation
Inner Ear
Prosencephalon
Cerebellum

Keywords

  • Evoked potential recording technique
  • Gravity receptor function
  • Saccule
  • Utricle
  • Vestibular compound action potential

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Stimulus and recording variables and their effects on mammalian vestibular evoked potentials. / Jones, Sherri M.; Subramanian, Geetha; Avniel, Wilma; Guo, Yuqing; Burkard, Robert F.; Jones, Timothy A.

In: Journal of Neuroscience Methods, Vol. 118, No. 1, 30.07.2002, p. 23-31.

Research output: Contribution to journalArticle

Jones, Sherri M. ; Subramanian, Geetha ; Avniel, Wilma ; Guo, Yuqing ; Burkard, Robert F. ; Jones, Timothy A. / Stimulus and recording variables and their effects on mammalian vestibular evoked potentials. In: Journal of Neuroscience Methods. 2002 ; Vol. 118, No. 1. pp. 23-31.
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