Three-channel lissajous' trajectory of human auditory brain-stem evoked potentials. III. Effects of click rate

H. Pratt, N. Bleich, William Martin

Research output: Contribution to journalArticle

15 Citations (Scopus)

Abstract

Three-channel Lissajous' trajectories (3-LCT) of the human auditory brain-stem evoked potentials (ABEPs) were recorded from 14 adult subjects using click rates of 10, 55 and 80/sec. The 3-CLTs were analysed and described in terms of their constituent planar segments and their trajectory amplitudes at each stimulus rate. Increasing stimulus rate resulted in an increase of planar segment duration which was more pronounced for segments 'a' and 'e', an increase in apex latency which was more pronounced the later the component and a decrease in planar segment size and peak trajectory amplitude which was more pronounced the earlier the component. These findings support the involvement of synaptic efficacy changes in the effects of stimulus rate on ABEP. The results are explained by overlapping convergence and divergence in the ascending auditory pathway. These results support the notion that the principal generator of each component is activated by the principal generator of the previous component, with some temporal overlap of their activities. Such temporal overlap may be minimized by using low intensity high rate stimuli.

Original languageEnglish (US)
Pages (from-to)438-444
Number of pages7
JournalElectroencephalography and Clinical Neurophysiology
Volume63
Issue number5
DOIs
StatePublished - 1986
Externally publishedYes

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Brain Stem Auditory Evoked Potentials
Auditory Pathways

Keywords

  • 3-CLT
  • ABEP
  • click rate

ASJC Scopus subject areas

  • Clinical Neurology
  • Neuroscience(all)

Cite this

Three-channel lissajous' trajectory of human auditory brain-stem evoked potentials. III. Effects of click rate. / Pratt, H.; Bleich, N.; Martin, William.

In: Electroencephalography and Clinical Neurophysiology, Vol. 63, No. 5, 1986, p. 438-444.

Research output: Contribution to journalArticle

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