Temporal encoding in auditory evoked neuromagnetic fields: Stochastic resonance

Steven M. Stufflebeam, David Poeppel, T. P L Roberts

Research output: Contribution to journalArticle

Abstract

Recent investigations have demonstrated that temporal patterns of sensory neural activity detected by magnetoencephalography (MEG) reflect features of the stimulus. In this study, neuromagnetic activity was investigated using an event detection algorithm based on the correlation coefficient. The results of the technique are compared with widely used methods of analysis in two experimental conditions and are shown to identify features in the single-trial MEG response that are not apparent in the response obtained by averaging across repeated trials. As an example of the technique, the physiologic jitter in latency associated with the M100 of auditory evoked fields was reproducibly measured. Specifically, higher intensity sounds were associated with an increased reliability. The technique was also applied to the noise-enhanced evoked auditory response, producing an objective demonstration of a cortical manifestation of the phenomenon of stochastic resonance-the paradoxical enhancement in the measurement of the signal-to-noise ratio (SNR) induced by optimal addition of noise to system input.

Original languageEnglish (US)
Pages (from-to)4081-4085
Number of pages5
JournalNeuroReport
Volume11
Issue number18
StatePublished - 2000

Fingerprint

Magnetoencephalography
Noise
Auditory Evoked Potentials
Signal-To-Noise Ratio

Keywords

  • Auditory evoked field
  • Correlation
  • M100
  • Magnetoencephalography
  • N1
  • N1m
  • Single trial analysis
  • Stochastic resonance

ASJC Scopus subject areas

  • Neuroscience(all)

Cite this

Stufflebeam, S. M., Poeppel, D., & Roberts, T. P. L. (2000). Temporal encoding in auditory evoked neuromagnetic fields: Stochastic resonance. NeuroReport, 11(18), 4081-4085.

Temporal encoding in auditory evoked neuromagnetic fields : Stochastic resonance. / Stufflebeam, Steven M.; Poeppel, David; Roberts, T. P L.

In: NeuroReport, Vol. 11, No. 18, 2000, p. 4081-4085.

Research output: Contribution to journalArticle

Stufflebeam, SM, Poeppel, D & Roberts, TPL 2000, 'Temporal encoding in auditory evoked neuromagnetic fields: Stochastic resonance', NeuroReport, vol. 11, no. 18, pp. 4081-4085.
Stufflebeam, Steven M. ; Poeppel, David ; Roberts, T. P L. / Temporal encoding in auditory evoked neuromagnetic fields : Stochastic resonance. In: NeuroReport. 2000 ; Vol. 11, No. 18. pp. 4081-4085.
@article{dcd5eaa6baee475aa48776a72a7fc8df,
title = "Temporal encoding in auditory evoked neuromagnetic fields: Stochastic resonance",
abstract = "Recent investigations have demonstrated that temporal patterns of sensory neural activity detected by magnetoencephalography (MEG) reflect features of the stimulus. In this study, neuromagnetic activity was investigated using an event detection algorithm based on the correlation coefficient. The results of the technique are compared with widely used methods of analysis in two experimental conditions and are shown to identify features in the single-trial MEG response that are not apparent in the response obtained by averaging across repeated trials. As an example of the technique, the physiologic jitter in latency associated with the M100 of auditory evoked fields was reproducibly measured. Specifically, higher intensity sounds were associated with an increased reliability. The technique was also applied to the noise-enhanced evoked auditory response, producing an objective demonstration of a cortical manifestation of the phenomenon of stochastic resonance-the paradoxical enhancement in the measurement of the signal-to-noise ratio (SNR) induced by optimal addition of noise to system input.",
keywords = "Auditory evoked field, Correlation, M100, Magnetoencephalography, N1, N1m, Single trial analysis, Stochastic resonance",
author = "Stufflebeam, {Steven M.} and David Poeppel and Roberts, {T. P L}",
year = "2000",
language = "English (US)",
volume = "11",
pages = "4081--4085",
journal = "NeuroReport",
issn = "0959-4965",
publisher = "Lippincott Williams and Wilkins",
number = "18",

}

TY - JOUR

T1 - Temporal encoding in auditory evoked neuromagnetic fields

T2 - Stochastic resonance

AU - Stufflebeam, Steven M.

AU - Poeppel, David

AU - Roberts, T. P L

PY - 2000

Y1 - 2000

N2 - Recent investigations have demonstrated that temporal patterns of sensory neural activity detected by magnetoencephalography (MEG) reflect features of the stimulus. In this study, neuromagnetic activity was investigated using an event detection algorithm based on the correlation coefficient. The results of the technique are compared with widely used methods of analysis in two experimental conditions and are shown to identify features in the single-trial MEG response that are not apparent in the response obtained by averaging across repeated trials. As an example of the technique, the physiologic jitter in latency associated with the M100 of auditory evoked fields was reproducibly measured. Specifically, higher intensity sounds were associated with an increased reliability. The technique was also applied to the noise-enhanced evoked auditory response, producing an objective demonstration of a cortical manifestation of the phenomenon of stochastic resonance-the paradoxical enhancement in the measurement of the signal-to-noise ratio (SNR) induced by optimal addition of noise to system input.

AB - Recent investigations have demonstrated that temporal patterns of sensory neural activity detected by magnetoencephalography (MEG) reflect features of the stimulus. In this study, neuromagnetic activity was investigated using an event detection algorithm based on the correlation coefficient. The results of the technique are compared with widely used methods of analysis in two experimental conditions and are shown to identify features in the single-trial MEG response that are not apparent in the response obtained by averaging across repeated trials. As an example of the technique, the physiologic jitter in latency associated with the M100 of auditory evoked fields was reproducibly measured. Specifically, higher intensity sounds were associated with an increased reliability. The technique was also applied to the noise-enhanced evoked auditory response, producing an objective demonstration of a cortical manifestation of the phenomenon of stochastic resonance-the paradoxical enhancement in the measurement of the signal-to-noise ratio (SNR) induced by optimal addition of noise to system input.

KW - Auditory evoked field

KW - Correlation

KW - M100

KW - Magnetoencephalography

KW - N1

KW - N1m

KW - Single trial analysis

KW - Stochastic resonance

UR - http://www.scopus.com/inward/record.url?scp=0034526362&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=0034526362&partnerID=8YFLogxK

M3 - Article

C2 - 11192632

AN - SCOPUS:0034526362

VL - 11

SP - 4081

EP - 4085

JO - NeuroReport

JF - NeuroReport

SN - 0959-4965

IS - 18

ER -