Estimation of the impulse response of the visual system using stochastic modulation of stimulus spatial frequency

Edmund C. Lalor; Joshua N. Lucan; John J. Foxe

doi:10.1109/NER.2009.5109366

Estimation of the impulse response of the visual system using stochastic modulation of stimulus spatial frequency

Edmund C. Lalor, Joshua N. Lucan, John J. Foxe

Pediatrics

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

1 Scopus citations

Abstract

Visual evoked responses known as VESPAs, which are typically evoked from the electroencephalogram (EEG) using continuous, stochastic modulation of the luminance or contrast of a stimulus, have been shown to have a number of advantages over traditional visual evoked potential (VEP) methods. In this study, we investigate the possibility that such VESPAs can be evoked using modulation of other characteristics of a visual stimulus. Specifically, we obtain clean, consistent responses with high signal-to-noise ratio in response to stimuli whose spatial frequencies are stochastically and continuously modulated. These responses should have applicability to basic research on the human visual system and, possibly, in studies of clinical populations.

Original language	English (US)
Title of host publication	2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09
Pages	593-596
Number of pages	4
DOIs	https://doi.org/10.1109/NER.2009.5109366
State	Published - Oct 27 2009
Event	2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09 - Antalya, Turkey Duration: Apr 29 2009 → May 2 2009

Publication series

Name	2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09

Other

Other	2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09
Country	Turkey
City	Antalya
Period	4/29/09 → 5/2/09

ASJC Scopus subject areas

Biomedical Engineering
Clinical Neurology
Neuroscience(all)

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Lalor, E. C., Lucan, J. N., & Foxe, J. J. (2009). Estimation of the impulse response of the visual system using stochastic modulation of stimulus spatial frequency. In 2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09 (pp. 593-596). [5109366] (2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09). https://doi.org/10.1109/NER.2009.5109366

Estimation of the impulse response of the visual system using stochastic modulation of stimulus spatial frequency. / Lalor, Edmund C.; Lucan, Joshua N.; Foxe, John J.

2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09. 2009. p. 593-596 5109366 (2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Lalor, EC, Lucan, JN & Foxe, JJ 2009, Estimation of the impulse response of the visual system using stochastic modulation of stimulus spatial frequency. in 2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09., 5109366, 2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09, pp. 593-596, 2009 4th International IEEE/EMBS Conference on Neural Engineering, NER '09, Antalya, Turkey, 4/29/09. https://doi.org/10.1109/NER.2009.5109366

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Estimation of the impulse response of the visual system using stochastic modulation of stimulus spatial frequency

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