SELAVCO: A method to deal with trial-to-trial variability of evoked potentials

Theo Gasser; Joachim Möcks; Rolf Verleger

doi:10.1016/0013-4694(83)90283-3

SELAVCO: A method to deal with trial-to-trial variability of evoked potentials

Theo Gasser^*, Joachim Möcks, Rolf Verleger

^*Corresponding author for this work

Clinic of Neurology

University of Mannheim

57 Citations (Scopus)

Abstract

The possibility and the potential dangers of the inhomogeneity of potentials to repeated stimuli have been recognized for some time. The predominant method of averaging sweeps of brain activity time locked to the stimuli relies on the assumption of an invariant response. In this paper, a method is proposed for dealing more effectively with the variability of single potentials than does averaging. This method operates by weighted averaging and the weights are determined from the data after suitable filtering operations. SELAVCO is validated and compared to the average for real data and in a controlled design close to reality.

Original language	English
Journal	Electroencephalography and Clinical Neurophysiology
Volume	55
Issue number	6
Pages (from-to)	717-723
Number of pages	7
ISSN	0013-4694
DOIs	https://doi.org/10.1016/0013-4694(83)90283-3
Publication status	Published - 01.01.1983

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This output contributes to the following UN Sustainable Development Goals (SDGs)

SDG 3 Good Health and Well-being
SDG 10 Reduced Inequalities

Research Areas and Centers

Academic Focus: Center for Brain, Behavior and Metabolism (CBBM)

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10.1016/0013-4694(83)90283-3

Cite this

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AB - The possibility and the potential dangers of the inhomogeneity of potentials to repeated stimuli have been recognized for some time. The predominant method of averaging sweeps of brain activity time locked to the stimuli relies on the assumption of an invariant response. In this paper, a method is proposed for dealing more effectively with the variability of single potentials than does averaging. This method operates by weighted averaging and the weights are determined from the data after suitable filtering operations. SELAVCO is validated and compared to the average for real data and in a controlled design close to reality.

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SELAVCO: A method to deal with trial-to-trial variability of evoked potentials

Abstract

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