Title :
An uncoupled oscillator model for evoked potential dynamical modelling
Author :
Reilly, Richard B. ; Ward, Tomas E. ; DePaor, Annraoi M.
Author_Institution :
Dept. of Electron. & Electr. Eng., Univ. Coll. Dublin, Ireland
fDate :
31 Oct-3 Nov 1996
Abstract :
A mathematical model for evoked potentials is outlined. The model has been developed by considering phase synchronisation of the underlying neurological processes. The model, consisting of an ensemble of uncoupled linear oscillators with a gaussian distribution of frequencies is shown to reproduce the typical response of P100 visual evoked response. The model structure is parallel in form and is considered to be physiologically realistic. It is also shown that the calculated behaviour of the ensemble can be generated by a 2nd order linear differential equation with time varying coefficients, thus highlighting the fact that entirely different physical structures can generate identical responses
Keywords :
Gaussian distribution; linear differential equations; oscillators; physiological models; visual evoked potentials; 2nd order linear differential equation; EEG data analysis; P100 visual evoked response; evoked potential dynamical modelling; gaussian distribution; mathematical model; model structure; phase synchronisation; physical structures; time varying coefficients; uncoupled oscillator model; Brain modeling; Differential equations; Electroencephalography; Frequency synchronization; Mathematical model; Oscillators; Phase measurement; Phase noise; Probability density function; Random variables;
Conference_Titel :
Engineering in Medicine and Biology Society, 1996. Bridging Disciplines for Biomedicine. Proceedings of the 18th Annual International Conference of the IEEE
Conference_Location :
Amsterdam
Print_ISBN :
0-7803-3811-1
DOI :
10.1109/IEMBS.1996.647649