Transmission of stimulus-locked responses in two oscillators with bistable coupling

Biological cybernetics
Peter A Tass

Abstract

Numerous electroencephalography (EEG) and magnetoencephalography (MEG) studies aim at identifying the chronological order of activation of brain areas. This paper demonstrates that the timing sequence obtained with the gold standard for EEG/MEG analysis (averaging across trials) may not correlate at all with the actual transmission of a stimulus' effect within a pathway formed by connected brain areas. This is shown by studying transmission of stimulus-locked responses in a model that shares basic features with stimulated neuronal rhythms: in two phase oscillators with bistable coupling and noise one oscillator is stimulated. The model presents a mechanism that causes a response clustering, i.e., a switching between two different responses across trials, without extinction of the averaged response (calculated over all trials). Transmission times are calculated for all trials as well as for the two clusters separately with standard averaged responses and with a stochastic phase resetting analysis. The stochastic phase resetting analysis provides reliable estimates of the transmission time. In contrast, transmission times calculated by averaging across trials correspond to the phase difference in the different stable synchronized...Continue Reading

References

Dec 1, 1974·Electroencephalography and Clinical Neurophysiology·H SohmerG Szabo
Jan 1, 1993·Annual Review of Neuroscience·W H Merigan, J H Maunsell
Jan 1, 1997·Trends in Neurosciences·R Hari, R Salmelin
Aug 31, 1999·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·S MakeigT J Sejnowski
Jan 26, 2002·Science·S MakeigT J Sejnowski
Jun 6, 2003·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Peter A Tass
Feb 1, 1954·Electroencephalography and Clinical Neurophysiology·G D DAWSON
Nov 6, 2003·Cognition·Susanne MayrReinhard Pietrowsky
Jul 13, 2004·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Peter A Tass

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Citations

Aug 10, 2005·Philosophical Transactions of the Royal Society of London. Series B, Biological Sciences·Peter A Tass
Feb 14, 2006·NeuroImage·Olivier DavidKarl J Friston
Aug 16, 2006·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Valerii KrachkovskyiPeter A Tass
Feb 1, 2008·Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics·Shyan-Shiou ChenJen-Chuen Hsieh

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