Dynamics of event-related potentials to trains of light and dark flashes: responses to missing and extra stimuli in elasmobranch fish

Electroencephalography and Clinical Neurophysiology
S Karamürsel, T H Bullock

Abstract

To characterize the dependencies of event-related potentials (ERPs) in lower vertebrates and brain levels upon recent history and sequences of stimuli, trains of flashes were delivered at various frequencies to unanesthetized rays while recording in optic tectum and telencephalon. ERPs to repetitive stimuli cannot be understood in terms of simple refractoriness and recovery. Processes must be invoked such as simultaneous excitation and suppression, facilitation and its opposite, rebound and induced rhythms, each with development and decay times and non-linearities. Some of these processes are uncovered by omitting a stimulus from a train. Omitted stimulus potentials (OSPs) act as though the brain expects a stimulus within 5-7 msec of the interstimulus interval (ISI) of the train. Very few ISIs suffice. The effect upon visual evoked potential (VEP) form and duration of the number of stimuli in short trains, before the steady state response (SSR) is established, is complex. Alternation of the amplitude of successive VEPs (1 large every 2 VEPs, 1 in 3, 1 in 4) is one indication of complexities in the SSR. OSPs also alternate. A single extra stimulus interpolated into a regular train causes distinct effects according to its positio...Continue Reading

References

Jan 1, 1990·The Journal of Experimental Zoology. Supplement : Published Under Auspices of the American Society of Zoologists and the Division of Comparative Physiology and Biochemistry·T H BullockF K Nahm
Jan 1, 1990·Progress in Neurobiology·A S FengD M Gooler
May 1, 1970·Journal of Theoretical Biology·S Grossberg
Jul 1, 1984·The Journal of Comparative Neurology·M J Airhart, R M Kriebel
Jul 1, 1994·Electroencephalography and Clinical Neurophysiology·T H BullockC Başar-Eroglu
Jul 1, 1994·Electroencephalography and Clinical Neurophysiology·J C Prechtl, T H Bullock
May 1, 1993·Journal of Comparative Physiology. A, Sensory, Neural, and Behavioral Physiology·T H BullockM H Hofmann

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Citations

Jul 1, 1994·Electroencephalography and Clinical Neurophysiology·T H BullockC Başar-Eroglu
Jul 1, 1994·Electroencephalography and Clinical Neurophysiology·J C Prechtl, T H Bullock
Apr 24, 2007·Nature Neuroscience·Greg SchwartzMichael J Berry
Jul 2, 2009·Network : Computation in Neural Systems·Juan GaoPhilip Holmes
Feb 6, 2016·Scientific Reports·Shogo Ohmae, Masaki Tanaka
Jan 1, 1997·Acta Oto-laryngologica. Supplementum·T H Bullock
Oct 8, 1999·The International Journal of Neuroscience·S Karamürsel, T H Bullock
Dec 1, 1996·The International Journal of Neuroscience·U Işoğlu-AlkaçM Devrim
May 30, 1998·Journal of Neurophysiology·D W Crevier, M Meister
Apr 25, 2020·Frontiers in Human Neuroscience·Mónica OteroWael El-Deredy

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