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Proceedings Paper

Analysis of neural networks in subcortical visual structures using correlation methods
Author(s): Andrzej T. Foik; Jan Popiołkiewicz; Katarzyna Żeber; Paulina Urban; Marek Bekisz; Andrzej Wróbel; Wioletta J. Waleszczyk
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Paper Abstract

Correlation methods were used to characterize the activity of single neurons and network connections in three subcortical structures of the cat visual system. Autocorrelation analysis performed on spike trains of single cells recorded from the lateral geniculate and perigeniculate nuclei showed the presence of bursts of high-frequency oscillations ranging from 100 to 550 Hz in their spontaneous activity. Autocorrelation performed on spike trains of single cells recorded from the superior colliculus also revealed oscillations, but in the frequency range of 10 - 90 Hz, both in the spontaneous and visually evoked neuronal activity. The presence of oscillations was confirmed with spectral analysis and a shift predictor was used to distinguish between stimulus-locked and stimulus-independent oscillations in visually evoked activities. Additionally, a crosscorrelation analysis performed on two spike trains recorded from the same electrode or pairs of electrodes in the superior colliculus, revealed a common input from an external source and the presence of inhibitory interactions in the neuronal network.

Paper Details

Date Published: 25 November 2014
PDF: 9 pages
Proc. SPIE 9290, Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014, 92901W (25 November 2014); doi: 10.1117/12.2075352
Show Author Affiliations
Andrzej T. Foik, Nencki Institute of Experimental Biology (Poland)
Jan Popiołkiewicz, Nencki Institute of Experimental Biology (Poland)
Katarzyna Żeber, Nencki Institute of Experimental Biology (Poland)
Paulina Urban, Nencki Institute of Experimental Biology (Poland)
Marek Bekisz, Nencki Institute of Experimental Biology (Poland)
Andrzej Wróbel, Nencki Institute of Experimental Biology (Poland)
Wioletta J. Waleszczyk, Nencki Institute of Experimental Biology (Poland)


Published in SPIE Proceedings Vol. 9290:
Photonics Applications in Astronomy, Communications, Industry, and High-Energy Physics Experiments 2014
Ryszard S. Romaniuk, Editor(s)

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