2000
DOI: 10.1097/00001756-200003200-00007
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Bi-directional interactions between visual areas in the awake behaving cat

Abstract: The study of the cooperativity among cortical areas is essential to our understanding of brain functioning. Here we investigated the relative contributions of top-down and bottom-up directed interactions between area 17 and area 7 of the cat visual system. Bipolar local field potentials were recorded while the animals performed a go/no-go task or were in a quiet resting state. The data were analyzed by applying measures of interaction based on the Wiener-Granger causality concept. We found that during the visu… Show more

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Cited by 41 publications
(39 citation statements)
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“…Granger causality analysis has been previously applied to electrophysiological animal data, specifically Local Field Potentials (LFPs) to detect influences at the neuronal population level (Baccala and Sameshima, 2001;Bernasconi and Konig, 1999;Bernasconi et al, 2000;Brovelli et al, 2004;Freiwald et al, 1999). More recently, Granger causality and related frequency domain measures have also been applied to human EEG data (Hesse et al, 2003;Kaminski et al, 2001).…”
Section: Introductionmentioning
confidence: 99%
“…Granger causality analysis has been previously applied to electrophysiological animal data, specifically Local Field Potentials (LFPs) to detect influences at the neuronal population level (Baccala and Sameshima, 2001;Bernasconi and Konig, 1999;Bernasconi et al, 2000;Brovelli et al, 2004;Freiwald et al, 1999). More recently, Granger causality and related frequency domain measures have also been applied to human EEG data (Hesse et al, 2003;Kaminski et al, 2001).…”
Section: Introductionmentioning
confidence: 99%
“…Granger (23) defined causal influence in terms of stochastic processes: one stochastic process is causal to a second if the autoregressive predictability of the second process at a given time point is improved by including measurements from the immediate past of the first. Granger causality has been shown to be suitable for the study of directionality in neuronal interactions by assessment on neurophysiological data in both the frequency and time domains (24)(25)(26), as well as on simulated simple systems where the direction and relative strength of Granger causal influence could be reliably established (26)(27)(28).…”
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confidence: 99%
“…Three of these studies [9,10,15] used the measures presented in this article. Below we review one study published by our group [6,15].…”
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confidence: 99%