Nature research paper: Emergent reliability in sensory cortical coding and inter-area communication
) datasets, and on the set of No-Go and Go trials. The similarity of the noise correlation coefficients for all 4 subsets of trials suggests that correlated activity exists in these modes irrespective of the trial-type and that the results are not due to overfitting. Highly correlated noise fluctuations between cortical areas cannot simply be explained as resulting from the activity patterns of cells on the borders between pairs of cortical areas.
During the inter-trial interval , there were significantly correlated noise fluctuation modes that were shared between cortical areas. However, these modes were not the same as the shared noise fluctuations that arose at stimulus onset. The plots show the mean time courses of the correlation coefficients for the first- and second-largest noise modes shared between 28 different pairs of brain areas , as found by applying CCA separately to ITI periods .
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