Figure 1—figure supplement 4.
- ID
- ZDB-FIG-230319-66
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- Chen et al., 2023 - Granger causality analysis for calcium transients in neuronal networks, challenges and improvements
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Cross-correlation analysis for synthetic data generated with VAR dynamics reveals the correct interaction structure at the exact delay time difference. Here, N = 10 neurons are simulated for T = 5000 time points, the same simulated trajectory as the one used to plot Figure 1CD. (A) Cross-correlation matrix at Δt = 0, 2, 4 The true underlying dynamics as neuron-neuron interaction for Δt = 1, 2 (B) Significant cross-correlations are marked by black squares, while the true underlying network is indicated by red dots. (C) Links with top absolute value of cross-correlations, with the number of total links matching that of the true underlying connectivity. |