Image: Connectivity induces correlations
A: Activity in a pair of neurons (red) in a network can become correlated due to direct connections (blue) and different types of shared input (cyan). B: For a complete description a large number of indirect interactions (yellow,orange) and indirect common input contributions (green) have to be taken into account. However, not all nodes and connections contribute to correlations (grey).
Image file: connectivity_induces_correlations_pernice_et_al_2011.png
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