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Towards a Mathematical Theory of Cortical Micro-circuits

Figure 3

Coincidence likelihood circuit.

Circuit for calculating the bottom-up probability over coincidence patterns. Coincidence pattern neurons are represented by diamond shapes. The inputs to the circuit are the messages from the children, which are denoted by and . The output of the circuit is , as calculated by Equation 2 in Table 1. The input connections to each neuron represent its coincidence pattern. For example, is the co-occurrence of Markov chain 3 from the left child and Markov chain 1 from the right child. The probabilities are calculated by multiplying the inputs to each neuron.

Figure 3

doi: https://doi.org/10.1371/journal.pcbi.1000532.g003