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Filtered state transition graphs of fungal spiking machines, where spikes have been grouped using θ = a (a–d) and θ = 2 · a (e–h). (a,e) C. militaris, (b,f) F. velutipes, (c,g) S. commune and (d,h) O. nidiformis. The transitions were filtered in such manner that for each state i we select state j such that the weight w(i, j) is maximal over w(i, z), where z ∈ S, S is a set of states.
