PHYSICS PLUS BIOLOGY. “The idea is that by allowing the excitatory synaptic connections among the set of neurons to be gravity‐like – in the sense of a negative interaction energy – the network gives rise to a critical state with an exponentially enhanced memory storage capacity.”
https://onlinelibrary.wiley.com/doi/full/10.1002/prop.201800007?casa_token=GdPRXs_tGLEAAAAA%3Ag-pxPMtkcleTYDUNK3mYGfpEzKRyc2LqQknTgFFB7dkYFDL8rDe2s0f4_0Q0oKjXD4_AEgFPGWolVTQ