THE EXCITED NEURON. “The storage of information in such neurons is very costly in energy. Because of this reason, they shall not be counted in the estimate of the memory storage capacity of the system.”
https://onlinelibrary.wiley.com/doi/full/10.1002/prop.201800007?casa_token=GdPRXs_tGLEAAAAA%3Ag-pxPMtkcleTYDUNK3mYGfpEzKRyc2LqQknTgFFB7dkYFDL8rDe2s0f4_0Q0oKjXD4_AEgFPGWolVTQ