You could have a look on GBNN artificial neural network model.
Some publications:
P. Coussy, C. Chavet, L. Conde-Canencia and H. Nono Wouafo," Fully-Binary Neural Network Model and Optimized Hardware Architectures for Associative Memories", ACM Journal on Emerging Technologies in Computing Systems, Special issue, Accepted paper to be published in JeTC.
or
B. BOGUSLAWSKI, V. GRIPON, F. SEGUIN, and F. HEITZMANN, “Huffman Coding for Storing Non-uniformly Distributed Messages in Networks of Neural Cliques,” in AAAI 2014 : the 28th Conference on Artificial Intelligence, Québec, Canada, 2014, vol. 1, pp. 262–268.
This was addressed a long time ago:``Neural potentials as stimuli for attractor neural networks'', http://informahealthcare.com/doi/abs/10.1088/0954-898X_1_1_006