Quarterly (winter, spring, summer, fall)
128 pp. per issue
7 x 10, illustrated
2014 Impact factor:

Artificial Life

Summer 2017, Vol. 23, No. 3, Pages 295-317
(doi: 10.1162/ARTL_a_00233)
© 2017 Massachusetts Institute of Technology
Feedforward Chemical Neural Network: An In Silico Chemical System That Learns
Article PDF (653.73 KB)

Inspired by natural biochemicals that perform complex information processing within living cells, we design and simulate a chemically implemented feedforward neural network, which learns by a novel chemical-reaction-based analogue of backpropagation. Our network is implemented in a simulated chemical system, where individual neurons are separated from each other by semipermeable cell-like membranes. Our compartmentalized, modular design allows a variety of network topologies to be constructed from the same building blocks. This brings us towards general-purpose, adaptive learning in chemico: wet machine learning in an embodied dynamical system.