Abstract
Physarum polycephalum has been shown to be a biological computer, capable of solving problems through morphological computation. We present laboratory experiments where Physarum was investigated as a component of electronic or wet-ware computers. We find that \(I-T\) electronic signals consistent in time-scale with shuttle transport can be recorded with a sensitive Keithley electrometer. The memristor is a novel non-linear stateful resistor with great promise in neuromorphic computing. We demonstrate that Physarum gives \(I-V\) curves consistent with a memristor and that this response is located in the living cytosol part of the organism (as opposed to the gel outer-body or slime layer). We model the Physarum as an active memristor (a memristor combined with a battery), where the living Physarum metabolism provides energy.
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Gale, E., Adamatzky, A., de Lacy Costello, B. (2016). On the Memristive Properties of Slime Mould. In: Adamatzky, A. (eds) Advances in Physarum Machines. Emergence, Complexity and Computation, vol 21. Springer, Cham. https://doi.org/10.1007/978-3-319-26662-6_4
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