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Sensory fusion in Physarum polycephalum and implementing multi-sensory functional computation

Whiting, James; de Lacy Costello, Ben; Adamatzky, Andrew

Authors

James Whiting James.Whiting@uwe.ac.uk
Occasional Associate Lecturer - FET EDM



Abstract

Surface electrical potential and observational growth recordings were made of a protoplasmic tube of the slime mould Physarum polycephalum in response to a multitude of stimuli with regards to sensory fusion or multisensory integration. Each stimulus was tested alone and in combination in order to evaluate for the first time the effect that multiple stimuli have on the frequency of streaming oscillation. White light caused a decrease in frequency whilst increasing the temperature and applying a food source in the form of oat flakes both increased the frequency. Simultaneously stimulating P. polycephalum with light and oat flake produced no net change in frequency, while combined light and heat stimuli showed an increase in frequency smaller than that observed for heat alone. When the two positive stimuli, oat flakes and heat, were combined, there was a net increase in frequency similar to the cumulative increases caused by the individual stimuli. Boolean logic gates were derived from the measured frequency change. © 2014 .

Journal Article Type Article
Publication Date Jan 1, 2014
Journal BioSystems
Print ISSN 0303-2647
Electronic ISSN 1872-8324
Publisher Elsevier
Peer Reviewed Peer Reviewed
Volume 119
Issue 1
Pages 45-52
APA6 Citation de Lacy Costello, B. P. J., Whiting, J. G. H., Whiting, J., de Lacy Costello, B., & Adamatzky, A. (2014). Sensory fusion in Physarum polycephalum and implementing multi-sensory functional computation. BioSystems, 119(1), 45-52. https://doi.org/10.1016/j.biosystems.2014.03.003
DOI https://doi.org/10.1016/j.biosystems.2014.03.003
Keywords Physarum polycephalum, biocomputing, boolean logic, sensory fusion, multisensory integration
Publisher URL http://dx.doi.org/10.1016/j.biosystems.2014.03.003
Additional Information Additional Information : The final publication is available at http://dx.doi.org/10.10...biosystems.2014.03.003.

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