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Direction detector on an excitable field: field computation with coincidence detection
Hiroki Nagahara1, Takatoshi Ichino, Kenichi Yoshikawa
1Department of Physics, Graduate School of Science, Kyoto University & CREST, Kyoto 606-8502, Japan.
Physical Review. E, Statistical, Nonlinear, and Soft Matter Physics
|November 5, 2004
Summary
This study introduces a novel "direction detector" using field computation, a method inspired by biological information processing. The detector successfully identifies signal direction in both simulations and experiments with excitable chemical systems.
Area of Science:
- Computational Biology
- Chemical Systems
- Information Processing
Background:
- Living organisms process information without central control or clocks.
- Field computation is a novel strategy using geometrically arranged excitable fields.
- Previous research explored the potential of field computation for information processing.
Purpose of the Study:
- To construct and demonstrate a
- direction detector
- on an excitable field.
Main Methods:
- Numerical simulations were employed to test the direction detection mechanism.
- Experiments were conducted using an excitable chemical system to validate the findings.
- The detector functions as a
- coincidence detector
- embedded within the excitable field.
Main Results:
- The direction detector successfully identified the direction of an input source signal.
- Both numerical simulations and experimental results confirmed the detector's functionality.
- The mechanism relies on the characteristic properties of the excitable field.
Conclusions:
- The developed direction detector is a viable application of field computation.
- This research advances the understanding and potential development of field computation.
- The findings suggest new avenues for decentralized information processing systems.