Feedback delays can enhance anticipatory synchronization in human-machine interaction

Auriel Washburn*, Rachel W. Kallen, Maurice Lamb, Nigel Stepp, Kevin Shockley, Michael J. Richardson

*Corresponding author for this work

Research output: Contribution to journalArticle

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Abstract

Research investigating the dynamics of coupled physical systems has demonstrated that small feedback delays can allow a dynamic response system to anticipate chaotic behavior. This counterintuitive phenomenon, termed anticipatory synchronization, has been observed in coupled electrical circuits, laser semi-conductors, and artificial neurons. Recent research indicates that the same process might also support the ability of humans to anticipate the occurrence of chaotic behavior in other individuals. Motivated by this latter work, the current study examined whether the process of feedback delay induced anticipatory synchronization could be employed to develop an interactive artificial agent capable of anticipating chaotic human movement. Results revealed that incorporating such delays within the movement-control dynamics of an artificial agent not only enhances an artificial agent’s ability to anticipate chaotic human behavior, but to synchronize with such behavior in a manner similar to natural human-human anticipatory synchronization. The implication of these findings for the development of human-machine interaction systems is discussed.

Original languageEnglish
Article numbere0221275
Pages (from-to)1-17
Number of pages17
JournalPLoS ONE
Volume14
Issue number8
DOIs
Publication statusPublished - 22 Aug 2019

Bibliographical note

Copyright the Author(s) 2019. Version archived for private and non-commercial use with the permission of the author/s and according to publisher conditions. For further rights please contact the publisher.

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