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A Biologically-Inspired Computational Model of Time Perception
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).ORCID iD: 0000-0003-4533-4971
Institute for Systems and Robotics, Instituto Superior Técnico, Lisbon, Portugal.ORCID iD: 0000-0002-5655-9562
KTH, School of Electrical Engineering and Computer Science (EECS), Intelligent systems, Decision and Control Systems (Automatic Control).ORCID iD: 0000-0002-1927-1690
2022 (English)In: IEEE Transactions on Cognitive and Developmental Systems, ISSN 2379-8920, Vol. 14, no 2, p. 258-268Article in journal (Refereed) Published
Abstract [en]

Time perception – how humans and animals perceive the passage of time – forms the basis for important cognitive skills such as decision-making, planning, and communication. In this work, we propose a framework for examining the mechanisms responsible for time perception. We first model neural time perception as a combination of two known timing sources: internal neuronal mechanisms and external (environmental) stimuli, and design a decision-making framework to replicate them. We then implement this framework in a simulated robot. We measure the robot’s success on a temporal discrimination task originally performed by mice to evaluate their capacity to exploit temporal knowledge. We conclude that the robot is able to perceive time similarly to animals when it comes to their intrinsic mechanisms of interpreting time and performing time-aware actions. Next, by analysing the behaviour of agents equipped with the framework, we propose an estimator to infer characteristics of the timing mechanisms intrinsic to the agents. In particular, we show that from their empirical action probability distribution we are able to estimate parameters used for perceiving time. Overall, our work shows promising results when it comes to drawing conclusions regarding some of the characteristics present in biological timing mechanisms.

Place, publisher, year, edition, pages
Institute of Electrical and Electronics Engineers (IEEE) , 2022. Vol. 14, no 2, p. 258-268
Keywords [en]
Animals, Biology, cognitive modeling, Decision making, microstimuli., Reinforcement learning, Robot sensing systems, robotics, Task analysis, time perception, Timing, Biomimetics, Cognitive systems, Job analysis, Mammals, Probability distributions, Robots, Timing circuits, Biologically-inspired, Cognitive model, Cognitive skill, Computational modelling, Decisions makings, Microstimulus., Models of time, Robot sensing system
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:kth:diva-312945DOI: 10.1109/TCDS.2021.3120301ISI: 000809402600006Scopus ID: 2-s2.0-85117803982OAI: oai:DiVA.org:kth-312945DiVA, id: diva2:1661811
Note

QC 20250508

Available from: 2022-05-30 Created: 2022-05-30 Last updated: 2025-05-08Bibliographically approved

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Lourenço, InêsMattila, RobertWahlberg, Bo

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