Closed-loop control of zebrafish behaviour in three dimensions using a robotic stimulus

Changsu Kim, Tommaso Ruberto, Paul Phamduy, Maurizio Porfiri

Research output: Contribution to journalArticle

Abstract

Robotics is continuously being integrated in animal behaviour studies to create customizable, controllable, and repeatable stimuli. However, few systems have capitalized on recent breakthroughs in computer vision and real-time control to enable a two-way interaction between the animal and the robot. Here, we present a "closed-loop control" system to investigate the behaviour of zebrafish, a popular animal model in preclinical studies. The system allows for actuating a biologically-inspired 3D-printed replica in a 3D workspace, in response to the behaviour of a zebrafish. We demonstrate the role of closed-loop control in modulating the response of zebrafish, across a range of behavioural and information-theoretic measures. Our results suggest that closed-loop control could enhance the degree of biomimicry of the replica, by increasing the attraction of live subjects and their interaction with the stimulus. Interactive experiments hold promise to advance our understanding of zebrafish, offering new means for high throughput behavioural phenotyping.

Original languageEnglish (US)
Article number657
JournalScientific Reports
Volume8
Issue number1
DOIs
StatePublished - Dec 1 2018

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Danio rerio
biomimetics
robots
computer vision
animal behavior
animal models
phenotype
animals

ASJC Scopus subject areas

  • General

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Closed-loop control of zebrafish behaviour in three dimensions using a robotic stimulus. / Kim, Changsu; Ruberto, Tommaso; Phamduy, Paul; Porfiri, Maurizio.

In: Scientific Reports, Vol. 8, No. 1, 657, 01.12.2018.

Research output: Contribution to journalArticle

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