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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.
This article was published in the following journal.
Name: Scientific reports
During active behaviours like running, swimming, whisking or sniffing, motor actions shape sensory input and sensory percepts guide future motor commands. Ongoing cycles of sensory and motor processin...
The aim of this review is to evaluate whether open-loop or closed-loop neocortical electrical stimulation should be the preferred approach to manage seizures in intractable epilepsy. Twenty cases of o...
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We hypothesize that our integrated closed-loop glucose-control system can provide effective, tight, and safe blood glucose (BG) control in type 1 diabetes, thereby establishing the feasibi...
The proposed study is two-arms, cross-over, randomized and single-center, in clinic Investigation in subjects with type 1 diabetes on insulin pump therapy. The purpose of the study is to ...
This study evaluates the use of the FD2 automated closed loop insulin administration in Adolescents with a poor metabolic control . All youth will be treated in a random order by their usu...
The purpose of this study is to evaluate the feasibility, efficay and safety of a novel closed-loop (automated) vasopressor administration system that delivers norepinephrine using feedbac...
The investigators hypothesize that our closed-loop glucose-control system can provide BG control in subjects with type 1 diabetes using the estimated BG signal from a CGM as the input sign...
Proteins obtained from the ZEBRAFISH. Many of the proteins in this species have been the subject of studies involving basic embryological development (EMBRYOLOGY).
Portable or implantable devices for infusion of insulin. Includes open-loop systems which may be patient-operated or controlled by a pre-set program and are designed for constant delivery of small quantities of insulin, increased during food ingestion, and closed-loop systems which deliver quantities of insulin automatically based on an electronic glucose sensor.
A set of statistical methods for analyzing the correlations among several variables in order to estimate the number of fundamental dimensions that underlie the observed data and to describe and measure those dimensions. It is used frequently in the development of scoring systems for rating scales and questionnaires.
A subfamily of ligand-gated ion channel receptors that share a characteristic loop which is formed by a disulfide bond between two CYSTEINE residues. These receptors typically contain five subunits with the cysteine-loop occurring near an N-terminal extracellular domain.
Disposal, processing, controlling, recycling, and reusing the solid, liquid, and gaseous wastes of plants, animals, humans, and other organisms. It includes control within a closed ecological system to maintain a habitable environment.