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Automated High-throughput Behavioral Analyses in Zebrafish Larvae
Published on: July 4, 2013
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A novel portable flip-phone based visual behaviour assay for zebrafish
Vanessa Rodwell1, Annabel Birchall1, Ha-Jun Yoon1
1The University of Leicester Ulverscroft Eye Unit, School of Psychology and Vision Sciences, University of Leicester, RKCSB, PO Box 65, Leicester, LE2 7LX, UK.
Scientific Reports
|January 3, 2024
Summary
A new optokinetic reflex (OKR) assay using a flip phone offers a portable and cost-effective alternative to traditional setups. This method demonstrates comparable accuracy in measuring visual development in zebrafish larvae.
Area of Science:
- Neuroscience
- Developmental Biology
- Ophthalmology
Background:
- The optokinetic reflex (OKR) is crucial for assessing visual system development in infants.
- Zebrafish larvae are a valuable model for OKR studies due to their rapid development.
- Current OKR assays are often complex and lack portability.
Purpose of the Study:
- To introduce a novel, portable optokinetic reflex (OKR) assay utilizing a flexible flip-phone screen.
- To evaluate the feasibility and accuracy of this new assay compared to traditional methods.
- To assess the potential of this innovative approach for research and clinical applications.
Main Methods:
- Developed a new OKR assay using a Samsung Galaxy Z Flip phone.
- Conducted paired slow-phase velocity measurements in 5-day post-fertilization zebrafish larvae.
- Compared results with a traditional liquid-crystal display (LCD) arena using Bland-Altman analysis.
Main Results:
- Both the flip-phone and LCD assays successfully elicited the optokinetic reflex (OKR).
- The flip-phone assay demonstrated high eye-tracking precision.
- No statistically significant difference in slow-phase velocities was found between the two methods (p=0.40).
Conclusions:
- The flip-phone-based OKR assay is feasible, non-inferior, and highly portable.
- This innovative method offers streamlined assembly and potential cost-effectiveness.
- The study advances OKR assay methodology for modern research paradigms.

