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Related Experiment Video

Updated: Dec 20, 2025

Developing a Behavioral Box for Assessing Prepulse Inhibition and Neural Activity in Psychiatric Animal Models
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Developing a Behavioral Box for Assessing Prepulse Inhibition and Neural Activity in Psychiatric Animal Models

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Open-source raspberry Pi-based operant box for translational behavioral testing in rodents.

N Buscher1, A Ojeda2, M Francoeur1

  • 1Mental Health Service, VA San Diego Healthcare Syst., San Diego, CA 92161, United States; Dept. of Psychiatry, UC San Diego, La Jolla, CA 92093, United States.

Journal of Neuroscience Methods
|June 2, 2020
PubMed
Summary
This summary is machine-generated.

Researchers developed an affordable, open-source operant chamber for rodent behavior studies. This system integrates electrophysiology and optogenetics, offering a cost-effective alternative to commercial setups for neuroscience research.

Keywords:
CustomGo/No-GoOpen-sourceRaspberryPiRat

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Area of Science:

  • Neuroscience
  • Behavioral Science
  • Biomedical Engineering

Background:

  • Rodents are crucial models for studying neural circuits underlying behavior.
  • Standardized training paradigms and human-comparable assays are increasingly important.
  • Existing commercial systems are costly and not optimized for electrophysiology.

Purpose of the Study:

  • To develop an inexpensive, customizable operant chamber for rodent behavioral research.
  • To integrate electrophysiological and optogenetic capabilities into an accessible system.
  • To provide open-source resources for building and operating the chambers.

Main Methods:

  • Utilized Raspberry Pi for an affordable (<$1000) visual-screen operant chamber.
  • Integrated electrophysiological and optogenetic compatibility.
  • Operated the chamber using MATLAB/Simulink for customization.

Main Results:

  • Demonstrated successful data collection for behavior and electrophysiology.
  • Provided comprehensive resources including CAD models, PCB designs, and bill of materials.
  • Showcased the system's ability to combine automated behavioral testing with high-temporal-precision electrophysiological readouts.

Conclusions:

  • The developed open-source operant chambers are significantly more cost-effective than commercial alternatives.
  • The system facilitates high-throughput visual/auditory behavioral assays at approximately 1/10th the cost.
  • Enables advanced neuroscience research by combining behavioral testing with electrophysiology.