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Low-cost open hardware system for behavioural experiments simultaneously with electrophysiological recordings.

Leandro A A Aguiar1,2,3, Nivaldo A P de Vasconcelos2,4,5,6, Gabriela Chiuffa Tunes7

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Researchers developed an affordable, open-source platform for tracking animal behavior and neural activity simultaneously during operant conditioning experiments. This tool aids neuroscience research in resource-limited labs.

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Area of Science:

  • Neuroscience
  • Behavioral Neuroscience
  • Computational Neuroscience

Background:

  • Identifying neural correlates of behavior is a key challenge in neuroscience.
  • Simultaneous recording of operant responses and neuronal activity is crucial for understanding brain function.
  • Existing commercial operant conditioning systems are costly, limiting accessibility for many research labs.

Purpose of the Study:

  • To describe a novel, low-cost platform for recording operant behavior synchronized with electrophysiological activity.
  • To provide an open-source, flexible, and adaptable system for diverse operant conditioning tasks.
  • To demonstrate the platform's utility in freely moving rats with simultaneous electrophysiological recordings.

Main Methods:

  • Development of a custom-built, low-cost operant chamber.
  • Integration of behavioral tracking software with electrophysiological recording systems.
  • Open-source programming for flexibility and customization.
  • Experimental validation using freely moving rats performing operant conditioning tasks.

Main Results:

  • Successful simultaneous recording of operant behavior and neural activity in rats.
  • Demonstration of the platform's adaptability to various operant conditioning paradigms.
  • Validation of the system's reliability and cost-effectiveness compared to commercial alternatives.

Conclusions:

  • The developed open-source platform offers a viable and affordable solution for neuroscience research.
  • This system facilitates the study of neural mechanisms underlying behavior, particularly in resource-constrained environments.
  • The synchronized recording capability advances the investigation of neural correlates of learning and decision-making.