CONCEPT AND REALIZATION OF BACKPACK-TYPE SYSTEM FOR MULTICHANNEL ELECTROPHYSIOLOGY IN FREELY BEHAVING RODENTS

Olga Chaikovska


National Pirogov Memorial Medical University (Ukraine)
http://orcid.org/0000-0002-6489-6040

Oleksandr Ponomarenko


National Pirogov Memorial Medical University (Ukraine)
http://orcid.org/0000-0002-3058-7637

Olexandr Dovgan


National Pirogov Memorial Medical University (Ukraine)
http://orcid.org/0000-0002-8740-0650

Igor Rokunets


National Pirogov Memorial Medical University (Ukraine)
http://orcid.org/0000-0002-8255-6007

Sergii Pavlov

psv@vntu.edu.ua
Vinnytsia National Technical University (Ukraine)
http://orcid.org/0000-0002-0051-5560

Olena Kryvoviaz


National Pirogov Memorial Medical University (Ukraine)
http://orcid.org/0000-0001-5441-1903

Oleg Vlasenko


National Pirogov Memorial Medical University (Ukraine)
http://orcid.org/0000-0001-8759-630X

Abstract

Technologies for multichannel electrophysiology are experiencing astounding growth. Numbers of channels reach thousands of recording sites, systems are often combined with electrostimulations and optic stimulations. However, the task of design the cheap, flexible system for freely behaving animals without tethered cable are not solved completely. We propose the system for multichannel electrophysiology for both rats and mice. The system allows to record unit activity and local field potential (LFP) up to 32 channels with different types of electrodes. The system was constructed using Intan technologies RHD 2132 chip. Data acquisition and recordings take place on the DAQ-card, which is placed as a back-pack on the animal. The signal is amplified with amplifier cascade and digitalized with 16-bit ADC. Instrumental filters allow to filter the signal in 0.1–20000 Hz bandwidth. The system is powered from the mini-battery with capacity 340 mA/hr. The system was validated with generated signals, in anaesthetized rat and showed a high quality of recordings.


Keywords:

multichannel electrophysiology, freely behaving rodents, unit activity, local field potential

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Published
2019-12-15

Cited by

Chaikovska, O., Ponomarenko, O., Dovgan, O., Rokunets, I., Pavlov, S., Kryvoviaz, O., & Vlasenko, O. (2019). CONCEPT AND REALIZATION OF BACKPACK-TYPE SYSTEM FOR MULTICHANNEL ELECTROPHYSIOLOGY IN FREELY BEHAVING RODENTS. Informatyka, Automatyka, Pomiary W Gospodarce I Ochronie Środowiska, 9(4), 64–68. https://doi.org/10.35784/iapgos.688

Authors

Olga Chaikovska 

National Pirogov Memorial Medical University Ukraine
http://orcid.org/0000-0002-6489-6040

Authors

Oleksandr Ponomarenko 

National Pirogov Memorial Medical University Ukraine
http://orcid.org/0000-0002-3058-7637

Authors

Olexandr Dovgan 

National Pirogov Memorial Medical University Ukraine
http://orcid.org/0000-0002-8740-0650

Authors

Igor Rokunets 

National Pirogov Memorial Medical University Ukraine
http://orcid.org/0000-0002-8255-6007

Authors

Sergii Pavlov 
psv@vntu.edu.ua
Vinnytsia National Technical University Ukraine
http://orcid.org/0000-0002-0051-5560

Authors

Olena Kryvoviaz 

National Pirogov Memorial Medical University Ukraine
http://orcid.org/0000-0001-5441-1903

Authors

Oleg Vlasenko 

National Pirogov Memorial Medical University Ukraine
http://orcid.org/0000-0001-8759-630X

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