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Updated: Jun 20, 2025

Recording EEG in Freely Moving Neonatal Rats Using a Novel Method

Recording EEG in Freely Moving Neonatal Rats Using a Novel Method

Published on: May 29, 2017

Protocol for continuous video-EEG/EMG recording to study brain function in neonatal rats.

Anamika Choudhary¹, Cezar Gavrilovici², Andy Cheuk-Him Ng³

¹Department of Pediatrics, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada; Alberta Children's Hospital Research Institute, University of Calgary, Calgary, AB, Canada; Hotchkiss Brain Institute, University of Calgary, Calgary, AB, Canada.

|July 19, 2024

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A novel "pup-in-cup" setup allows continuous brain activity recordings in neonatal rats, overcoming limitations of maternal care. This method enables uninterrupted electroencephalogram (EEG) and electromyogram (EMG) data collection in young rodents.

Area of Science:

Neuroscience
Developmental Biology
Epilepsy Research

Background:

Electroencephalogram (EEG) is vital for real-time brain physiology studies, particularly in epilepsy research.
Current methods for EEG recording in immature rodents are limited by reliance on maternal care, hindering continuous data acquisition.

Purpose of the Study:

To present a novel "pup-in-cup" setup for overcoming maternal care limitations in neonatal rodent EEG/EMG recordings.
To detail a protocol for establishing continuous, uninterrupted video-EEG/EMG recordings in neonatal rats.

Main Methods:

Development of a "pup-in-cup" apparatus to house neonatal rats.
Surgical implantation of EEG headmounts in pups.
Integration of video recording with EEG and electromyogram (EMG) systems for simultaneous data capture.

Keywords:

model organisms neuroscience systems biology

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Related Experiment Videos

Last Updated: Jun 20, 2025

Recording EEG in Freely Moving Neonatal Rats Using a Novel Method

Recording EEG in Freely Moving Neonatal Rats Using a Novel Method

Published on: May 29, 2017

Continuous Video Electroencephalogram during Hypoxia-Ischemia in Neonatal Mice

Continuous Video Electroencephalogram during Hypoxia-Ischemia in Neonatal Mice

Published on: June 11, 2020

Long-term Continuous EEG Monitoring in Small Rodent Models of Human Disease Using the Epoch Wireless Transmitter System

Long-term Continuous EEG Monitoring in Small Rodent Models of Human Disease Using the Epoch Wireless Transmitter System

Published on: July 21, 2015

Main Results:

The "pup-in-cup" setup successfully enabled continuous, uninterrupted video-EEG/EMG recordings in neonatal rats.
Recordings were feasible from postnatal days 4-12, providing valuable data on brain activity during early development.

Conclusions:

The "pup-in-cup" method is an effective solution for obtaining high-quality, continuous EEG/EMG data in neonatal rodents.
This protocol facilitates advanced research into brain physiology and epilepsy in early life stages.