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Electroencephalography: electrode arrays in dogs.

Stephen Everest1, Luis Gaitero1, Robert Dony2

  • 1Department of Clinical Studies, Ontario Veterinary College Health Sciences Centre, University of Guelph, Guelph, ON, Canada.

Frontiers in Veterinary Science
|November 29, 2024
PubMed
Summary

Electroencephalography (EEG) offers crucial insights into canine epilepsy. Standardizing EEG electrode arrays in dogs can improve seizure focus identification, enhancing treatment options beyond medication.

Keywords:
dogselectroencephalographyepilepsyseizuresstandardized electrode placement

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Area of Science:

  • Veterinary Neurology
  • Neurophysiology
  • Epileptology

Background:

  • Idiopathic epilepsy is common in dogs, yet veterinary understanding lags human medicine.
  • Underuse of electroencephalography (EEG) in canine epilepsy hinders diagnosis and treatment.
  • Current canine EEG protocols lack standardization, unlike the human 10-20 system.

Purpose of the Study:

  • To review cortical brain activity studies to advance EEG understanding in veterinary medicine.
  • To evaluate the utility of EEG, focusing on proposed electrode arrays and evidence.
  • To identify factors for an ideal canine EEG electrode array for improved clinical application.

Main Methods:

  • Narrative literature review of cortical brain activity studies.
  • Analysis of existing and proposed canine EEG electrode arrays.
  • Comparison with standardized human EEG electrode placement (10-20 system).

Main Results:

  • Canine EEG protocols and electrode arrays are currently diverse and non-standardized.
  • Human EEG utilizes a standardized 10-20 array with known localization error.
  • Significant gaps exist in understanding canine EEG and its clinical utility.

Conclusions:

  • Standardizing canine EEG electrode arrays is essential for accurate seizure focus localization.
  • Improved EEG understanding can lead to targeted non-pharmaceutical interventions, such as surgery.
  • Further research and validation are needed for an ideal canine EEG array.