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Peer-reviewed veterinary case report

The epileptic thalamocortical network is a macroscopic self-sustained oscillator: evidence from frequency-locking experiments in rat brains.

Journal:
Scientific reports
Year:
2015
Authors:
Velazquez, J L Perez et al.
Affiliation:
Hospital for Sick Children · Canada
Species:
rodent

Abstract

The rhythmic activity observed in nervous systems, in particular in epilepsies and Parkinson's disease, has often been hypothesized to originate from a macroscopic self-sustained neural oscillator. However, this assumption has not been tested experimentally. Here we support this viewpoint with in vivo experiments in a rodent model of absence seizures, by demonstrating frequency locking to external periodic stimuli and finding the characteristic Arnold tongue. This result has important consequences for developing methods for the control of brain activity, such as seizure cancellation.

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Original publication: https://pubmed.ncbi.nlm.nih.gov/25672543/