ReviewFrontiers in human neuroscience2013
Field effects and ictal synchronization: insights from in homine observations.
Review in Frontiers in human neuroscience, 2013. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 7 papers.
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Who cites it
7 citing papers in PubMed.
- Model-based design for seizure control by stimulation.Journal of neural engineering · 2020Article
- An Excitatory and Epileptogenic Effect of Dentate Gyrus Mossy Cells in a Mouse Model of Epilepsy.Cell reports · 2019Article
- Single-cell selectivity and functional architecture of human lateral occipital complex.PLoS biology · 2019Article
- A Computational Model of Deep-Brain Stimulation for Acquired Dystonia in Children.Frontiers in computational neuroscience · 2018Article
- A fingerprint of the epileptogenic zone in human epilepsies.Brain : a journal of neurology · 2018Article
- Assessing direct paths of intracortical causal information flow of oscillatory activity with the isolated effective coherence (iCoh).Frontiers in human neuroscience · 2014Article
- Acute human brain responses to intracortical microelectrode arrays: challenges and future prospects.Frontiers in neuroengineering · 2014Article
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7 authors.
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Abstract
It has been well established in animal models that electrical fields generated during inter-ictal and ictal discharges are strong enough in intensity to influence action potential firing threshold and synchronization. We discuss recently published data from microelectrode array recordings of human neocortical seizures and speculate about the possible role of field effects in neuronal synchronization. We have identified two distinct seizure territories that cannot be easily distinguished by traditional EEG analysis. The ictal core exhibits synchronized neuronal burst firing, while the surrounding ictal penumbra exhibits asynchronous and relatively sparse neuronal activity. In the ictal core large amplitude rhythmic ictal discharges produce large electric fields that correspond with highly synchronous neuronal firing. In the penumbra rhythmic ictal discharges are smaller in amplitude, but large enough to influence spike timing, yet neuronal synchrony is not observed. These in homine observations are in accord with decades of animal studies supporting a role of field effects in neuronal synchronization during seizures, yet also highlight how field effects may be negated in the presence of strong synaptic inhibition in the penumbra.
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