ArticleClinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology2023
Ideal current dipoles are appropriate source representations for simulating neurons for intracranial recordings.
Article in Clinical neurophysiology : official journal of the International Federation of Clinical Neurophysiology, 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 12 papers.
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Who cites it
12 citing papers in PubMed.
- Inferring neural sources from electroencephalography: foundations and frontiers.Journal of neural engineering · 2026Review
- Physiologically Guided Modeling for EEG Multichannel Signals.Bioengineering (Basel, Switzerland) · 2026Article
- Stereo-EEG propagating source reconstruction identifies new surgical targets for epilepsy patients.Brain : a journal of neurology · 2025Article
- Transcranial 1064-nm laser photobiomodulation modulates frequency-specific cortical source dynamics and functional connectivity in healthy adults.Frontiers in human neuroscience · 2025Article
- Refining Flash Visual Evoked Potential Analysis in Rats: A Novel Approach Using Bilateral Epidural Electrodes.Translational vision science & technology · 2024Article
- Combining independent component analysis and source localization for improving spatial sampling of stereoelectroencephalography in epilepsy.Scientific reports · 2024Article
- Relative contributions of different neural sources to the EEG.NeuroImage · 2023Article
- iCanClean Improves Independent Component Analysis of Mobile Brain Imaging with EEG.Sensors (Basel, Switzerland) · 2023Article
- Optimization of patient-specific stereo-EEG recording sensitivity.Brain communications · 2023Article
- Comparison of EEG Source Localization Using Simplified and Anatomically Accurate Head Models in Younger and Older Adults.IEEE transactions on neural systems and rehabilitation engineering : a publication of the IEEE Engineering in Medicine and Biology Society · 2023Article
- Stereo-EEG Planning: Hitting the Target but Missing the Point?Epilepsy currentsArticle
- Multi-scale model of axonal and dendritic polarization by transcranial direct current stimulation in realistic head geometry.Brain stimulationArticle
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4 authors.
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Abstract
objectiveTo determine whether dipoles are an appropriate simplified representation of neural sources for stereo-EEG (sEEG).
methodsWe compared the distributions of voltages generated by a dipole, biophysically realistic cortical neuron models, and extended regions of cortex to determine how well a dipole represented neural sources at different spatial scales and at electrode to neuron distances relevant for sEEG. We also quantified errors introduced by the dipole approximation of neural sources in sEEG source localization using standardized low-resolution electrotomography (sLORETA).
resultsFor pyramidal neurons, the coefficient of correlation between voltages generated by a dipole and neuron model were > 0.9 for distances > 1 mm. For small regions of cortex (∼0.1 cm
conclusionsSingle dipoles are an appropriate source model to represent both single neurons and small regions of active cortex, while multiple dipoles are required to represent large regions of cortex. SIGNIFICANCE: Dipoles are computationally tractable and valid source models for sEEG.
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