Assessing human brain impedance using simultaneous surface and intracerebral recordings

Highlights • Original experimental method for assessing the head tissues’ frequency responses. • Similar frequency responses (gain excluded), independent of source–sensor distances. • Fractional computational models with few parameters for the synaptic current sources. • Favorable comparison with ki...

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Veröffentlicht in:	Neuroscience 2017-02, Vol.343, p.411-422
Hauptverfasser:	Ranta, Radu, Le Cam, Steven, Tyvaert, Louise, Louis-Dorr, Valérie
Format:	Artikel
Sprache:	eng
Schlagworte:	Brain - physiology Brain - physiopathology brain impedance Cognitive science computational current source models Computer Simulation Drug Resistant Epilepsy - physiopathology Electric Impedance Electric Stimulation Electroencephalography Engineering Sciences Humans Implantable Neurostimulators intracerebral stimulation Models, Neurological Neurology Neuroscience Signal and Image processing simultaneous EEG–SEEG Synapses - physiology
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Beschreibung
Zusammenfassung:	Highlights • Original experimental method for assessing the head tissues’ frequency responses. • Similar frequency responses (gain excluded), independent of source–sensor distances. • Fractional computational models with few parameters for the synaptic current sources. • Favorable comparison with kinetic/computational models for different synapses. • Simulated LFP signals having the frequency characteristics reported in the literature.
ISSN:	0306-4522 1873-7544
DOI:	10.1016/j.neuroscience.2016.12.013