Synaptic damage underlies EEG abnormalities in postanoxic encephalopathy (Ruijter et al 2017)


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Accession:237348
"... In postanoxic coma, EEG patterns indicate the severity of encephalopathy and typically evolve in time. We aim to improve the understanding of pathophysiological mechanisms underlying these EEG abnormalities. ... We used a mean field model comprising excitatory and inhibitory neurons, local synaptic connections, and input from thalamic afferents. Anoxic damage is modeled as aggravated short-term synaptic depression, with gradual recovery over many hours. Additionally, excitatory neurotransmission is potentiated, scaling with the severity of anoxic encephalopathy. Simulations were compared with continuous EEG recordings of 155 comatose patients after cardiac arrest. ..."
Reference:
1 . Ruijter BJ, Hofmeijer J, Meijer HGE, van Putten MJAM (2017) Synaptic damage underlies EEG abnormalities in postanoxic encephalopathy: A computational study. Clin Neurophysiol 128:1682-1695 [PubMed]
Model Information (Click on a link to find other models with that property)
Model Type: Synapse; Neural mass;
Brain Region(s)/Organism: Thalamus;
Cell Type(s):
Channel(s):
Gap Junctions:
Receptor(s):
Gene(s):
Transmitter(s):
Simulation Environment: MATLAB (web link to model);
Model Concept(s): Short-term Synaptic Plasticity; Synaptic Plasticity; Depression; Long-term Synaptic Plasticity;
Implementer(s): Ruijter, Barry J [b.j.ruijter at utwente.nl];
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