ArticlePloS one2012
Genuine and spurious phase synchronization strengths during consciousness and general anesthesia.
Article in PloS one, 2012. 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.
- Single-trial classification of awareness state during anesthesia by measuring critical dynamics of global brain activity.Scientific reports · 2019Article
- Mechanisms of hysteresis in human brain networks during transitions of consciousness and unconsciousness: Theoretical principles and empirical evidence.PLoS computational biology · 2018Article
- Estimating the Integrated Information Measure Phi from High-Density Electroencephalography during States of Consciousness in Humans.Frontiers in human neuroscience · 2018Article
- Inferring the Dysconnection Syndrome in Schizophrenia: Interpretational Considerations on Methods for the Network Analyses of fMRI Data.Frontiers in psychiatry · 2016Review
- Electroencephalographic coherence and cortical acetylcholine during ketamine-induced unconsciousness.British journal of anaesthesia · 2015Article
- Dynamical criticality during induction of anesthesia in human ECoG recordings.Frontiers in neural circuits · 2014Article
- Subgraph "backbone" analysis of dynamic brain networks during consciousness and anesthesia.PloS one · 2013Article
Corrections and comments
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Authors and funding
5 authors.
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Abstract
Spectral content in a physiological dataset of finite size has the potential to produce spurious measures of coherence. This is especially true for electroencephalography (EEG) during general anesthesia because of the significant alteration of the power spectrum. In this study we quantitatively evaluated the genuine and spurious phase synchronization strength (PSS) of EEG during consciousness, general anesthesia, and recovery. A computational approach based on the randomized data method was used for evaluating genuine and spurious PSS. The validity of the method was tested with a simulated dataset. We applied this method to the EEG of normal subjects undergoing general anesthesia and investigated the finite size effects of EEG references, data length and spectral content on phase synchronization. The most influential factor for genuine PSS was the type of EEG reference; the most influential factor for spurious PSS was the spectral content. Genuine and spurious PSS showed characteristic temporal patterns for each frequency band across consciousness and anesthesia. Simultaneous measurement of both genuine and spurious PSS during general anesthesia is necessary in order to avoid incorrect interpretations regarding states of consciousness.
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