| [1] | Myles PS, Leslie K, McNeil J, Forbes A, Chan MTV (2004) Bispectral index monitoring to prevent awareness during anaesthesia: The B-Aware randomised controlled trial. Lancet 363: 1757–1763.
|
| [2] | Tononi G (2008) Consciousness as integrated information: A provisional manifesto. Biol Bull 215(3): 216–42.
|
| [3] | Seth AK, Barrett AB, Barnett L (2011) Causal density and integrated information as measures of conscious level. Phil Trans R Soc A Math Phys Eng Sci 369: 3748–3767.
|
| [4] | Wiener N (1956) The theory of prediction. In: Beckenbach E, editor. Modern mathematics for engineers. New York: McGraw-Hill.
|
| [5] | Granger C (1969) Investigating causal relations by econometric models and cross-spectral methods. Econometrica 37: 424–438.
|
| [6] | Ding M, Chen Y, Bressler S (2006) Granger causality: Basic theory and application to neuroscience. In: Schelter S, Winterhalder M, Timmer J, editors. Handbook of Time Series Analysis. Wienheim: Wiley. pp. 438–460.
|
| [7] | Bressler SL, Seth AK (2011) Wiener-Granger causality: A well established methodology. Neuroimage 58: 323–329.
|
| [8] | Seth AK (2010) A MATLAB toolbox for Granger causal connectivity analysis. Neurosci Meth 186: 262–273.
|
| [9] | Barnett L, Seth AK (2011) Behaviour of Granger causality under filtering: Theoretical invariance and practical application. J Neurosci Meth 201: 404–419.
|
| [10] | Mashour GA (2011) Sleep, anesthesia, and consciousness. Sleep 34(3): 247–248.
|
| [11] | Murphy M, Bruno MA, Riedner B, Boveroux P, Noirhomme Q, et al. (2011) Propofol anesthesia and sleep: A high-density EEG study. Sleep 34(3): 283–291.
|
| [12] | Ramsay MA, Savege TM, Simpson BR, Goodwin R (1974) Controlled sedation with alphaxalonealphadolone. Br Med J 2: 656–9.
|
| [13] | Shafer A (1995) Metaphor and anesthesia. Anesthesiology 83: 1331–42.
|
| [14] | Brovelli A, Ding M, Ledberg A, Chen Y, Nakamura R, et al. (2004) Beta oscillations in a largescale sensorimotor cortical network: Directional influences revealed by Granger causality. Proc Natl Acad Sci U S A 101: 9849–9854.
|
| [15] | Kay S (1988) Modern Spectral Estimation: Theory and Application. Englewood Cliffs, NJ: Prentice-Hall.
|
| [16] | Geweke J (1982) Measurement of linear dependence and feedback between multiple time series. J Am Statist Assoc 77: 304–13.
|
| [17] | Geweke J (1984) Measures of conditional linear dependence and feedback between time series. J Am Statist Assoc 79: 907–915.
|
| [18] | Palais R (2001) Pi is wrong! The Mathematical Intelligencer 23(3): 7–8.
|
| [19] | Bernasconi C, Konig P (1999) On the directionality of cortical interactions studied by structural analysis of electrophysiological recordings. Biol Cybern 81: 199–210.
|
| [20] | Hesse W, M？ller E, Arnold M, Schack B (2003) The use of time-variant EEG Granger causality for inspecting directed interdependencies of neural assemblies. J Neurosci Meth 124: 27–44.
|
| [21] | Pardey J, Roberts S, Tarassenko L, Stradling J (1996) A new approach to the analysis of the human sleep/wakefulness continuum. J Sleep Res 5: 201210.
|
| [22] | Olbrich E, Achermann P, Meier P (2003) Dynamics of human sleep EEG. Neurocomputing 52–54: 857–862.
|
| [23] | Akaike H (1974) A new look at the statistical model identification. IEEE Trans Autom Control 19: 716–723.
|
| [24] | Schwartz G (1978) Estimating the dimension of a model. Ann Statist 5: 461–464.
|
| [25] | Durbin J, Watson GS (1950) Testing for serial correlation in least squares regression I. Biometrika 37: 409–428.
|
| [26] | Ding M, Bressler S, Yang W, Liang H (2000) Short-window spectral analysis of cortical eventrelated potentials by adaptive multivariate autoregressive modeling: data prepocessing, model validation, and variability assessment. Biol Cybern 83: 35–45.
|
| [27] | Uhlhaas PJ, Pipa G, Lima B, Melloni L, Neuenschwander S, et al. (2009) Neural synchrony in cortical networks: History, concept and current status. Front Integr Neurosci 3: 17.
|
| [28] | Pockett S, Bold GEJ, Freeman WJ (2009) EEG synchrony during a perceptual-cognitive task: Widespread phase synchrony at all frequencies. Clinical Neurophysiology 120: 695–708.
|
| [29] | Bressler SL, Menon V (2010) Large-scale brain networks in cognition: Emerging methods and principles. Trends Cogn Sci 14: 277–290.
|
| [30] | Friston K, Harrison L, Penny W (2003) Dynamic causal modeling. Neuroimage 19: 1273–302.
|
| [31] | Friston KJ (2011) Functional and effective connectivity: A review. Brain Connectivity 1: 13–36.
|
| [32] | Barnett L, Barrett AB, Seth AK (2009) Granger causality and transfer entropy are equivalent for Gaussian variables. Phys Rev Lett 103: 238701.
|
| [33] | Barrett AB, Barnett L, Seth AK (2010) Multivariate Granger causality and generalized variance. Phys Rev E 81: 041907.
|
| [34] | Alkire MT, Haier RJ, Barker SJ, Shah NK, Wu JC, et al. (1995) Cerebral metabolism during propofol anesthesia in humans studied with positron emission tomography. Anesthesiology 82: 393–403.
|
| [35] | Laureys S, Goldman S, Phillips C, Van Bogaert P, Aerts J, et al. (1999) Impaired effective cortical connectivity in vegetative state: Preliminary investigation using PET. Neuroimage 9: 377–382.
|
| [36] | Mhuircheartaigh RN, Rosenorn-Lanng D, Wise R, Jbabdi S, Rogers R, et al. (2010) Cortical and subcortical connectivity changes during decreasing levels of consciousness in humans: a functional magnetic resonance imaging study using propofol. J Neurosci 30: 9095–9102.
|
| [37] | Stamatakis EA, Adapa RM, Absalom AR, Menon DK (2010) Changes in resting neural connectivity during propofol sedation. PLoS One 5: e14224.
|
| [38] | Schrouff J, Perlbarg V, Boly M, Marrelec G, Boveroux P, et al. (2011) Brain functional integration decreases during propofol-induced loss of consciousness. Neuroimage 57: 198–205.
|
| [39] | Boveroux P, Vanhaudenhuyse A, Bruno MA, Noirhomme Q, Lauwick S, et al. (2010) Breakdown of within- and between-network resting state functional magnetic resonance imaging connectivity during propofol-induced loss of consciousness. Anesthesiology 113: 1038–1053.
|
| [40] | Lee U, Müller M, Noh GJ, Choi B, Mashour GA (2011) Dissociable network properties of anesthetic state transitions. Anesthesiology 114: 872–881.
|
| [41] | Lee U, Kim S, Noh GJ, Choi BM, Hwang E, et al. (2009) The directionality and functional organization of frontoparietal connectivity during consciousness and anesthesia in humans. Conscious Cogn 18: 1069–1078.
|
| [42] | Breshears JD, Roland JL, Sharma M, Gaona CM, Freudenburg ZV, et al. (2010) Stable and dynamic cortical electrophysiology of induction and emergence with propofol anesthesia. Proc Natl Acad Sci U S A 107: 21170–21175.
|
| [43] | White NS, Alkire MT (2003) Impaired thalamocortical connectivity in humans during generalanesthetic- induced unconsciousness. Neuroimage 19: 402–411.
|
| [44] | Ferrarelli F, Massimini M, Sarasso S, Casali A, Riedner BA, et al. (2010) Breakdown in cortical effective connectivity during midazolam-induced loss of consciousness. Proc Natl Acad Sci U S A 107: 2681–2686.
|
| [45] | Alkire MT, Hudetz AG, Tononi G (2008) Consciousness and anesthesia. Science 322: 876–880.
|
| [46] | Mashour GA (2005) Cognitive unbinding in sleep and anesthesia. Science 310: 1768–9.
|
| [47] | John ER, Prichep LS (2005) The anesthetic cascade: A theory of how anesthesia suppresses consciousness. Anesthesiology 102: 447–471.
|
| [48] | Barrett AB, Seth AK (2011) Practical measures of integrated information for time series data. PLoS Comput Biol 7(1): e1001052.
|
| [49] | Seth A, Izhikevich E, Reeke G, Edelman G (2006) Theories and measures of consciousness: An extended framework. Proc Natl Acad Sci U S A 103: 10799–10804.
|
| [50] | Balduzzi D, Tononi G (2008) Integrated information in discrete dynamical systems: Motivation and theoretical framework. PLoS Comput Biol 4(6): e1000091.
|
| [51] | Massimini M, Ferrarelli F, Huber R, Esser S, Singh H, et al. (2005) Breakdown of corticaleffective connectivity during sleep. Science 309: 2228–2232.
|
| [52] | Arthuis M, Valton L, Régis J, Chauvel P, Wendling F, et al. (2009) Impaired consciousness during temporal lobe seizures is related to increased long-distance cortical-subcortical synchronization. Brain 132: 2091–2101.
|
| [53] | Valdes-Sosa PA, Roebroeck A, Daunizeau J, Friston K (2011) Effective connectivity: Influence, causality and biophysical modeling. Neuroimage 58(2): 339–361.
|
| [54] | Hagmann P, Cammoun L, Gigandet X, Meuli R, Honey CJ, et al. (2008) Mapping the structural core of human cerebral cortex. PLoS Biol 6: e159.
|
| [55] | Seth AK, Dienes Z, Cleeremans A, Overgaard M, Pessoa L (2008) Measuring consciousness: Relating behavioural and neurophysiological approaches. Trends Cogn Sci 12: 314–321.
|
| [56] | Boly M, Seth AK (in press) Modes and models in disorders of consciousness science. Arch Ital Biol xx: xx–xx.
|
