Intranet Feed RSS

Publications of the group and previous publications of its head Ralph G. Andrzejak

Sort by: Author Title [ Type (Asc)] Year
Book Chapter
Lehnertz K, Andrzejak RG, Kreuz T, Mormann F, Rieke C, David P, Elger CE.  2002.  Analysis of EEG in epilepsy. MODELLING BIOMEDICAL SIGNALS. :17-27.
Mormann F, Andrzejak RG, Lehnertz K.  2011.  Automated Prediction and Assessment of Seizure Prediction Algorithms. Osorio el al. (eds.) Epilepsy: The Intersection of Neurosciences, Biology, Mathematics, Engineering and Physics. :165.
Schelter B, Andrzejak RG, Mormann F.  2008.  Can Your Prediction Algorithm Beat a Random Predictor? Seizure Prediction in Epilepsy: From Basic Mechanisms to Clinical Applications. :237–248.
Elger CE, Mormann F, Kreuz T, Andrzejak RG, Rieke C, Sowa R, Florin S, David P, Lehnertz K.  2002.  Characterizing the spatio-temporal dynamics of the epileptogenic process with nonlinear EEG analyses. CELLULAR NEURAL NETWORKS AND THEIR APPLICATIONS. :228-242.
Andrzejak RG, Chicharro D, Mormann F.  2011.  Impact of Biases in the False-Positive Rate on Null Hypothesis Testing. Osorio el al. (eds.) Epilepsy: The Intersection of Neurosciences, Biology, Mathematics, Engineering and Physics. :241.
Andrzejak RG, Widman G, Lehnertz K, David P, Elger CE.  2000.  Nonlinear deterministic dynamics in seizure free EEG epochs as an indicator of the epileptogenic process. A comparison of three surrogate methods. Chaos in brain. :340–343.
Andrzejak RG.  2011.  Nonlinear time series analysis in a nutshell. Osorio et al. (eds.) Epilepsy: The Intersection of Neurosciences, Biology, Mathematics, Engineering and Physics. :125. AndrzejakEpilepsyBook2011.pdf (1.47 MB)
Lehnertz K, Andrzejak RG, Arnhold J, Widman G, Burr W, David P, Elger CE.  2000.  Possible clinical and research applications of nonlinear EEG analysis in humans. Chaos in brain. :134–155.
Elger CE, Widman G, Andrzejak RG, Dumpelmann M, Arnhold J, Grassberger P, Lehnertz K.  2000.  Value of nonlinear time series analysis of the EEG in neocortical epilepsies. NEOCORTICAL EPILEPSIES. 84:317-330.
Conference Proceedings
Laiou P, Andrzejak RG, Kugiumtzis D.  2014.  Evaluation of causality measures based on non-uniform embedding schemes with application to the cardiovascular system. Cardiovascular Oscillations (ESGCO), 2014 8th Conference of the European Study Group on. :225-226.
Serrà J, Kantz H, Andrzejak RG.  2010.  Model-based cover song detection via threshold autoregressive forecasts. Proceedings of 3rd international workshop on Machine learning and music. :13–16.
Serrà J, de los Santos CA, Andrzejak RG.  2011.  Nonlinear audio recurrence analysis with application to genre classification. 2011 IEEE INTERNATIONAL CONFERENCE ON ACOUSTICS, SPEECH, AND SIGNAL PROCESSING. :169-172.
Stogbauer H, Andrzejak RG, Kraskov A, Grassberger P.  2004.  Reliability of ICA estimates with mutual information. INDEPENDENT COMPONENT ANALYSIS AND BLIND SIGNAL SEPARATION. 3195:209-216.
Andrzejak RG, Kreuz T, Mormann F, Lehnertz K, Elger CE.  2004.  Surrogate time series improve the capability of nonlinear measures to characterize the epileptic process. SIMPLICITY BEHIND COMPLEXITY. 3:360-366.
Journal Article
Andrzejak RG, Rummel C, Mormann F, Schindler K.  2016.  All together now: Analogies between chimera state collapses and epileptic seizures. Scientific Reports. 6:23000.
Mormann F, Andrzejak RG, Kreuz T, Rieke C, David P, Elger CE, Lehnertz K.  2003.  Automated detection of a preseizure state based on a decrease in synchronization in intracranial electroencephalogram recordings from epilepsy patients. PHYSICAL REVIEW E. 67:021912.
Andrzejak RG, Kraskov A, Stogbauer H, Mormann F, Kreuz T.  2003.  Bivariate surrogate techniques: Necessity, strengths, and caveats. PHYSICAL REVIEW E. 68:066202. Andrzejak-PhysicalReviewE2003B.pdf (527.43 KB)
Andrzejak RG, Kreuz T.  2011.  Characterizing unidirectional couplings between point processes and flows. EPL. 96:50012. AndrzejakEPL2011.pdf (753.04 KB)
Laiou P, Andrzejak RG.  2017.  Coupling strength versus coupling impact in nonidentical bidirectionally coupled dynamics. Phys. Rev. E. 95(1) LaiouAndrzejakPRE2017.pdf (470.23 KB)
Serrà J, Serra X, Andrzejak RG.  2009.  Cross recurrence quantification for cover song identification. NEW JOURNAL OF PHYSICS. 11:093017.
Andrzejak RG, Mormann F, Kreuz T.  2014.  Detecting determinism from point processes. Phys. Rev. E. 90:062906. Andrzejak_PRE_2014.pdf (182.69 KB)
Naro D, Rummel C, Schindler K, Andrzejak RG.  2014.  Detecting determinism with improved sensitivity in time series: Rank-based nonlinear predictability score. Phys. Rev. E. 90:032913. NaroEtAlPhysRevE2014.pdf (350.87 KB)
Andrzejak RG, Ledberg A, Deco G.  2006.  Detecting event-related time-dependent directional couplings. NEW JOURNAL OF PHYSICS. 8:6. Andrzejak-NewJPhysics2006.pdf (240.21 KB)
Smirnov DA, Andrzejak RG.  2005.  Detection of weak directional coupling: Phase-dynamics approach versus state-space approach. PHYSICAL REVIEW E. 71:036207. Smirnov-PhysicalReviewE2005.pdf (262.17 KB)
Rieke C, Mormann F, Andrzejak RG, Kreuz T, David P, Elger CE, Lehnertz K.  2003.  Discerning nonstationarity from nonlinearity in seizure-free and preseizure EEG recordings from epilepsy patients. IEEE TRANSACTIONS ON BIOMEDICAL ENGINEERING. 50:634-639.
Muller A, Osterhage H, Sowa R, Andrzejak RG, Mormann F, Lehnertz K.  2006.  A distributed computing system for multivariate time series analyses of multichannel neurophysiological data. JOURNAL OF NEUROSCIENCE METHODS. 152:190-201.
Andrzejak RG, Widman G, Lehnertz K, Rieke C, David P, Elger CE.  2001.  The epileptic process as nonlinear deterministic dynamics in a stochastic environment: an evaluation on mesial temporal lobe epilepsy. EPILEPSY RESEARCH. 44:129-140. Andrzejak-EpilepsyResearch2001.pdf (297.53 KB)
Mormann F, Kreuz T, Andrzejak RG, David P, Lehnertz K, Elger CE.  2003.  Epileptic seizures are preceded by a decrease in synchronization. EPILEPSY RESEARCH. 53:173-185.
Andrzejak RG, Ruzzene G, Malvestio I.  2017.  Generalized synchronization between chimera states. Chaos. 27(5) Andrzejak_etal_Chaos2017.pdf (1.98 MB)
Kraskov A, Stogbauer H, Andrzejak RG, Grassberger P.  2005.  Hierarchical clustering using mutual information. EUROPHYSICS LETTERS. 70:278-284.
Schindler K, Rummel C, Andrzejak RG, Goodfellow M, Zubler F, Abela E, Wiest R, Pollo C, Steimer A, Gast H.  2016.  Ictal time-irreversible intracranial EEG signals as markers of the epileptogenic zone. Clinical neurophysiology. 127:3051–3058.
Andrzejak RG, Mormann F, Widman G, Kreuz T, Elger CE, Lehnertz K.  2006.  Improved spatial characterization of the epileptic brain by focusing on nonlinearity. EPILEPSY RESEARCH. 69:30-44. Andrzejak-EpilepsyResearch2006.pdf (565.74 KB)
Rieke C, Andrzejak RG, Mormann F, Lehnertz K.  2004.  Improved statistical test for nonstationarity using recurrence time statistics. PHYSICAL REVIEW E. 69:046111.
Mormann F, Osterhage H, Andrzejak RG, Weber B, Fernandez G, Fell J, Elger CE, Lehnertz K.  2008.  Independent delta/theta rhythms in the human hippocampus and entorhinal cortex. FRONTIERS IN HUMAN NEUROSCIENCE. 2:3.
Andrzejak RG, Lehnertz K, Mormann F, Rieke C, David P, Elger CE.  2001.  Indications of nonlinear deterministic and finite-dimensional structures in time series of brain electrical activity: Dependence on recording region and brain state. PHYSICAL REVIEW E. 64:061907. Andrzejak-PhysicalReviewE2001.pdf (306.45 KB)
Lehnertz K, Widman G, Andrzejak RG, Arnhold J, Elger CE.  1999.  Is it possible to anticipate seizure onset by non-linear analysis of intracerebral EEG in human partial epilepsies? REVUE NEUROLOGIQUE. 155:454-456.
Andrzejak RG, Olivier D, Gnatkovsky V, Wendling F, Bartlomei F, Francione S, Kahane P, Schindler K, de Curtis M.  2015.  Localization of epileptogenic zone on pre-surgical intracranial EEG recordings: toward a validation of quantitative signal analysis approaches. Brain Topography. 28(6):832-837.
Kreuz T, Andrzejak RG, Mormann F, Kraskov A, Stogbauer H, Elger CE, Lehnertz K, Grassberger P.  2004.  Measure profile surrogates: A method to validate the performance of epileptic seizure prediction algorithms. PHYSICAL REVIEW E. 69:061915.
Kreuz T, Chicharro D, Andrzejak RG, Haas JS, Abarbanel HDI.  2009.  Measuring multiple spike train synchrony. JOURNAL OF NEUROSCIENCE METHODS. 183:287-299.
Rieke C, Sternickel K, Andrzejak RG, Elger CE, David P, Lehnertz K.  2002.  Measuring nonstationarity by analyzing the loss of recurrence in dynamical systems. PHYSICAL REVIEW LETTERS. 88:244102.
Kreuz T, Mormann F, Andrzejak RG, Kraskov A, Lehnertz K, Grassberger P.  2007.  Measuring synchronization in coupled model systems: A comparison of different approaches. PHYSICA D-NONLINEAR PHENOMENA. 225:29-42.
Kreuz T, Chicharro D, Houghton C, Andrzejak RG, Mormann F.  2013.  Monitoring spike train synchrony. Journal of Neurophysiology. 109:1457-1472.
Elger CE, Widman G, Andrzejak RG, Arnhold J, David P, Lehnertz K.  2000.  Nonlinear EEG analysis and its potential role in epileptology. EPILEPSIA. 41:S34-S38.
Lehnertz K, Andrzejak RG, Arnhold J, Kreuz T, Mormann F, Rieke C, Widman G, Elger CE.  2001.  Nonlinear EEG analysis in epilepsy: Its possible use for interictal focus localization, seizure anticipation, and prevention. JOURNAL OF CLINICAL NEUROPHYSIOLOGY. 18:209-222.
Andrzejak RG, Schindler K, Rummel C.  2012.  Nonrandomness, nonlinear dependence, and nonstationarity of electroencephalographic recordings from epilepsy patients. PHYSICAL REVIEW E. 86:046206. Andrzejak-PhysicalReviewE2012.pdf (1.07 MB)
Mormann F, Kreuz T, Rieke C, Andrzejak RG, Kraskov A, David P, Elger CE, Lehnertz K.  2005.  On the predictability of epileptic seizures. CLINICAL NEUROPHYSIOLOGY. 116:569-587. Mormann-ClinicalNeurophysiol2005.pdf (637.21 KB)
Serrà J, Kantz H, Serra X, Andrzejak RG.  2012.  Predictability of Music Descriptor Time Series and its Application to Cover Song Detection. IEEE TRANSACTIONS ON AUDIO SPEECH AND LANGUAGE PROCESSING. 20:514-525.
Rummel C, Andrzejak RG, Schindler K.  2012.  Quantitative Analysis of Peri-Ictal Multi-Channel EEG. Epileptologie. 29:99–113.
Chicharro D, Andrzejak RG.  2009.  Reliable detection of directional couplings using rank statistics. PHYSICAL REVIEW E. 80:026217. Chicharro-PhysicalReviewE2009.pdf (870.14 KB)
Rummel C, Abela E, Andrzejak RG, Hauf M, Pollo C, Müller M, Weisstanner C, Wiest R, Schindler K.  2015.  Resected Brain Tissue, Seizure Onset Zone and Quantitative EEG Measures: Towards Prediction of Post-Surgical Seizure Control. PLOS ONE. 10(10):e0141023.
Andrzejak RG, Chicharro D, Elger CE, Mormann F.  2009.  Seizure prediction: Any better than chance? CLINICAL NEUROPHYSIOLOGY. 120:1465-1478. Andrzejak-ClinNeurophysiol2009.pdf (713.2 KB)
Lehnertz K, Mormann F, Kreuz T, Andrzejak RG, Rieke C, David P, Elger CE.  2003.  Seizure prediction by nonlinear EEG analysis. IEEE ENGINEERING IN MEDICINE AND BIOLOGY MAGAZINE. 22:57-63.
Mormann F, Andrzejak RG, Elger CE, Lehnertz K.  2007.  Seizure prediction: the long and winding road. BRAIN. 130:314-333. Mormann-Brain2007.pdf (261.02 KB)
Rocamora R, Andrzejak RG, Jimenez-Conde J, Elger CE.  2013.  Sleep modulation of epileptic activity in mesial and neocortical temporal lobe epilepsy: a study with depth and subdural electrodes. Epilepsy & Behavior. 28(2):185--190.
Chicharro D.  2011.  On the spectral formulation of Granger causality. Biological Cybernetics. 105:331-347.
Andrzejak RG, Mormann F, Kreuz T, Rieke C, Kraskov A, Elger CE, Lehnertz K.  2003.  Testing the null hypothesis of the nonexistence of a preseizure state. PHYSICAL REVIEW E. 67:010901. Andrzejak-PhysicalReviewE2003.pdf (115.14 KB)
Kreuz T, Chicharro D, Greschner M, Andrzejak RG.  2011.  Time-resolved and time-scale adaptive measures of spike train synchrony. JOURNAL OF NEUROSCIENCE METHODS. 195:92-106.
Andrzejak RG, Chicharro D, Lehnertz K, Mormann F.  2011.  Using bivariate signal analysis to characterize the epileptic focus: The benefit of surrogates. PHYSICAL REVIEW E. 83:046203. Andrzejak-PhysicalReviewE2011.pdf (1.32 MB)
Chicharro D, Kreuz T, Andrzejak RG.  2011.  What can spike train distances tell us about the neural code? JOURNAL OF NEUROSCIENCE METHODS. 199:146-165.