Ralph Gregor Andrzejak
Ralph Gregor Andrzejak
Department of Information and Communication Technologies, Universitat Pompeu Fabra, Barcelona
Verified email at - Homepage
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Indications of nonlinear deterministic and finite-dimensional structures in time series of brain electrical activity: Dependence on recording region and brain state
RG Andrzejak, K Lehnertz, F Mormann, C Rieke, P David, CE Elger
PHYSICAL REVIEW E 64 (6; PART 1), 061907, 2001
Seizure prediction: the long and winding road
F Mormann, RG Andrzejak, CE Elger, K Lehnertz
Brain 130 (2), 314-333, 2007
On the predictability of epileptic seizures
F Mormann, T Kreuz, C Rieke, RG Andrzejak, A Kraskov, P David, ...
Clinical neurophysiology 116 (3), 569-587, 2005
Epileptic seizures are preceded by a decrease in synchronization
F Mormann, T Kreuz, RG Andrzejak, P David, K Lehnertz, CE Elger
Epilepsy research 53 (3), 173-185, 2003
Hierarchical clustering using mutual information
A Kraskov, H Stögbauer, RG Andrzejak, P Grassberger
Europhysics Letters 70 (2), 278, 2005
Nonrandomness, nonlinear dependence, and nonstationarity of electroencephalographic recordings from epilepsy patients
RG Andrzejak, K Schindler, C Rummel
Physical Review E 86 (4), 046206, 2012
Automated detection of a preseizure state based on a decrease in synchronization in intracranial electroencephalogram recordings from epilepsy patients
F Mormann, RG Andrzejak, T Kreuz, C Rieke, P David, CE Elger, ...
Physical Review E 67 (2), 021912, 2003
Measuring synchronization in coupled model systems: A comparison of different approaches
T Kreuz, F Mormann, RG Andrzejak, A Kraskov, K Lehnertz, ...
Physica D: Nonlinear Phenomena 225 (1), 29-42, 2007
Nonlinear EEG Analysis in Epilepsy: Its Possible Use for Interictal Focus Localization, Seizure Anticipation, and
K Lehnertz, RG Andrzejak, J Arnhold, T Kreuz, F Mormann, C Rieke, ...
Journal of Clinical Neurophysiology 18 (3), 209-222, 2001
Cross recurrence quantification for cover song identification
J Serra, X Serra, RG Andrzejak
New Journal of Physics 11 (9), 093017, 2009
Seizure prediction by nonlinear EEG analysis
K Lehnertz, F Mormann, T Kreuz, RG Andrzejak, C Rieke, P David, ...
IEEE Engineering in Medicine and Biology Magazine 22 (1), 57-63, 2003
The epileptic process as nonlinear deterministic dynamics in a stochastic environment: an evaluation on mesial temporal lobe epilepsy
RG Andrzejak, G Widman, K Lehnertz, C Rieke, P David, CE Elger
Epilepsy research 44 (2-3), 129-140, 2001
Testing the null hypothesis of the nonexistence of a preseizure state
RG Andrzejak, F Mormann, T Kreuz, C Rieke, A Kraskov, CE Elger, ...
Physical Review E 67 (1), 010901, 2003
Monitoring spike train synchrony
T Kreuz, D Chicharro, C Houghton, RG Andrzejak, F Mormann
Journal of Neurophysiology 109, 1457-1472, 2013
Bivariate surrogate techniques: necessity, strengths, and caveats
RG Andrzejak, A Kraskov, H Stögbauer, F Mormann, T Kreuz
Physical review E 68 (6), 066202, 2003
All together now: Analogies between chimera state collapses and epileptic seizures
RG Andrzejak, C Rummel, F Mormann, K Schindler
Scientific reports 6, 23000, 2016
Reliable detection of directional couplings using rank statistics
D Chicharro, RG Andrzejak
Physical Review E 80 (2), 026217, 2009
Detection of weak directional coupling: Phase-dynamics approach versus state-space approach
DA Smirnov, RG Andrzejak
Physical Review E 71 (3), 036207, 2005
Nonlinear EEG analysis and its potential role in epileptology
CE Elger, G Widman, R Andrzejak, J Arnhold, P David, K Lehnertz
Epilepsia 41, S34-S38, 2000
Seizure prediction: Any better than chance?
RG Andrzejak, D Chicharro, CE Elger, F Mormann
Clinical Neurophysiology 120 (8), 1465-1478, 2009
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