Ralf Engbert

Ralf Engbert, Prof. Dr. rer.nat.

Professor of Experimental and Biological Psychology


University Campus Golm
Bldg 14, Room 4.03
Karl-Liebknecht-Str. 24-25
14476 Potsdam, Germany


consulting hours
on appointment

Other Functions

Vice Dean for Young Scientists and Research
Chairperson of the Commission for Young Scientists and Research of the Faculty of Human Sciences
Member of the Senate Commission for Young Scientists and Research
Member of the Executive Board of CRC 1287 "Limits of variability in language"
Member of the Executive Board of CRC 1294 "Data assimilation"
Member of the Executive Committee of Research Focus "Cognitive Sciences"
Member of the Executive Committee of Research Focus "Data-Centric Sciences"


Dr. rer. nat. (1998, Department of Physics, University of Potsdam, Germany)
Dipl.-Physiker (1994, Department of Physics, RWTH Aachen, Germany)

Research Interests

Dynamical systems approach to cognition
Attention and eye movements
Biological and mathematical psychology

Research Projects

Project B03 of CRC 1294 (DFG): Parameter inference and model comparison in dynamical cognitive models (DFG, with Prof. Sebastian Reich)

Project B05 of CRC 1294 (DFG): Attention selection and recognition in scene viewing (DFG, with Prof. Tobias Scheffer)

Project B03 of CRC 1287 (DFG): Modelling the interaction between eye-movement control and parsing processes (DFG, with Prof. Shravan Vasishth)

Mobile eye tracking: Generalizability and limitations of the static scene viewing paradigm (DFG, Lead PI: Dr. Hans A. Trukenbrod)

Integration of oculomotor and cognitive-dynamical modeling of eye-movement control during reading (DFG)

The integration of early vision, saliency models, and eye-movement control: Experiments, modeling, and spatial statistics (DFG, with Prof. Felix A. Wichmann, Tübingen)

Foveal and peripheral influences on the control of gaze and attention during scene perception: Experiments and mathematical modeling (DFG, with Dr. Jochen Laubrock)




Engbert, R. (2021). Dynamical models in neurocognitive psychology. Springer Nature. https://doi.org/10.1007/978-3-030-67299-7

Journal Articles


Engbert, R.Rabe, M. M.Schwetlick, L., Seelig, S. A., Reich, S., & Vasishth, S. (2022). Data assimilation in dynamical cognitive science. Trends in Cognitive Sciences26(2), 99–102. https://doi.org/10.1016/j.tics.2021.11.006


Engbert, R.Rabe, M. M., Kliegl, R., & Reich, S. (2021). Sequential data assimilation of the stochastic SEIR epidemic model for regional COVID-19 dynamics. Bulletin of Mathematical Biology83, 1–16. https://doi.org/10.1007/s11538-020-00834-8. Online data available at https://doi.org/https://osf.io/7dshm/.

Paape, D., Vasishth, S., & Engbert, R. (2021). Does local coherence lead to targeted regressions and illusions of grammaticality? Open Mind, 42–58. https://doi.org/10.1162/opmi_a_00041

Rabe, M. M., Chandra, J., Krügel, A., Seelig, S. A., Vasishth, S., & Engbert, R. (2021). A Bayesian approach to dynamical modeling of eye-movement control in reading of normal, mirrored, and scrambled texts. Psychological Review128, 803–823. https://doi.org/10.1037/rev0000268. Online data available at https://doi.org/10.17605/osf.io/t9sbf.

Seelig, S. A., Risse, S., & Engbert, R. (2021). Predictive modeling of parafoveal information processing during reading. Scientific Reports11(12954), 1–9. https://doi.org/10.1038/s41598-021-92140-z. Online data available at https://doi.org/https://osf.io/kz483/.


Backhaus, D.Engbert, R., Rothkegel, L. O. M., & Trukenbrod, H. A. (2020). Task-dependence in scene perception: Head unrestrained viewing using mobile eye-tracking. Journal of Vision20(5):3, 1–21. https://doi.org/10.1167/jov.20.5.3

Cajar, A.Engbert, R., & Laubrock, J. (2020). How spatial frequencies and color drive object search in real-world scenes: A new eye-movement corpus. Journal of Vision20(7):8, 1–16. https://doi.org/10.1167/jov.20.7.8. Online data available at https://doi.org/10.17605/OSF.IO/JQ56S.

Chandra, J., Krügel, A., & Engbert, R. (2020). Modulation of oculomotor control during reading of mirrored and inverted texts. Scientific Reports10(1), 1–15. https://doi.org/10.1038/s41598-020-60833-6. Online data available at https://doi.org/https://osf.io/bmvrx/.

Krügel, A., Rothkegel, L., & Engbert, R. (2020). No exception from bayes’ rule: The presence and absence of the range effect for saccades explained. Journal of Vision20(7), 15. https://doi.org/10.1167/jov.20.7.15

Malem-Shinitski, N., Opper, M., Reich, S., Schwetlick, L., Seelig, S. A., & Engbert, R. (2020). A mathematical model of local and global attention in natural scene viewing. PLOS Computational Biology16(12), 1–21. https://doi.org/10.1371/journal.pcbi.1007880

Schwetlick, L., Rothkegel, L. O. M., Trukenbrod, H. A., & Engbert, R. (2020). Modeling the effects of perisaccadic attention on gaze statistics during scene viewing. Communications Biology3, 1–11. https://doi.org/10.1038/s42003-020-01429-8

Seelig, S. A., Rabe, M. M., Malem-Shinitski, N., Risse, S., Reich, S., & Engbert, R. (2020). Bayesian parameter estimation for the SWIFT model of eye-movement control during reading. Journal of Mathematical Psychology95https://doi.org/10.1016/j.jmp.2019.102313. Online data available at https://doi.org/10.17605/OSF.IO/XDKWQ.


Chandra, J., Krügel, A., & Engbert, R. (2019). Experimental test of Bayesian saccade targeting under reversed reading direction. Attention, Perception, & Psychophysicshttps://doi.org/10.3758/s13414-019-01814-4

Rothkegel, L. O. M., Schütt, H. H., Trukenbrod, H. A., Wichmann, F. A., & Engbert, R. (2019). Searchers adjust their eye-movement dynamics to target characteristics in natural scenes. Scientific Reports9(1), 1635. https://doi.org/10.1038/s41598-018-37548-w. Online data available at https://doi.org/10.17605/OSF.IO/CAQT2.

Schütt, H. H., Rothkegel, L. O. M., Trukenbrod, H. A., Engbert, R., & Wichmann, F. A. (2019). Disentangling bottom-up versus top-down and low-level versus high-level influences on eye movements over time. Journal of Vision19(3):1, 1–23. https://doi.org/10.1167/19.3.1. Online data available at https://doi.org/10.17605/OSF.IO/N3BYQ.

Trukenbrod, H. A., Barthelmé, S., Wichmann, F. A., & Engbert, R. (2019). Spatial statistics for gaze patterns in scene viewing: Effects of repeated viewing. Journal of Vision19(6):5, 1–19. https://doi.org/10.1167/19.6.5


Herrmann, C. J. J., Metzler, R., & Engbert, R. (2017). A self-avoiding walk with neural delays as a model of fixational eye movements. Scientific Reports7(1), 12958. https://doi.org/10.1038/s41598-017-13489-8

Laubrock, J., Engbert, R., & Cajar, A. (2017). Gaze-contingent manipulation of the FVF demonstrates the importance of fixation duration for explaining search behavior. Behavioral and Brain Sciences40, e144. https://doi.org/10.1017/S0140525X16000145

Meyberg, S., Sinn, P., Engbert, R., & Sommer, W. (2017). Revising the link between microsaccades and the spatial cueing of voluntary attention. Vision Research133, 47–60. https://doi.org/10.1016/j.visres.2017.01.001

Rothkegel, L. O. M., Trukenbrod, H. A., Schütt, H. H., Wichmann, F. A., & Engbert, R. (2017). Temporal evolution of the central fixation bias in scene viewing. Journal of Vision17(13):3, 1–18. https://doi.org/10.1167/17.13.3

Schütt, H. H., Rothkegel, L. O. M., Trukenbrod, H. A., Reich, S., Wichmann, F. A., & Engbert, R. (2017). Likelihood-based parameter estimation and comparison of dynamical cognitive models. Psychological Review124(4), 505–524. https://doi.org/10.1037/rev0000068


Cajar, A.Engbert, R., & Laubrock, J. (2016). Spatial frequency processing in the central and peripheral visual field during scene viewing. Vision Research127, 186–197. https://doi.org/10.1016/j.visres.2016.05.008

Cajar, A., Schneeweiß, P., Engbert, R., & Laubrock, J. (2016). Coupling of attention and saccades when viewing scenes with central and peripheral degradation. Journal of Vision16(2):8, 1–19. https://doi.org/10.1167/16.2.8

Nuthmann, A., Vitu, F., Engbert, R., & Kliegl, R. (2016). No evidence for a saccadic range effect for visually guided and memory-guided saccades in simple saccade-targeting tasks. PLOS ONE11(9), 1–27. https://doi.org/10.1371/journal.pone.0162449

Ohl, S., Wohltat, C., Kliegl, R., Pollatos, O., & Engbert, R. (2016). Microsaccades are coupled to heartbeat. Journal of Neuroscience36(4), 1237–1241. https://doi.org/10.1523/JNEUROSCI.2211-15.2016

Rothkegel, L. O., Trukenbrod, H. A., Schütt, H. H., Wichmann, F. A., & Engbert, R. (2016). Influence of initial fixation position in scene viewing. Vision Research129, 33–49. https://doi.org/10.1016/j.visres.2016.09.012

Sinn, P., & Engbert, R. (2016). Small saccades versus microsaccades: Experimental distinction and model-based unification [Fixational eye movements and perception]. Vision Research118, 132–143. https://doi.org/10.1016/j.visres.2015.05.012


Engbert, R., Trukenbrod, H. A., Barthelmé, S., & Wichmann, F. A. (2015). Spatial statistics and attentional dynamics in scene viewing. Journal of Vision15(1):14, 1–17. https://doi.org/10.1167/15.1.14

Klein, A. I., Krügel, A., Risse, S., Esser, G., Engbert, R., & Pereira, V. W. (2015). O processamento da anáfora pronominal em crianças com transtorno de déficit de atenção e hiperatividade e em crianças disléxicas: Um estudo através da análise dos movimentos oculares. Letras de Hoje50(1), 40–48. https://doi.org/10.15448/1984-7726.2015.1.18406

Warschburger, P., Calvano, C., Richter, E. M., & Engbert, R. (2015). Analysis of attentional bias towards attractive and unattractive body regions among overweight males and females: An eye-movement study. PLOS ONE10(10), 1–17. https://doi.org/10.1371/journal.pone.0140813


Krügel, A., & Engbert, R. (2014). A model of saccadic landing positions in reading under the influence of sensory noise. Visual Cognition22(3), 334–353. https://doi.org/10.1080/13506285.2014.894166

Risse, S., Hohenstein, S., Kliegl, R., & Engbert, R. (2014). A theoretical analysis of the perceptual span based on SWIFT simulations of the n + 2 boundary paradigm. Visual Cognition22(3), 283–308. https://doi.org/10.1080/13506285.2014.881444

Trukenbrod, H. A., & Engbert, R. (2014). ICAT: A computational model for the adaptive control of fixation durations. Psychonomic Bulletin & Review21(4), 907–934. https://doi.org/10.3758/s13423-013-0575-0

Widmann, A., Engbert, R., & Schröger, E. (2014). Microsaccadic responses indicate fast categorization of sounds: A novel approach to study auditory cognition. Journal of Neuroscience34(33), 11152–11158. https://doi.org/10.1523/JNEUROSCI.1568-14.2014


Barthelmé, S., Trukenbrod, H. A., Engbert, R., & Wichmann, F. (2013). Modeling fixation locations using spatial point processes. Journal of Vision13(12):1, 1–34. https://doi.org/10.1167/13.12.1

Engelmann, F., Vasishth, S., Engbert, R., & Kliegl, R. (2013). A framework for modeling the interaction of syntactic processing and eye movement control. Topics in Cognitive Science5(3), 452–474. https://doi.org/10.1111/tops.12026

Lange, E. B., & Engbert, R. (2013). Differentiating between verbal and spatial encoding using eye-movement recordings [PMID: 23472620]. The Quarterly Journal of Experimental Psychology66(9), 1840–1857. https://doi.org/10.1080/17470218.2013.772214

Laubrock, J., Cajar, A., & Engbert, R. (2013). Control of fixation duration during scene viewing by interaction of foveal and peripheral processing. Journal of Vision13(12):11, 1–20. https://doi.org/10.1167/13.12.11


Bettenbühl, M., Rusconi, M., Engbert, R., & Holschneider, M. (2012). Bayesian selection of Markov models for symbol sequences: Application to microsaccadic eye movements [e43388]. PLOS ONE7(9), 1–10. https://doi.org/10.1371/journal.pone.0043388

Engbert, R. (2012). Computational modeling of collicular integration of perceptual responses and attention in microsaccades. Journal of Neuroscience32(23), 8035–8039. https://doi.org/10.1523/JNEUROSCI.0808-12.2012

Krügel, A., Vitu, F., & Engbert, R. (2012). A single space makes a large difference: Fixation positions after skipping saccades. Attention, Perception, & Psychophysics74(8), 1556–1561. https://doi.org/10.3758/s13414-012-0365-1

Lange, E. B., Starzynski, C., & Engbert, R. (2012). Capture of the gaze does not capture the mind. Attention, Perception, & Psychophysics74(6), 1168–1182. https://doi.org/10.3758/s13414-012-0318-8

Makarava, N., Bettenbühl, M., Engbert, R., & Holschneider, M. (2012). Bayesian estimation of the scaling parameter of fixational eye movements. Europhysics Letters100, 40003: 1–6. https://doi.org/10.1209/0295-5075/100/40003

Schad, D. J., & Engbert, R. (2012). The zoom lens of attention: Simulating shuffled versus normal text reading using the SWIFT model. Visual Cognition20(4-5), 391–421. https://doi.org/10.1080/13506285.2012.670143

Schad, D. J., Nuthmann, A., & Engbert, R. (2012). Your mind wanders weakly, your mind wanders deeply: Objective measures reveal mindless reading at different levels. Cognition125(2), 179–194. https://doi.org/10.1016/j.cognition.2012.07.004

Trukenbrod, H. A., & Engbert, R. (2012). Eye movements in a sequential scanning task: Evidence for distributed processing. Journal of Vision12(1):5, 1–12. https://doi.org/10.1167/12.1.5


Engbert, R., Mergenthaler, K., Sinn, P., & Pikovsky, A. (2011). An integrated model of fixational eye movements and microsaccades. Proceedings of the National Academy of Sciences108(39), E765–E770. https://doi.org/10.1073/pnas.1102730108

Sinn, P., & Engbert, R. (2011). Saccadic facilitation by modulation of microsaccades in natural backgrounds. Attention, Perception, & Psychophysics73(4), 1029–1033. https://doi.org/10.3758/s13414-011-0107-9


Bettenbühl, M., Paladini, C., Mergenthaler, K., Kliegl, R., Engbert, R., & Holschneider, M. (2010). Microsaccade characterization using the continuous wavelet transform and principal component analysis. Journal of Eye Movement Research3(5):1, 1–14. https://doi.org/10.16910/jemr.3.5.1

Engbert, R., & Krügel, A. (2010). Readers use Bayesian estimation for eye movement control. Psychological Science21(3), 366–371. https://doi.org/10.1177/0956797610362060

Krügel, A., & Engbert, R. (2010). On the launch-site effect for skipped words during reading. Vision Research50(16), 1532–1539. https://doi.org/10.1016/j.visres.2010.05.009

Laubrock, J., Kliegl, R., Rolfs, M., & Engbert, R. (2010). When do microsaccades follow spatial attention? Attention, Perception, & Psychophysics72(3), 683–694. https://doi.org/10.3758/APP.72.3.683

Mergenthaler, K., & Engbert, R. (2010). Microsaccades are different from saccades in scene perception. Experimental Brain Research203(4), 753–757. https://doi.org/10.1007/s00221-010-2272-9

Nuthmann, A., Smith, T. J., Engbert, R., & Henderson, J. M. (2010). CRISP: A computational model of fixation durations in scene viewing. Psychological Review117(2), 382–405. https://doi.org/10.1037/a0018924

Schad, D. J., Nuthmann, A., & Engbert, R. (2010). Eye movements during reading of randomly shuffled text [Vision Research Reviews]. Vision Research50(23), 2600–2616. https://doi.org/10.1016/j.visres.2010.08.005


Nuthmann, A., & Engbert, R. (2009). Mindless reading revisited: An analysis based on the SWIFT model of eye-movement control. Vision Research49(3), 322–336. https://doi.org/10.1016/j.visres.2008.10.022

Romano, M. C., Thiel, M., Kurths, J., Mergenthaler, K., & Engbert, R. (2009). Hypothesis test for synchronization: Twin surrogates revisited. Chaos: An Interdisciplinary Journal of Nonlinear Science19(1), 015108. https://doi.org/10.1063/1.3072784

Starzynski, C., & Engbert, R. (2009). Noise-enhanced target discrimination under the influence of fixational eye movements and external noise. Chaos: An Interdisciplinary Journal of Nonlinear Science19(1), 015112. https://doi.org/10.1063/1.3098950


Baptista, M. S., Bohn, C., Kliegl, R., Engbert, R., & Kurths, J. (2008). Reconstruction of eye movements during blinks. Chaos: An Interdisciplinary Journal of Nonlinear Science18(1), 013126. https://doi.org/10.1063/1.2890843

Engbert, R., & Nuthmann, A. (2008). Self-consistent estimation of mislocated fixations during reading. PLOS ONE3(2), 1–6. https://doi.org/10.1371/journal.pone.0001534

Kliegl, R., Rolfs, M., Laubrock, J., & Engbert, R. (2008). Microsaccadic modulation of response times in spatial attention tasks. Psychological Research73(2), 136–146. https://doi.org/10.1007/s00426-008-0202-2

Laubrock, J., Engbert, R., & Kliegl, R. (2008). Fixational eye movements predict the perceived direction of ambiguous apparent motion. Journal of Vision8(14):13, 1–17. https://doi.org/10.1167/8.14.13

Moshel, S., Zivotofsky, A. Z., Jin-Rong, L., Engbert, R., Kurths, J., Kliegl, R., & Havlin, S. (2008). Persistence and phase synchronisation properties of fixational eye movements. The European Physical Journal Special Topics161(1), 207–223. https://doi.org/10.1140/epjst/e2008-00762-3

Rolfs, M., Kliegl, R., & Engbert, R. (2008). Toward a model of microsaccade generation: The case of microsaccadic inhibition. Journal of Vision8(11):5, 1–23. https://doi.org/10.1167/8.11.5


Laubrock, J., Engbert, R., Rolfs, M., & Kliegl, R. (2007). Microsaccades are an index of covert attention: Commentary on Horowitz, Fine, Fencsik, Yurgenson, and Wolfe (2007). Psychological Science18(4), 364–366. https://doi.org/10.1111/j.1467-9280.2007.01904.x

Mergenthaler, K., & Engbert, R. (2007). Modeling the control of fixational eye movements with neurophysiological delays. Physical Review Letters98, 138104. https://doi.org/10.1103/PhysRevLett.98.138104

Nuthmann, A., Engbert, R., & Kliegl, R. (2007). The IOVP effect in mindless reading: Experiment and modeling. Vision Research47(7), 990–1002. https://doi.org/10.1016/j.visres.2006.11.005

Trukenbrod, H. A., & Engbert, R. (2007). Oculomotor control in a sequential search task. Vision Research47(18), 2426–2443. https://doi.org/10.1016/j.visres.2007.05.010


Engbert, R. (2006a). Flick-induced flips in perception. Neuron49(2), 168–170. https://doi.org/10.1016/j.neuron.2006.01.005

Engbert, R. (2006b). Microsaccades: A microcosm for research on oculomotor control, attention, and visual perception. Progress in Brain Research154(Part A), 177–192. https://doi.org/10.1016/S0079-6123(06)54009-9

Engbert, R., & Mergenthaler, K. (2006). Microsaccades are triggered by low retinal image slip. Proceedings of the National Academy of Sciences103(18), 7192–7197. https://doi.org/10.1073/pnas.0509557103

Kliegl, R., Nuthmann, A., & Engbert, R. (2006). Tracking the mind during reading: The influence of past, present, and future words on fixation durations. Journal of Experimental Psychology: General135(1), 12–35. https://doi.org/10.1037/0096-3445.135.1.12

Laubrock, J., Kliegl, R., & Engbert, R. (2006). SWIFT explorations of age differences in eye movements during reading [Methodological and Conceptual Advances in the Study of Brain-Behavior Dynamics: A Multivariate Lifespan Perspective]. Neuroscience & Biobehavioral Reviews30(6), 872–884. https://doi.org/10.1016/j.neubiorev.2006.06.013

Richter, E., Engbert, R., & Kliegl, R. (2006). Current advances in SWIFT [Models of Eye-Movement Control in Reading]. Cognitive Systems Research7(1), 23–33. https://doi.org/10.1016/j.cogsys.2005.07.003


Engbert, R., Nuthmann, A., Richter, E. M., & Kliegl, R. (2005). SWIFT: A dynamical model of saccade generation during reading. Psychological Review112(4), 777–813. https://doi.org/10.1037/0033-295X.112.4.777

Kliegl, R., & Engbert, R. (2005). Fixation durations before word skipping in reading. Psychonomic Bulletin & Review12(1), 132–138. https://doi.org/10.3758/BF03196358

Laubrock, J., Engbert, R., & Kliegl, R. (2005). Microsaccade dynamics during covert attention. Vision Research45(6), 721–730. https://doi.org/10.1016/j.visres.2004.09.029

Liang, J.-R., Moshel, S., Zivotofsky, A. Z., Caspi, A., Engbert, R., Kliegl, R., & Havlin, S. (2005). Scaling of horizontal and vertical fixational eye movements. Physical Review E71, 031909. https://doi.org/10.1103/PhysRevE.71.031909

Moshel, S., Liang, J., Caspi, A., Engbert, R., Kliegl, R., Havlin, S., & Zivotofsky, A. Z. (2005). Phase-synchronization decay of fixational eye movements. Annals of the New York Academy of Sciences1039(1), 484–488. https://doi.org/10.1196/annals.1325.050

Nuthmann, A., Engbert, R., & Kliegl, R. (2005). Mislocated fixations during reading and the inverted optimal viewing position effect. Vision Research45(17), 2201–2217. https://doi.org/10.1016/j.visres.2005.02.014

Rolfs, M., Engbert, R., & Kliegl, R. (2005). Crossmodal coupling of oculomotor control and spatial attention in vision and audition. Experimental Brain Research166(3), 427–439. https://doi.org/10.1007/s00221-005-2382-y


Engbert, R., Kliegl, R., & Longtin, A. (2004). Complexity of eye movemens in reading. International Journal of Bifurcation and Chaos14(2), 493–503. https://doi.org/10.1142/S0218127404009491

Engbert, R., & Kliegl, R. (2004). Microsaccades keep the eyes’ balance during fixation. Psychological Science15(6), 431–431. https://doi.org/10.1111/j.0956-7976.2004.00697.x

Kliegl, R., Grabner, E., Rolfs, M., & Engbert, R. (2004). Length, frequency, and predictability effects of words on eye movements in reading. European Journal of Cognitive Psychology16(1-2), 262–284. https://doi.org/10.1080/09541440340000213

Rolfs, M., Engbert, R., & Kliegl, R. (2004). Microsaccade orientation supports attentional enhancement opposite a peripheral cue: Commentary on Tse, Sheinberg, and Logothetis (2003). Psychological Science15(10), 705–707. https://doi.org/10.1111/j.0956-7976.2004.00744.x


Engbert, R., & Kliegl, R. (2003c). The game of word skipping: Who are the competitors? Behavioral and Brain Sciences26(4), 481–482. https://doi.org/10.1017/S0140525X03270102

Engbert, R., & Kliegl, R. (2003d). Microsaccades uncover the orientation of covert attention. Vision Research43(9), 1035–1045. https://doi.org/10.1016/S0042-6989(03)00084-1

Engbert, R., & Kliegl, R. (2003e). Noise-enhanced performance in reading. Neurocomputing50, 473–478. https://doi.org/10.1016/S0925-2312(01)00711-1

Kliegl, R., & Engbert, R. (2003). How tight is the link between lexical processing and saccade programs? Behavioral and Brain Sciences26(4), 491–492. https://doi.org/10.1017/S0140525X03360108


Engbert, R. (2002). Testing for nonlinearity: The role of surrogate data. Chaos, Solitons & Fractals13(1), 79–84. https://doi.org/10.1016/S0960-0779(00)00236-8

Engbert, R., Krampe, R. T., Kurths, J., & Kliegl, R. (2002). Synchronizing movements with the metronome: Nonlinear error correction and unstable periodic orbits. Brain and Cognition48(1), 107–116. https://doi.org/10.1006/brcg.2001.1307

Engbert, R., Longtin, A., & Kliegl, R. (2002). A dynamical model of saccade generation in reading based on spatially distributed lexical processing. Vision Research42(5), 621–636. https://doi.org/10.1016/S0042-6989(01)00301-7

Krampe, R. T., Engbert, R., & Kliegl, R. (2002a). The effects of expertise and age on rhythm production: Adaptations to timing and sequencing constraints. Brain and Cognition48(1), 179–194. https://doi.org/10.1006/brcg.2001.1312


Engbert, R., & Kliegl, R. (2001). Mathematical models of eye movements in reading: A possible role for autonomous saccades. Biological Cybernetics85(2), 77–87. https://doi.org/10.1007/PL00008001

Krampe, R. T., Engbert, R., & Kliegl, R. (2001). Age-specific problems in rhythmic timing. Psychology and Aging16(1), 12–30. https://doi.org/10.1037/0882-7974.16.1.12


Krampe, R. T., Kliegl, R., Mayr, U., Engbert, R., & Vorberg, D. (2000). The fast and the slow of skilled bimanual rhythm production: Parallel versus integrated timing. Journal of Experimental Psychology: Human Perception and Performance26(1), 206–233. https://doi.org/10.1037/0882-7974.16.1.12


Zöller, G., Engbert, R., Hainzl, S., & Kurths, J. (1998). Testing for unstable periodic orbits to characterize spatiotemporal dynamics. Chaos, Solitons & Fractals9, 1429–1438. https://doi.org/10.1016/S0960-0779(98)00074-5


Engbert, R., Scheffczyk, C., Krampe, R. T., Rosenblum, M., Kurths, J., & Kliegl, R. (1997). Tempo-induced transitions in polyrhythmic hand movements. Physical Review E56, 5823–5833. https://doi.org/10.1103/PhysRevE.56.5823

Engbert, R., Schiek, M., Scheffczyk, C., Kurths, J., Krampe, R., Kliegl, R., & Drepper, F. (1997). Symbolic dynamics of physiological synchronization: Examples from bimanual movements and cardiorespiratory interaction [Proceedings of the Second World Congress of Nonlinear Analysts]. Nonlinear Analysis: Theory, Methods & Applications30(2), 973–984. https://doi.org/10.1016/S0362-546X(96)00137-X

Scheffczyk, C., Zaikin, A., Rosenblum, M., Engbert, R., Krampe, R., & Kurths, J. (1997). Modeling qualitative changes in bimanual movements. International Journal of Bifurcation and Chaos7(6), 1441–1450. https://doi.org/10.1142/S0218127497001163


Drepper, F., Engbert, R., & Stollenwerk, N. (1994). Nonlinear time series analysis of empirical population dynamics [State-of-the-Art in Ecological Modelling proceedings of ISEM’s 8th International Conference]. Ecological Modelling75-76, 171–181. https://doi.org/10.1016/0304-3800(94)90016-7

Engbert, R., & Drepper, F. (1994). Chance and chaos in population biology—models of recurrent epidemics and food chain dynamics. Chaos, Solitons & Fractals4(7), 1147–1169. https://doi.org/10.1016/0960-0779(94)90028-0

Book Chapters


Kliegl, R., & Engbert, R. (2013). Evaluating a computational model of eye-movement control during reading. In U. Gähde, S. Hartmann, & J. H. Wolf (Eds.), Models, simulations, and the reduction of complexity (pp. 153–178). DeGruyter.


Engbert, R., & Kliegl, R. (2011). Parallel graded attention models of reading. In S. P. Liversedge, I. D. Gilchrist, & S. Everling (Eds.), Oxford handbook of eye movements (pp. 787–800). Oxford: Oxford University Press.


Risse, S., Engbert, R., & Kliegl, R. (2008). Eye-movement control in reading: Experimental and corpus-analytical challenges for a computational model. In K. Rayner, D. Shen, X. Bai, & G. Yan (Eds.), Cognitive and cultural influences on eye movements (pp. 65–91). Tianjin People’s Publishing House.


Nuthmann, A., Engbert, R., & Kliegl, R. (2006). Messung von Blickbewegungen. In J. Funke & P. A. Frensch (Eds.), Handbuch der Allgemeinen Psychologie: Kognition (pp. 705–711). Hogrefe.

Romano, M. C., Thiel, M., Kurths, J., Rolfs, J., Engbert, R., & Kliegl, R. (2006). Synchronization analysis and recurrence in complex systems. In M. Winterhalder, B. Schelter, & J. Timmer (Eds.), Handbook of time series analysis (pp. 231–264). Wiley-VCH.


Krampe, R. T., & Engbert, R. (2005). Produktion und Synchronisation von Rhythmen. In T. H. Stoffer & R. Oerter (Eds.), Enzyklopädie der Psychologie, D. Vol. VII: Allgemeine Musikpsychologie: Allgemeinpsychologische Grundlagen musikalischen Handelns (pp. 483–536). Hogrefe.


Engbert, R., & Kliegl, R. (2003a). Binocular coordination in microsaccades. In J. Hyönä, R. Radach, & H. Deubel (Eds.), The mind’s eyes: Cognitive and applied aspects of eye movements (pp. 103–117). Elsevier.

Engbert, R., & Kliegl, R. (2003b). SWIFT explorations. In J. Hyönä, R. Radach, & H. Deubel (Eds.), The mind’s eyes: Cognitive and applied aspects of eye movements (pp. 391–411). Elsevier.


Krampe, R., Engbert, R., Kliegl, R., & Kurths, J. (2000). Koordination und Synchronisation der Hände beim rhythmischen Timing. In K. Müller & G. Aschersleben (Eds.), Rhythmus. Ein interdisziplinäres Handbuch (pp. 163–183). Huber.


Engbert, R., Scheffczyk, C., Krampe, R. T., Kurths, J., & Kliegl, R. (1998). Symbolic dynamics of bimanual production of polyrhythms. In H. Kantz, J. Kurths, & G. Mayer-Kress (Eds.), Nonlinear analysis of physiological data (pp. 271–282). Springer.

Schiek, M., Drepper, F. R., Engbert, R., Abel, H. H., & Suder, K. (1998). Cardiorespiratory synchronization. In H. Kantz, J. Kurths, & G. Mayer-Kress (Eds.), Nonlinear analysis of physiological data (pp. 191–209). Springer.


Kurths, J., Schwarz, U., Scheffczyk, C., Engbert, R., Rosenblum, M., Kliegl, R., & Krampe, R. (1995). Complexity in cognitive processes. In G. E. Lasker & G. L. Farre (Eds.), Advances in synergetics, systems research on emergence, volume II. The International Institute For Advanced Studies In Systems Research; Cybernetics.


Engbert, R., & Drepper, F. R. (1994). Qualitative analysis of unpredictability: A case study from childhood epidemics. In J. Grasman & G. van Straten (Eds.), Predictability and nonlinear modelling in natural sciences and economics (pp. 204–215). Kluwer.

Conference Proceedings


Trukenbrod, H. A., Barthelmé, S., Wichmann, F., & Engbert, R. (2013). Using spatial statistics to investigate within-trial correlations of human gaze positions. In D. T. Pfeiffer & D. K. Essig (Eds.), Proceedings of the First International Workshop on Solutions for Automatic Gaze-Data Analysis. SAGA 2013. https://doi.org/10.2390/biecoll-saga2013_5


Engbert, R., Nuthmann, A., & Kliegl, R. (2007). An iterative algorithm for the estimation of the distribution of mislocated fixations during reading. In R. P. G. van Gompel, M. H. Fischer, W. S. Murray, & R. L. Hill (Eds.), Eye movements: A window on mind and brain (pp. 319–337). Elsevier Science.


Engbert, R., Scheffczyk, C., Kurths, J., Krampe, R., & R., K. (1996). Nonlinear phenomena in polyrhythmic hand movements. In R. G. Harrison, W. Lu, L. Ditto, M. Pecora, & S. Spano (Eds.), Proceedings of the 3rd Experimental Chaos Conference. World Scientific.

Scheffczyk, C., Engbert, R., Krampe, R. T., Kurths, J., Rosenblum, M., & Zaikin, A. (1996). Nonlinear modelling of polyrhythmic hand movements. Proceedings of the 10th Nordic-Baltic Conference on Biomedical Engineering34(Suppl. 1, Part 1).



Engbert, R. (1998). Nichtlineare Dynamik kognitiv-motorischer Prozesse: Tempoinduzierte Übergänge bei der Produktion von Polyrhythmen (Doctoral dissertation). Universität Potsdam. https://nbn-resolving.org/urn:nbn:de:kobv:517-0000157


Engbert, R. (1993). Chance and chaos in seasonally driven epidemics (Master’s thesis). Forschungszentrum Jülich. Jülich, Forschungszentrum, Zentralbibliothek. https://julib.fz-juelich.de/vufind/Record/293826

Edited Special Issue


Krampe, R. T., Engbert, R., & Kliegl, R. (2002b). Representational models and nonlinear dynamics: Irreconcilable approaches to human movement timing and coordination or two sides of the same coin? introduction to the special issue on movement timing and coordination. https://doi.org/10.1006/brcg.2001.1300