Skip to main content

Beruflicher Werdegang

  • Studium der Biologie und der Mathematik an der Albert-Ludwigs-Universität Freiburg. Magister Scientiarum (M.Sc.) und dem 1. Staatsexamen als Abschluss in 1998.
  • 2002 Promotion in Neurobiologie an der Albert-Ludwigs-Universität Freiburg mit dem Thema: „Wahrnehmungswechsel bei mehrdeutigen Bildern – EEG-Messungen zum Zeitverlauf neuronaler Mechanismen“.
  • 2002–2008 Postdoc in der Sektion Funktionelle Sehforschung der Universitäts-Augenklinik Freiburg.
  • 2004–2008 Stellvertretender Leiter der Sektion Funktionelle Sehforschung der Universitäts-Augenklinik Freiburg.
  • 2008 Rückkehr ans IGPP als wissenschaftlicher Mitarbeiter.
  • 2013 Habilitation in Neurobiologie an der Albert-Ludwigs-Universität Freiburg mit dem Thema: “Ambiguous Figures – What happens in the brain when perception changes but not the stimulus?”.
  • Seit 2013 Privatdozent an der Fakultät für Biologie der Universität Freiburg und Koordinator der Forschungsgruppe „Wahrnehmung und Kognition“.
  • Seit 07.2022 Direktor des IGPP.

Arbeitsgebiete / Forschungsinteressen

Visuelle Wahrnehmung, perzeptuellen und mentalen Instabilitäten und deren neuronale Korrelate, veränderte Bewusstseinszustände, Bewusstsein und das psychophysische Problem, Lernen und Gedächtnis.

Publikationen

Zeitschriftenartikel

Mozhdehfarahbakhsh, A., Freitag, S., Kornmeier, J., Wittmann, M., & Wilson, M. (submitted). Looking Forward, Looking Back: A Confirmatory Study of Affective
Priming and Event-Related Potentials.

Friedel, E. B. N., Beringer, M., Endres, D., Runge, K., Maier, S., Küchlin, S., Kornmeier, J., Domschke, K., Heinrich, S. P., Tebartz Van Elst, L., & Nickel, K. (2025). Optical coherence tomography in patients with major depressive disorder. BMC Psychiatry, 25(1), 356. https://doi.org/10.1186/s12888-025-06775-7

Wilson, M., Wittmann, M., & Kornmeier, J. (2025). Behavioural and EEG correlates of forward and backward priming—An exploratory study. PLOS One, 20(5), e0322930. https://doi.org/10.1371/journal.pone.0322930

Friedel, E. B. N., Tebartz Van Elst, L., Beringer, M., Endres, D., Runge, K., Maier, S., Kornmeier, J., Bach, M., Domschke, K., Heinrich, S. P., & Nickel, K. (2024). Reduced contrast sensitivity, pattern electroretinogram ratio, and diminished a-wave amplitude in patients with major depressive disorder. European Archives of Psychiatry and Clinical Neuroscience, 275, 1151–1163. https://doi.org/10.1007/s00406-024-01826-8

Mozhdehfarahbakhsh, A., Hecker, L., Joos, E., & Kornmeier, J. (2024). Visual imagination can influence visual perception – towards an experimental paradigm to measure imagination. Scientific Reports14(1), Article 24486. https://doi.org/10.1038/s41598-024-74693-x

Wilson, M., Joos, E., Giersch, A., Bonnefond, A., Tebartz Van Elst, L., Hecker, L., & Kornmeier, J. (2024). Do smaller P300 amplitudes in schizophrenia result from larger variability in temporal processing? Schizophrenia10(1), Article 104. https://doi.org/10.1038/s41537-024-00519-4

Al-Nosairy, K. O., Quanz, E. V., Eick, C. M., Hoffmann, M. B., & Kornmeier, J. (2023). Altered Perception of the Bistable Motion Quartet in Albinism. Investigative Opthalmology & Visual Science64(14), Article 14. https://doi.org/10.1167/iovs.64.14.39

Hecker, L., Tebartz Van Elst, L., & Kornmeier, J. (2023). Source localization using recursively applied and projected MUSIC with flexible extent estimation. Frontiers in Neuroscience17, 1170862. https://doi.org/10.3389/fnins.2023.1170862

Knötzele, J., Riemann, D., Frase, L., Feige, B., Van Elst, L. T., & Kornmeier, J. (2023). Presenting rose odor during learning, sleep and retrieval helps to improve memory consolidation: A real-life study. Scientific Reports13(1), Article 1. https://doi.org/10.1038/s41598-023-28676-z

Wilson, M., Hecker, L., Joos, E., Aertsen, A., Tebartz Van Elst, L., & Kornmeier, J. (2023). Spontaneous Necker-cube reversals may not be that spontaneous. Frontiers in Human Neuroscience17, 1179081. https://doi.org/10.3389/fnhum.2023.1179081

Costa, R. M., Campos, P., Wiborg, M., Rebôlo, C., Wittmann, M., & Kornmeier, J. (2022). Prevalence of visual snow and relation to attentional absorption. PLOS ONE17(11), Article 11. https://doi.org/10.1371/journal.pone.0276971

Friedel, E. B. N., Hahn, H.-T., Maier, S., Küchlin, S., Reich, M., Runge, K., Bach, M., Heinrich, S. P., Kornmeier, J., Endres, D., Ebert, D., Domschke, K., Tebartz Van Elst, L., & Nickel, K. (2022). Structural and functional retinal alterations in patients with paranoid schizophrenia. Translational Psychiatry12(1), Article 1. https://doi.org/10.1038/s41398-022-02167-7

Friedel, E. B. N., Tebartz Van Elst, L., Schäfer, M., Maier, S., Runge, K., Küchlin, S., Reich, M., Lagrèze, W. A., Kornmeier, J., Ebert, D., Endres, D., Domschke, K., & Nickel, K. (2022). Retinal Thinning in Adults with Autism Spectrum Disorder. Journal of Autism and Developmental Disordershttps://doi.org/10.1007/s10803-022-05882-8

Hecker, L., Wilson, M., Tebartz van Elst, L., & Kornmeier, J. (2022). Altered EEG variability on different time scales in participants with autism spectrum disorder: An exploratory study. Scientific Reports12(1), Article 1. https://doi.org/10.1038/s41598-022-17304-x

Kornmeier, J., Sosic-Vasic, Z., & Joos, E. (2022). Spacing learning units affects both learning and forgetting. Trends in Neuroscience and Education26, 100173. https://doi.org/10.1016/j.tine.2022.100173

Friedel, E. B. N., Tebartz Van Elst, L., Schmelz, C., Ebert, D., Maier, S., Endres, D., Runge, K., Domschke, K., Bubl, E., Kornmeier, J., Bach, M., Heinrich, S. P., & Nickel, K. (2021). Replication of Reduced Pattern Electroretinogram Amplitudes in Depression With Improved Recording Parameters. Frontiers in Medicine8, 732222. https://doi.org/10.3389/fmed.2021.732222

Hecker, L., Rupprecht, R., Tebartz Van Elst, L., & Kornmeier, J. (2021). ConvDip: A Convolutional Neural Network for Better EEG Source Imaging. Frontiers in Neuroscience15, 569918. https://doi.org/10.3389/fnins.2021.569918

Kornmeier, J., Bhatia, K., & Joos, E. (2021). Top-down resolution of visual ambiguity – knowledge from the future or footprints from the past? PLOS ONE16(10), Article 10. https://doi.org/10.1371/journal.pone.0258667

Joos, E., Giersch, A., Bhatia, K., Heinrich, S. P., Tebartz van Elst, L., & Kornmeier, J. (2020). Using the perceptual past to predict the perceptual future influences the perceived present – A novel ERP paradigm. PLOS ONE15(9), Article 9. https://doi.org/10.1371/journal.pone.0237663

Joos, E., Giersch, A., Hecker, L., Schipp, J., Heinrich, S. P., Elst, L. T. van, & Kornmeier, J. (2020). Large EEG amplitude effects are highly similar across Necker cube, smiley, and abstract stimuli. PLOS ONE15(5), Article 5. https://doi.org/10.1371/journal.pone.0232928

Neumann, F., Oberhauser, V., & Kornmeier, J. (2020). How odor cues help to optimize learning during sleep in a real life-setting. Scientific Reports10(1), Article 1. https://doi.org/10.1038/s41598-020-57613-7

Staadt, R., Philipp, S. T., Cremers, J. L., Kornmeier, J., & Jancke, D. (2020). Perception of the difference between past and present stimulus: A rare orientation illusion may indicate incidental access to prediction error-like signals. PLOS ONE15(5), Article 5. https://doi.org/10.1371/journal.pone.0232349

Kornmeier, J., Friedel, Evelyn., Hecker, L., Schmidt, S., & Wittmann, M. (2019). What happens in the brain of meditators when perception changes but not the stimulus? PLOS ONE14(10), Article 10. https://doi.org/10.1371/journal.pone.0223843

Liaci, E., Fischer, A., Atmanspacher, H., Heinrichs, M., Tebartz van Elst, L., & Kornmeier, J. (2018). Positive and Negative Hysteresis Effects for the Perception of Geometric and Emotional Ambiguities. PLOS ONE13(9), Article 9. https://doi.org/10.1371/journal.pone.0202398

Sosic-Vasic, Z., Hille, K., Kröner, J., Spitzer, M., & Kornmeier, J. (2018). When Learning Disturbs Memory – Temporal Profile of Retroactive Interference of Learning on Memory Formation. Frontiers in Psychology9https://doi.org/10.3389/fpsyg.2018.00082

Kornmeier, J., Friedel, E., Wittmann, M., & Atmanspacher, H. (2017). EEG correlates of cognitive time scales in the Necker-Zeno model for bistable perception. Consciousness and Cognition53, 136–150. https://doi.org/10.1016/j.concog.2017.04.011

Kornmeier, J., Wörner, R., Riedel, A., & Tebartz van Elst, L. (2017). A different view on the Necker cube—Differences in multistable perception dynamics between Asperger and non-Asperger observers. PLOS ONE12(12), Article 12. https://doi.org/10.1371/journal.pone.0189197

Liaci, E., Fischer, A., Heinrichs, M., Tebartz van Elst, L., & Kornmeier, J. (2017). Mona Lisa is always happy – and only sometimes sad. Scientific Reports7, 43511. https://doi.org/10.1038/srep43511

Duval, C. Z., Goumon, Y., Kemmel, V., Kornmeier, J., Dufour, A., Andlauer, O., Vidailhet, P., Poisbeau, P., Salvat, E., Muller, A., Mensah-Nyagan, A. G., Schmidt-Mutter, C., & Giersch, A. (2016). Neurophysiological responses to unpleasant stimuli (acute electrical stimulations and emotional pictures) are increased in patients with schizophrenia. Scientific Reports6, 22542. https://doi.org/10.1038/srep22542

Kornmeier, J., Wörner, R., & Bach, M. (2016). Can I trust in what I see? – EEG Evidence for a Cognitive Evaluation of Perceptual Constructs. Psychophysiology53, 1507–1523. https://doi.org/10.1111/psyp.12702

Liaci, E., Bach, M., Tebartz van Elst, L., Heinrich, S. P., & Kornmeier, J. (2016). Ambiguity in Tactile Apparent Motion Perception. PLOS ONE11(5), Article 5. https://doi.org/10.1371/journal.pone.0152736

Wernery, J., Atmanspacher, H., Kornmeier, J., Candia, V., Folkers, G., & Wittmann, M. (2015). Temporal processing in bistable perception of the Necker cube. Perception44(2), Article 2. https://doi.org/10.1068/p7780

Kornmeier, J., & Bach, M. (2014). EEG correlates of perceptual reversals in Boring’s ambiguous old/young woman stimulus. Perception43(9), Article 9. https://doi.org/10.1068/p7741

Kornmeier, J., & Mayer, G. (2014). The alien in the forest OR when temporal context dominates perception. Perception43(11), Article 11. https://doi.org/10.1068/p7844

Kornmeier, J., Spitzer, M., & Sosic-Vasic, Z. (2014). Very similar spacing-effect patterns in very different learning/practice domains. PLoS One9(3), Article 3. https://doi.org/10.1371/journal.pone.0090656

Kornmeier, J., Wörner, R., Riedel, A., Bach, M., & Tebartz van Elst, L. (2014). A Different View on the Checkerboard? Alterations in Early and Late Visually Evoked EEG Potentials in Asperger Observers. PLoS ONE9(3), Article 3. https://doi.org/10.1371/journal.pone.0090993

Mayer, G., & Kornmeier, J. (2014). Rätselhafte Objekte auf den Bildern einer Wildkamera oder: Die Tücken der Wahrnehmung. Zeitschrift für Anomalistik14, 7–24.

O’Shea, R. P., Kornmeier, J., & Roeber, U. (2013). Predicting visual consciousness electrophysiologically from intermittent binocular rivalry. PLoS ONE8(10), Article 10. https://doi.org/10.1371/journal.pone.0076134

Kornmeier, J., & Bach, M. (2012). Ambiguous figures – what happens in the brain when perception changes but not the stimulus. Frontiers in Human Neuroscience6(51), Article 51. https://doi.org/10.3389/fnhum.2012.00051

Kornmeier, J., & Sosic-Vasic, Z. (2012). Parallels between spacing effects during behavioral and cellular learning. Front Hum Neurosci6, 203. https://doi.org/10.3389/fnhum.2012.00203

Ehm, W., Bach, M., & Kornmeier, J. (2011). Ambiguous figures and binding: EEG frequency modulations during multistable perception. Psychophysiology48(4), Article 4. https://doi.org/10.1111/j.1469-8986.2010.01087.x

Kornmeier, J., Pfaffle, M., & Bach, M. (2011). Necker cube: Stimulus-related (low-level) and percept-related (high-level) EEG signatures early in occipital cortex. J Vis11(9), Article 9. https://doi.org/10.1167/11.9.12

Kornmeier, J., & Sosic-Vasic, Z. (2011). Hirngymnastik nach Plan – Gibt es ein Trainingsprogramm für effizientes Lernen? Nervenheilkunde8, 613–620.

Ehm, W., Kornmeier, J., & Heinrich, S. P. (2010). Multiple testing along a tree. Electronic Journal of Statistics4(none), Article none. https://doi.org/10.1214/09-EJS496

Kornmeier, J., & Bach, M. (2009). Object perception: When our brain is impressed but we do not notice it. Journal of Vision9(1), Article 1. https://doi.org/10.1167/9.1.7

Kornmeier, J., Hein, C. M., & Bach, M. (2009). Multistable perception: When bottom-up and top-down coincide. Brain and Cognition69(1), Article 1. https://doi.org/10.1016/j.bandc.2008.06.005

Atmanspacher, H., Bach, M., Filk, T., Kornmeier, J., & Römer, H. (2008). Cognitive Time Scales in a Necker-Zeno Model for Bistable Perception. The Open Cybernetics and Systemics Journal2, 234–251. https://doi.org/10.2174/1874110X00802010234

Kornmeier, J., Ehm, W., Bigalke, H., & Bach, M. (2007). Discontinuous presentation of ambiguous figures: How interstimulus-interval durations affect reversal dynamics and ERPs. Psychophysiology44(4), Article 4. https://doi.org/10.1111/j.1469-8986.2007.00525.x

Kornmeier, J., & Bach, M. (2006). Bistable perception—Along the processing chain from ambiguous visual input to a stable percept. Int J Psychophysiol62(2), Article 2. https://doi.org/10.1016/j.ijpsycho.2006.04.007

Kornmeier, J., & Bach, M. (2005). The Necker cube – an ambiguous figure disambiguated in early visual processing. Vision Res45, 955–960. https://doi.org/10.1016/j.visres.2004.10.006

Kornmeier, J., & Bach, M. (2004). Early neural activity in Necker-cube reversal: Evidence for low-level processing of a gestalt phenomenon. Psychophysiology41, 1–8. https://doi.org/10.1016/j.visres.2004.10.006

Kornmeier, J., Bach, M., & Atmanspacher, H. (2004). Correlates of perspective instabilities in visually evoked potentials. Int. J. Bifurcat. Chaos14(2), Article 2. https://doi.org/10.1142/S0218127404009430

Buchbeiträge

Kornmeier, J. (2020). Wahrnehmungsforschung und das psychophysische Problem. In D. Vaitl (Hrsg.), An den Grenzen unseres Wissens: Von der Faszination des Paranormalen (S. 153–173). Herder Verlag.

Ehm, W., Bach, M., & Kornmeier, J. (2010). Variability in gamma activity during observation of ambiguous figures. In A. Bastianelli & G. Vidotto (Hrsg.), Fechner Day 2010 (S. 439–444). International Society for Psychophysics.

Lehre

Vorlesungen und EEG-Praktikum im Modul Kognitive Neurowissenschaften der Masterstudiengänge Neurowissenschaften und Biologie

Beitrag im Kurs: “Consciousness, the psycho-physical problem and exceptional experiences” des University College Freiburg

Mitgliedschaften