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Dr. Dr. Moritz Köster

Cross-Cultural Developmental Psychology


Habelschwerdter Allee 45
Room JK24/134
14195 Berlin

Professional Appointments



since 2017

Research Scientist, Post Doc

Freie Universität Berlin


Research Scientist, PhD Student

Westfälischen Wilhelms-Universität Münster


Research Fellow

Technische Universität Kaiserslautern


Lab Manager

Universität Osnabrück




PhD in Psychology (Dr. phil., summa cum laude), Universität Osnabrück


PhD in Psychology (Dr. rer. nat., summa cum laude), Universität Münster


Diploma in Psychology (with distinction), Universität Osnabrück


Bachelor in Cognitive Science (with distinction), Universität Osnabrück


  • Seminar: Culture and cognitive development


  • Seminar: Development of Prosocial Behavior

  • Experimental Seminar: Development of Visual Attention


  • Seminar: Development of Memory in Early Childhood

Supervision of Bachlor and Master Thesis

  • Teaching and learning of visual attention

  • Development and socialization of prosociality and morality

  • Memory development

  • Social learning from a cross-cultural perspective (Methods: cross-cultural comparisons, eye-tracking, EEG)
  • Neural rhythms in the developing human brain (Methods: EEG, rhythmic perceptual entrainment)
  • Cognitive and motivational underpinnings of early helping behavior (Methods: cross-cultural comparisons, eye-tracking)

2021 & in press

Köster, M., Langeloh, M., Michel, C., & Höhl, S. (in press). Young infants process prediction errors at the theta rhythm. Neuroimage. doi.org/10.1016/j.neuroimage.2021.118074

Köster, M., Langeloh, M., Kliesch, C., Kanngiesser, P.*, & Höhl, S.* (2021). The value of subsequent memory paradigms in uncovering neural mechanisms of early social learning. Neuroimage. doi.org/10.1016/j.neuroimage.2021.117978


Köster, M., Kayhan, E., Langeloh, M., & Höhl, S. (2020) Making Sense of the World – Infant Learning from a Predictive Processing Perspective. Perspectives on Psychological Science. doi.org/10.1177/1745691619895071

Köster, M., Langeloh, M., Kliesch, C., Kanngiesser, P.*, & Höhl, S.* (2020). Motor cortex activity during action observation predicts subsequent action imitation in human infants. Neuroimage. doi.org/10.1016/j.neuroimage.2020.116958

Köster, M., Goeke, C., Bonkoch-Goeke, E., Hoffmann, T., & Kaspar, K. (2020). Auditory information support the learning transfer from L2 to L3 tonal languages. Current Psychology.  doi.org/10.1007/s12144-018-9792-z

Köster, M., Yovsi, R., & Kärtner, J. (in press). Cross-Cultural Differences in the Generation of Novel Ideas in Middle Childhood. Frontiers in Psychology. doi.org/10.3389/fpsyg.2020.01829

Mavridis, P., Kärtner, J., Cavalcante, L., Resende, B., Schuhmacher, N., & Köster, M. (in press) The Development of Context-sensitive Attention in Urban and Rural Brazil. Frontiers in Psychology. doi.org/10.3389/fpsyg.2020.01623

Jurkat, S., Köster, M., Yovsi, R., & Kärtner, J. (in press) The development of context-sensitive attention across cultures - the impact of stimulus familiarity. Frontiers in Psychology. doi.org/10.3389/fpsyg.2020.01526

Haun, D.*, Liebal, K.*, Amici, F., Bender, A., Bohn, M., Bräuer, J., Buttelmann, D., Burkart, J., Cacchione, T., Detroy, S., Faßbender, I., Fichtel, C., Fischer, J., Gampe, A., Gray, R., Horn, L., Ona, L., Kärtner, J., Kaminski, J., Kanngießer, P., Keller, H., Köster, M., Kopp, K., Kornadt, K., Rakoczy, H., Schuppli, C., Stengelin, R., Trommsdorff, G., Van Leeuwen, E., Van Schaik, C. (2020) Ein Plädoyer für die Relevanz der Vergleichenden Psychologie für das Verständnis menschlicher Entwicklung. Psychologische Rundschau. doi.org/10.1026/0033-3042/a000467


Köster, M.*, Langeloh, M.*, & Höhl, S. (2019) Visually entrained theta oscillations increase for unexpected events in the infant brain. Psychological Science.  doi.org/10.1177/0956797619876260

Köster, M., Martens, U., & Gruber, T. (2019). Memory entrainment by visually evoked theta-gamma coupling. Neuroimage. doi.org/10.1016/j.neuroimage.2018.12.002

Köster, M., & Kärtner, J. (2019). Why do infants help? A simple action reveals a complex phenomenon. Developmental Review. doi.org/10.1016/j.dr.2018.11.004

Köster, M., Itakura, S., Omori, M., & Kärtner, J. (2019). From understanding others’ needs to prosocial action: Motor and social abilities promote infants’ helping. Developmental Science. doi.org/10.1111/desc.12804

Dworazik, N., Kärtner, J., Lange, L., & Köster, M. (2019) Young children respond to moral dilemma like their mothers. Frontiers in Psychology. doi.org/10.3389/fpsyg.2019.02683

Schuhmacher, N., Köster, M., & Kärtner, J. (2019). Modeling prosocial behavior increases helping in 16-month-olds. Child Development. doi.org/10.1111/cdev.13054


Köster, M.*, Finger, H.*, Graetz, S., Kater, M., & Gruber, T. (2018). Theta-gamma coupling binds visual perceptual features in an associative memory task. Scientific Reports.doi.org/10.1038/s41598-018-35812-7

Köster, M., & Kärtner, J. (2018). Context-sensitive attention is socialized via a verbal route in the parent-child interaction. PLoS ONE. doi.org/10.1371/journal.pone.0207113

Köster, M., Itakura, S., Yovsi, R., & Kärtner, J. (2018). Visual attention in 5-year-olds from three different cultures. PLoS ONE.  doi.org/10.1371/journal.pone.0200239

Fonseca, B., Cavalcante, L., Kärtner, J., & Köster, M. (2018). Maternal socialization goals and the spontaneous prosocial behavior of children in rural contexts. Psychology: Research and Review   doi.org/10.1186/s41155-018-0108-x

Schöne, B., Köster, M., & Gruber, T. (2018). Coherence in general and personal semantic knowledge. Experimental Brain Researchdoi.org/10.1007/s00221-018-5324-1

Kruger, D.J., Köster, M., Nedelec, J.L., & Murphy, S.F. (2018). A life history framework advances the understanding of intentions for police cooperation. Evolutionary Behavioral Sciences.  doi.org/10.1037/ebs0000109


Köster, M., Castel, J., Gruber, T., & Kärtner, J. (2017). Visual cortical networks align with behavioral measures of context-sensitivity in early childhood. Neuroimage.  doi.org/10.1016/j.neuroimage.2017.08.008

Köster, M., Haese, A., Czernochowski, D. (2017). Neuronal oscillations reveal the processes underlying intentional compared to incidental learning in children and young adults. PLoS ONE.  doi.org/10.1371/journal.pone.0182540

Köster, M., Finger, H., Kater, M., Schenk, C., & Gruber, T. (2017). Neuronal oscillations indicate sleep-dependent changes in the cortical memory trace. Journal of Cognitive Neuroscience.  doi.org/10.1162/jocn_a_01071


Köster, M., Cavalcante, L., Carvalho, R., & Resende, B. D., Kärtner, J. (2016). Cultural Influences on Toddlers’ Prosocial Behavior: How Maternal Task Assignment Relates to Helping Others. Child Development.  doi.org/10.1111/cdev.12636

Köster, M. (2016) What about microsaccades in the EEG of infants? Proceedings of the Royal Society B: Biological Sciences.  doi.org/10.1098/rspb.2016.0739

Köster, M., Ohmer, X., Nguyen, T. D., Kärtner, J. (2016) Infants understand others’ needs. Psychological Science.  doi.org/10.1177/0956797615627426


Köster, M., Schumacher, N., & Kärtner, J. (2015) A Cultural Perspective on Prosocial Development. Human Ethology Bulletin  link

Goeke, C., Gramann, K., Kornpetpanee, S., Köster, M., Revelles, F. & König, P. (2015). Cultural background shapes spatial reference frame proclivity. Scientific Reports.  doi.org/10.1038/srep11426

Köster, M., Rüth, M., Hamborg, K.-C., Kaspar, K. (2015). Effects of personalized banner ads on visual attention and recognition memory. Applied Cognitive Psychology.  doi.org/10.1002/acp.3080

2014 & 2013

Köster, M.*, Friese, U.*, Schöne, B., Trujillo-Barreto, N., & Gruber , T. (2014). Theta-gamma coupling during episodic retrieval in the human EEG. Brain Research.  doi.org/10.1016/j.brainres.2014.06.028

Friese, U.*, Köster, M.*, Hassler, U., Martens, U., Barreto, N. T., & Gruber, T. (2013). Successful memory encoding is associated with increased cross-frequency coupling between frontal theta and posterior gamma oscillations in human scalp-recorded EEG. Neuroimage.  doi.org/10.1016/j.neuroimage.2012.11.002

* Joint first/last authors