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Magdeburg - Hirakata

German - Japanese Collaboration in Computational Neuroscience

Testing computational models of learning from social, real, and fictive feedback in human and nonhuman primates
(funded by DFG and JST)

This collaborative research project aims to understand neural mechanisms underlying learning from real, fictive, and social feedback using combined behavioral, neuroimaging, electrophysiological, and computational modeling approaches.

The consortium will develop computational models of learning and decision making and test them in two biological systems, humans and macaques. The models shall account for the use of different sources of information on action outcomes to guide future behavior: feedback on real outcomes, fictive feedback on outcomes that would have been obtained had a different action been chosen, and observational feedback on action outcomes seen in other actors in social situations.

The project partners expect that the same computational principles apply for all information sources but that the learning parameters differ quantitatively between feedback type and species. Model fits to behavior and model-based analyses of neural data will reveal brain correlates of the computational variables. The partners furthermore expect to find anatomical and functional dissociations during monitoring of the different sources of feedback information and later convergence on a single mechanism implementing changes to future behavior.

Using complementary methods in two primate species will lead to better generalizability of the models, better understanding of underlying neural mechanisms, and mutually informed choice of recording sites and analysis.  


The following scientists take part in this collaboration:

  • Prof. Markus Ullsperger, Otto-von-Guericke-Universität Magdeburg
  • Prof. Masaki Isoda, Kansai Medical University, Hirakata, Japan


German Coordinator:

Prof. Markus Ullsperger

Otto-von-Guericke-Universität Magdeburg
Institut für Psychologie II
Abteilung für Neuropsychologie
Universitätsplatz 2, Gebäude 24
39106 Magdeburg

Tel.: +49 (0)391 67 18628