TU Berlin

Collaborative Research Center 910B8

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B8: Dynamics and control of inter-areal brain networks

Principal investigator:

Prof. Dr. Klaus Obermayer

Project summary:

We will study models of inter-areal brain networks whose topology is constrained by data from human
imaging studies. Delay-coupled network nodes will be equipped with (1) simplified dynamical systems
(Hopf normal forms & FitzHugh-Nagumo models) and (2) biophysically calibrated neural mass models
both including noise. Dynamics will be controlled through coupling terms describing the influence of
external electric fields on the neuronal dynamics. We will characterize the dynamical states of the
network and will design feedback control schemes for stabilizing or switching between states. Results
will shed light on the controllability of high-dimensional states in heterogeneous networks and will lead
to a better understanding of the impact of non-invasive brain stimulation on global brain activity.

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