From ions to electrons : physical models of brain circuits

Orateur : Prof. Karlheinz MEIER (Kirchhoff-Institut für Physik, Universität Heidelberg, Germany)

ILL Colloquium The human brain is a universe of 100 billion cells interacting through a constantly changing network of 1000 trillion synaptic connections. It runs on a power budget of 20 Watts and stores a rather complete model of our physical world. Understanding fundamental principles of the brain is among the key challenges for science. Traditional simulation approaches are mostly hindered by a huge energy gap of 14 orders of magnitude between supercomputer simulations and biological reality. In the lecture we will discuss our approach to build physical models of the brain as a tool for experimental tests of theories that attempt to describe the storage and processing of information in the brain. The lecture will focus on the method and recent results but also provide a short introduction to the work currently under way in the EU Human Brain Flagship Project.

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