no code implementations • 15 Jul 2023 • Sahel Azizpour, Viola Priesemann, Johannes Zierenberg, Anna Levina
Tasks that require information about the world imply a trade-off between the time spent on observation and the variance of the response.
no code implementations • 3 Jun 2023 • Abdullah Makkeh, Marcel Graetz, Andreas C. Schneider, David A. Ehrlich, Viola Priesemann, Michael Wibral
Despite the impressive performance of biological and artificial networks, an intuitive understanding of how their local learning dynamics contribute to network-level task solutions remains a challenge to this date.
1 code implementation • 22 May 2023 • Lucas Rudelt, Daniel González Marx, F. Paul Spitzner, Benjamin Cramer, Johannes Zierenberg, Viola Priesemann
A core challenge for the brain is to process information across various timescales.
1 code implementation • 19 Jan 2023 • Sebastian Contreras, Karen Y. Oróstica, Anamaria Daza-Sanchez, Joel Wagner, Philipp Dönges, David Medina-Ortiz, Matias Jara, Ricardo Verdugo, Carlos Conca, Viola Priesemann, Álvaro Olivera-Nappa
Consequently, it is convenient for countries with comparatively few resources to operate at lower sequencing rates, thereby profiting the most from adaptive sampling.
2 code implementations • 18 Jan 2023 • Jonas Dehning, Sebastian B. Mohr, Sebastian Contreras, Philipp Dönges, Emil N. Iftekhar, Oliver Schulz, Philip Bechtle, Viola Priesemann
Large-scale events like the UEFA Euro~2020 football (soccer) championship offer a unique opportunity to quantify the impact of gatherings on the spread of COVID-19, as the number and dates of matches played by participating countries resembles a randomized study.
no code implementations • 11 Jan 2023 • Philipp Doenges, Thomas Götz, Tyll Krueger, Karol Niedzielewski, Viola Priesemann, Moritz Schaefer
In this setting, the basic reproduction number as well as prevalence and the peak of an infection wave in a population with given households size distribution can be computed analytically.
1 code implementation • 14 Dec 2022 • Armin Kekić, Jonas Dehning, Luigi Gresele, Julius von Kügelgen, Viola Priesemann, Bernhard Schölkopf
Early on during a pandemic, vaccine availability is limited, requiring prioritisation of different population groups.
1 code implementation • 21 Sep 2022 • David A. Ehrlich, Andreas C. Schneider, Viola Priesemann, Michael Wibral, Abdullah Makkeh
However, the specific way in which this mutual information about the classification label is distributed among the individual neurons is not well understood: While parts of it may only be obtainable from specific single neurons, other parts are carried redundantly or synergistically by multiple neurons.
no code implementations • 12 Sep 2022 • Anna Levina, Viola Priesemann, Johannes Zierenberg
However, despite the development of large-scale data-acquisition techniques, experimental observations are often limited to a tiny fraction of the system.
no code implementations • 17 Aug 2022 • Benjamin Cramer, Markus Kreft, Sebastian Billaudelle, Vitali Karasenko, Aron Leibfried, Eric Müller, Philipp Spilger, Johannes Weis, Johannes Schemmel, Miguel A. Muñoz, Viola Priesemann, Johannes Zierenberg
The extent of memory about past inputs is commonly quantified by the autocorrelation time of collective dynamics.
no code implementations • 21 May 2022 • Hideaki Yamamoto, F. Paul Spitzner, Taiki Takemuro, Victor Buendía, Carla Morante, Tomohiro Konno, Shigeo Sato, Ayumi Hirano-Iwata, Viola Priesemann, Miguel A. Muñoz, Johannes Zierenberg, Jordi Soriano
Brain functions require both segregated processing of information in specialized circuits, as well as integration across circuits to perform high-level information processing.
no code implementations • 20 May 2022 • Annika Hagemann, Marcel Stephan Kehl, Jonas Dehning, F. Paul Spitzner, Johannes Niediek, Michael Wibral, Florian Mormann, Viola Priesemann
Information processing in the brain requires integration of information over time.
no code implementations • 11 May 2022 • Fabian A. Mikulasch, Lucas Rudelt, Michael Wibral, Viola Priesemann
However, experimental evidence for error units, which are central to the theory, is inconclusive, and it remains unclear how hPC can be implemented with spiking neurons.
no code implementations • 21 Mar 2022 • Patricia Wollstadt, Daniel L. Rathbun, W. Martin Usrey and, André Moraes Bastos, Michael Lindner, Viola Priesemann, Michael Wibral
We demonstrate our approach by investigating two opposing accounts of predictive coding-like processing strategies, where we quantify the building blocks of predictive coding, namely predictability of inputs and transfer of information, by local active information storage and local transfer entropy.
1 code implementation • 22 Dec 2021 • Philipp Dönges, Joel Wagner, Sebastian Contreras, Emil Iftekhar, Simon Bauer, Sebastian B. Mohr, Jonas Dehning, André Calero Valdez, Mirjam Kretzschmar, Michael Mäs, Kai Nagel, Viola Priesemann
They are complemented by voluntary health-protective behaviour, building a complex interplay between risk perception, behaviour, and disease spread.
no code implementations • 10 Nov 2021 • Viola Priesemann, Eberhard Bodenschatz, Sandra Ciesek, Eva Grill, Emil N. Iftekhar, Christian Karagiannidis, André Karch, Mirjam Kretzschmar, Berit Lange, Sebastian A. Müller, Kai Nagel, Armin Nassehi, Mathias W. Pletz, Barbara Prainsack, Ulrike Protzer, Leif Erik Sander, Andreas Schuppert, Anita Schöbel, Klaus Überla, Carsten Watzl, Hajo Zeeb
In this position paper, a large group of interdisciplinary experts outlines response strategies against the spread of SARS-CoV-2 in the winter of 2021/2022 in Germany.
1 code implementation • 4 Oct 2021 • Sebastian Contreras, Philipp Dönges, Joel Wagner, Simon Bauer, Sebastian B. Mohr, Emil N. Iftekhar, Mirjam Kretzschmar, Michael Maes, Kai Nagel, André Calero Valdez, Viola Priesemann
Opinions, in turn, depend on information, e. g., about vaccine safety or current infection levels.
1 code implementation • 23 Aug 2021 • Karen Y. Oróstica, Sebastian Contreras, Sebastian B. Mohr, Jonas Dehning, Simon Bauer, David Medina-Ortiz, Emil N. Iftekhar, Karen Mujica, Paulo C. Covarrubias, Soledad Ulloa, Andrés E. Castillo, Ricardo A. Verdugo, Jorge Fernández, Álvaro Olivera-Nappa, Viola Priesemann
The emergence of SARS-CoV-2 variants of concern endangers the long-term control of COVID-19, especially in countries with limited genomic surveillance.
no code implementations • 4 Jul 2021 • Emil Nafis Iftekhar, Viola Priesemann, Rudi Balling, Simon Bauer, Philippe Beutels, André Calero Valdez, Sarah Cuschieri, Thomas Czypionka, Uga Dumpis, Enrico Glaab, Eva Grill, Claudia Hanson, Pirta Hotulainen, Peter Klimek, Mirjam Kretzschmar, Tyll Krüger, Jenny Krutzinna, Nicola Low, Helena Machado, Carlos Martins, Martin McKee, Sebastian Bernd Mohr, Armin Nassehi, Matjaž Perc, Elena Petelos, Martyn Pickersgill, Barbara Prainsack, Joacim Rocklöv, Eva Schernhammer, Anthony Staines, Ewa Szczurek, Sotirios Tsiodras, Steven Van Gucht, Peter Willeit
A moderate, adaptive level of NPIs will thus remain necessary.
no code implementations • 10 Mar 2021 • Simon Bauer, Sebastian Contreras, Jonas Dehning, Matthias Linden, Emil Iftekhar, Sebastian B. Mohr, Álvaro Olivera-Nappa, Viola Priesemann
However, as vaccination progresses, demands to lift restrictions increase, despite most of the population remaining susceptible.
no code implementations • 23 Nov 2020 • Sebastian Contreras, Jonas Dehning, Sebastian B. Mohr, Simon Bauer, F. Paul Spitzner, Viola Priesemann
The traditional long-term solutions for epidemic control involve eradication or population immunity.
no code implementations • 23 Oct 2020 • Fabian Alexander Mikulasch, Lucas Rudelt, Viola Priesemann
How can neural networks learn to efficiently represent complex and high-dimensional inputs via local plasticity mechanisms?
no code implementations • 22 Apr 2020 • Annika Hagemann, Jens Wilting, Bita Samimizad, Florian Mormann, Viola Priesemann
Epileptic seizures are characterized by abnormal and excessive neural activity, where cortical network dynamics seem to become unstable.
8 code implementations • 2 Apr 2020 • Jonas Dehning, Johannes Zierenberg, F. Paul Spitzner, Michael Wibral, Joao Pinheiro Neto, Michael Wilczek, Viola Priesemann
As COVID-19 is rapidly spreading across the globe, short-term modeling forecasts provide time-critical information for decisions on containment and mitigation strategies.
no code implementations • 22 Oct 2019 • Joao Pinheiro Neto, Franz Paul Spitzner, Viola Priesemann
To date, it is still impossible to sample the entire mammalian brain with single-neuron precision.
1 code implementation • 24 May 2019 • Johannes Zierenberg, Jens Wilting, Viola Priesemann, Anna Levina
The dynamic range of stimulus processing in living organisms is much larger than a single neural network can explain.
Disordered Systems and Neural Networks Neurons and Cognition
1 code implementation • 24 May 2019 • Johannes Zierenberg, Jens Wilting, Viola Priesemann, Anna Levina
Spreading processes are conventionally monitored on a macroscopic level by counting the number of incidences over time.
Neurons and Cognition Disordered Systems and Neural Networks Physics and Society