Friday, July 12, 2013

[Comp-neuro] kindly announce this workshop/special issue which will take place next Wednesday (new version sorry)

Dear List managers
Kindly could you announce the next workshop/special issue which will take place next week? Thank you very much!

Workshop Metastable Dynamics of Neural Ensembles, CNS 2013, July 17, 2013

Organizers: Emili Balaguer-Ballester and Gustavo Deco

Is the traditional view on brain activity dynamics, in which the cognitive flow of information wanders through multiple stable states, still a robust model? This picture has been recently challenged both empirically and from the modelling perspective.

In this workshop we will address a range of recent complementary views of cortical activity dynamics. In several contemporary models, intrinsic activity fluctuations drive default transitions between metastable states shaped by anatomical connectivity, even in the absence of external stimuli. Noise enriches the dynamical repertoire of deterministic states; creating flexible "ghost" attractors which permit the effective processing of task-related cognitive entities. Another proposed metaphor of transient brain dynamics consisted of successions of metastable states; dynamical objects which are particularly reliable but form which neural activity eventually switches among them, even without the substantial intervention of noise.

During the workshop we will discuss modelling and empirical studies which focus on metastable activity dynamics, transient dynamics during cognitive processing, observed neural variability, emergent patterns of activity and brain complexity among other fascinating topics.
The workshop will take place on the 17th of July.

You are welcome to submit your studies (regular research papers, hypothesis, methods, mini reviews) to a special topic in Frontiers of Systems Neuroscience connected to this workshop:


.9:25 Welcome
.9:30 Daniel Durstewitz, Bernstein-Center for Computational Neuroscience, Central Institute of Mental Health, Medical Faculty Mannheim/ Heidelberg University: Highly Chaotic Yet Ordered: Cortical Dynamics as Stochastic Transitions Among Semi-Attracting States

.10:00 Pablo Varona: Models and novel experimental tools to address information processing in transient neural dynamics

.10:30 Coffee break

.10:45 Ruben Moreno-Bote, Foundation Sant Joan de Déu, Barcelona: Poisson-like spiking and contrast invariant sampling in multi-stable networks with probabilistic synapses

.11:15 Gustavo Deco, University Pompeu Fabra, Barcelona: The link between Structure and Dynamics in Whole Brain Models

.11:45 Short discussion

.13:30 Marcello Massimini, Department of Clinical Sciences "Luigi Sacco", University of Milan: Consciousness and brain complexity: from theory to practice

.14:00 Mavi Sanchez-Vives, IDIBAPS, Barcelona: Organization of emergent patterns of activity in control and altered cortical networks

.14:30 Coffee break

.14:45 Maurizio Mattia, Instituto Superiore di Sanitá, Rome: Multiscale nonlinear dynamics of slow oscillations across cortical surface

.15:15 Emili Balaguer-Ballester, Bournemouth University and Bernstein Centre for Computational Neuroscience Heidelberg-Mannheim: Can we Identify Latent Non-Stationary Dynamics in Neural Populations?

.15:40 Short Symposium

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