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Exploring Multiscale Neural Dynamics for Cognitive Architectures

Delve into the complexities of brain network dynamics and cognitive functions through session discussions on cortical oscillations, neural population dynamics, and multisensory cognitive architectures.

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Exploring Multiscale Neural Dynamics for Cognitive Architectures

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  1. Session II Michael Breakspear: Bifurcations and Multiscale Cascades in Cortical Dynamics Mitsuo Kawato: Towards Manipulative Neuroscience Based on Brain Network Interface Roger Traub: Gap Junctions and Cortical Oscillations Gustavo Deco: Competition and Cooperation Mechanisms in Neural and Cortical Dynamics: Attention, Memory and Decision-Making Multiscale interactions and neuronal mass modeling Chair: Viktor Jirsa

  2. Key Issue Given a large-scale distributed anatomical architecture composed of functionally differentiated areas, how can a spatiotemporal network dynamics arise that is capable of capturing detailed cognitive architectures and dynamics? Foci of this session • Neuronal population dynamics (local) • Functionally relevant large-scale network dynamics (global)

  3. Low-dimensional description of population dynamics Anatomical and functional architectures based on a distributed population variable (x,t) Local architectures: Can we substitute the detailed neuronal dynamics Q(t) by a lower-dimensional population variable such as a field (x,t) ? Assisi et al PRL (2005) Cortical architectures with intra- and inter-areal connections

  4. Functionally meaningful large-scale network dynamics (global) Functional architectures: Multisensory - Dhamala et al (2006) Auditory Streaming - Almonte et al. (2006)

  5. Pitch Difference Functional architecture from brain imaging data implies cognitive architecture Foreground-background separation in auditory scenes gives rise to perceptual integration (Auditory Streaming) Cognitive architectures: Multisensory - Dhamala et al (2006) Auditory Streaming - Almonte et al. Physica D (2005)

  6. Session II Michael Breakspear: Bifurcations and Multiscale Cascades in Cortical Dynamics Mitsuo Kawato: Towards Manipulative Neuroscience Based on Brain Network Interface Roger Traub: Gap Junctions and Cortical Oscillations Gustavo Deco: Competition and Cooperation Mechanisms in Neural and Cortical Dynamics: Attention, Memory and Decision-Making Multiscale interactions and neuronal mass modeling Chair: Viktor Jirsa

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