Giacomo Barzon

Giacomo Barzon

Postdoctoral researcher at the Padova Neuroscience Center

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Structural Foundations of Brain Criticality: Unraveling the Influence of the Human Connectome

Published:

Understanding the complex dynamics of the brain is a fascinating and challenging endeavor. In recent years, the brain criticality hypothesis has emerged as a promising framework to shed light on the relationship between brain structure and function. Computational models tuned at criticality have played a crucial role in bridging this gap. In this talk, our focus is on a cellular automata model proposed to explain criticality in the brain. We analytically characterize the model and reveal that in the mean field limit, it exhibits a bistability. This finding underscores the significance of the underlying empirical connectome as a key ingredient for the emergence of criticality. Furthermore, we explore the practical implications of this model by applying it to stroke patients. Previous results have demonstrated a correlation between the loss of cognitive features and the decline in criticality. Interestingly, we observe that the topological dimension of the connectome serves as a predictive factor for such loss of criticality. This finding suggests that the organization and structure of the brain’s connectivity play a pivotal role in maintaining critical dynamics and cognitive function.

teaching

Teaching experience 1

Undergraduate course, University 1, Department, 2014

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Teaching experience 2

Workshop, University 1, Department, 2015

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