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Modeling the functional network for spatial navigation in the human brain

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Pu,  Yi       
Department of Neuroscience, Max Planck Institute for Empirical Aesthetics, Max Planck Society;

Kong,  Xiang-Zhen
Department of Psychiatry of Sir Run Run Shaw Hospital, Zhejiang University School of Medicine;
Department of Neuroscience, Max Planck Institute for Empirical Aesthetics, Max Planck Society;

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Citation

Zhang, F., Zhang, C., Pu, Y., & Kong, X.-Z. (2023). Modeling the functional network for spatial navigation in the human brain. JoVE journal: Neuroscience, e65150. doi:10.3791/65150.


Cite as: https://hdl.handle.net/21.11116/0000-000E-3AAC-0
Abstract
Spatial navigation is a complex function involving the integration and manipulation of multisensory information. Using different navigation tasks, many promising results have been achieved on the specific functions of various brain regions (e.g., hippocampus, entorhinal cortex, and parahippocampal place area). Recently, it has been suggested that a non-aggregate network process involving multiple interacting brain regions may better characterize the neural basis of this complex function. This paper presents an integrative approach for constructing and analyzing the functionally-specific network for spatial navigation in the human brain. Briefly, this integrative approach consists of three major steps: 1) to identify brain regions important for spatial navigation (nodes definition); 2) to estimate functional connectivity between each pair of these regions and construct the connectivity matrix (network construction); 3) to investigate the topological properties (e.g., modularity and small worldness) of the resulting network (network analysis). The presented approach, from a network perspective, could help us better understand how our brain supports flexible navigation in complex and dynamic environments, and the revealed topological properties of the network can also provide important biomarkers for guiding early identification and diagnosis of Alzheimer's disease in clinical practice.