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Modeling Brain Dysconnectivity in Rodents.

Alessandro Gozzi1, Valerio Zerbi2

  • 1Functional Neuroimaging Laboratory, Istituto Italiano di Tecnologia, Center for Neuroscience and Cognitive Systems, Rovereto, Italy.

Biological Psychiatry
|December 14, 2022
PubMed
Summary
This summary is machine-generated.

Rodent functional magnetic resonance imaging (fMRI) reveals key factors influencing brain network connectivity in psychiatric and neurological disorders. This research platform helps understand the biological basis of functional dysconnectivity in humans.

Keywords:
Brain dysconnectivityMultimodal imagingNetwork dysfunctionRodent fMRIRodent modelsRodent-human translation

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Area of Science:

  • Neuroscience
  • Neuroimaging
  • Psychiatry

Background:

  • Altered functional connectivity is a key feature of brain connectopathies in various neurological and psychiatric disorders.
  • The biological basis and significance of functional dysconnectivity remain largely unknown.
  • Rodent models offer a platform to investigate the determinants of brain network function.

Purpose of the Study:

  • To summarize the contributions of rodent functional magnetic resonance imaging (fMRI) to understanding network dysconnectivity.
  • To highlight the translational relevance of rodent fMRI for studying human brain disorders.
  • To explore how rodent fMRI can elucidate the causes and mechanisms of functional dysconnectivity.

Main Methods:

  • Utilizing MRI-based techniques for mapping brain function in rodents.
  • Comparing rodent and human fMRI network organization.
  • Employing perturbational techniques to study functional connectivity dynamics.

Main Results:

  • Rodent fMRI demonstrates significant correspondences with human fMRI network organization, validating its translational value.
  • This approach can help understand connectional heterogeneity in complex brain disorders.
  • Perturbational techniques reveal the causal role of neuromodulatory systems in network activity.

Conclusions:

  • Rodent fMRI is a powerful tool for uncovering the genetic, environmental, and cellular determinants of functional dysconnectivity.
  • This research platform advances the understanding of the biological underpinnings of brain connectopathies.
  • Rodent functional imaging is crucial for deciphering the causes and mechanisms of human functional dysconnectivity.