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Physiological models in pharmacokinetics are instrumental in understanding the distribution and elimination of drugs within the body. These models describe the drug concentration within target organs, influenced by factors such as drug uptake, tissue volume, and blood flow. Drug uptake is governed by the partition coefficient, which signifies the drug concentration ratio in tissue to that in the blood. The blood flow rate to a specific tissue is expressed as Qt, and the rate of change in tissue...
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Updated: Mar 12, 2026

Optogenetic Entrainment of Hippocampal Theta Oscillations in Behaving Mice
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Modelling brain metabolism with interacting nonautonomous phase oscillators.

Samuel J K Barnes1, Anaí Echeverría1,2,3, Joshua Hawley1

  • 1Department of Physics, Lancaster University, Lancaster, United Kingdom.

Frontiers in Network Physiology
|March 11, 2026
PubMed
Summary
This summary is machine-generated.

This study introduces a new model for brain energy metabolism using coupled oscillators, highlighting metabolic synchrony

Keywords:
astrocytebraincoupled oscillatorsmetabolismnetwork physiologyneurovascular unitnonautonomous systemsphase dynamics

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Area of Science:

  • Neuroscience
  • Computational Biology
  • Systems Biology

Background:

  • Traditional brain models focus on electrical signaling, neglecting neurovascular unit metabolism.
  • Existing metabolic models are often too detailed and mass-based for open systems like the brain.

Purpose of the Study:

  • To present a novel phenomenological model for neuronal energy metabolism.
  • To explore the role of metabolic synchrony in neurovascular dynamics and dementia.

Main Methods:

  • Utilized a network of coupled Kuramoto oscillators to model metabolic processes.
  • Employed a nonautonomous phase dynamics framework to capture time-dependent interactions.

Main Results:

  • The model successfully captures key features of healthy neurovascular dynamics.
  • Demonstrated potential links between disrupted metabolic synchrony and dementia pathology.

Conclusions:

  • Metabolic coordination is crucial within the neurovascular unit.
  • The proposed model offers a versatile foundation for future brain modeling efforts.