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Autonomic function and brain volume.

Juan M Racosta1,2, Kurt Kimpinski3,4

  • 1Department of Clinical Neurological Sciences, London Health Sciences Centre, University Hospital, London, ON, Canada. juanracosta@hotmail.com.

Clinical Autonomic Research : Official Journal of the Clinical Autonomic Research Society
|August 29, 2016
PubMed
Summary

The autonomic nervous system influences brain volume through its control of cerebral blood flow. Further research is needed to understand its role in neurodegeneration and conditions like multiple sclerosis.

Keywords:
Autonomic dysfunctionAutonomic innervationBrain vesselsBrain volumeCerebral blood volume

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Area of Science:

  • Neuroscience
  • Autonomic Nervous System Research
  • Brain Imaging and Analysis

Background:

  • Brain volume is a critical indicator of neurological health and neurodegeneration.
  • The autonomic nervous system (ANS) plays a vital role in regulating physiological processes.
  • Understanding the ANS's impact on brain structure is crucial for diagnosing and treating neurological disorders.

Purpose of the Study:

  • To review existing evidence on the autonomic nervous system's role in determining brain volume.
  • To explore the anatomical and physiological connections between autonomic innervation and brain volume.
  • To investigate these relationships across various clinical populations.

Main Methods:

  • An integrative review of scientific literature.
  • Focus on publications detailing brain autonomic innervation.
  • Analysis of data from diverse clinical populations concerning brain volume.

Main Results:

  • Changes in brain volume are influenced by multiple factors.
  • Autonomic nervous system regulation of cerebral blood volume is a significant area of interest.
  • Evidence suggests a link between autonomic innervation of cerebral vessels and brain volume fluctuations.

Conclusions:

  • Autonomic innervation of brain vessels may influence cerebral blood volume dynamics.
  • Further research is necessary to elucidate the specific contributions of parenchymal versus vascular changes to brain volume.
  • Investigating populations such as those with multiple sclerosis is recommended to clarify these roles.