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Related Concept Videos

Brain Imaging01:14

Brain Imaging

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Brain imaging technologies provide critical insights into both the structure and function of the human brain, enabling medical professionals and researchers to diagnose, study, and treat neurological disorders or psychiatric disorders more effectively.
These technologies include computerized axial tomography (CAT or CT scans), positron-emission tomography (PET scans),  magnetic resonance imaging (MRI),  functional magnetic resonance imaging (fMRI), and Transcranial Magnetic...
219

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A Preclinical Model of Exertional Heat Stroke in Mice
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Altered static brain activity and functional connectivity after heat stroke.

Ting Yang1, Xinyu Hou1, Xu Li1

  • 1Department of Radiology, Yantai Affiliated Hospital of Binzhou Medical University.

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Summary
This summary is machine-generated.

Resting-state functional MRI reveals altered brain function in heat stroke survivors. Key brain regions show abnormal activity, correlating with clinical severity, aiding in disease evaluation.

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Area of Science:

  • Neuroscience
  • Medical Imaging
  • Clinical Neurology

Background:

  • Heat stroke can cause significant neurological damage.
  • Understanding post-heat stroke brain alterations is crucial for patient management.

Purpose of the Study:

  • To investigate brain function changes in heat stroke patients using resting-state functional MRI.
  • To correlate these brain function alterations with clinical outcomes.

Main Methods:

  • Resting-state functional MRI was used in 10 heat stroke patients and 10 controls.
  • Analysis included amplitude of low-frequency fluctuations (ALFF), degree centrality, and functional connectivity.
  • Correlation analyses were performed with clinical scales like the Glasgow Coma Scale (GCS).

Main Results:

  • Decreased brain activity was observed in the left cuneus and right angular gyrus.
  • Increased activity was noted in the right cerebellar_Crus1.
  • Functional connectivity analysis revealed decreased connectivity in regions including the bilateral lingual gyrus and bilateral posterior cingulate gyrus.
  • Right cerebellar_Crus1 activity and posterior cingulate gyrus connectivity positively correlated with GCS scores.

Conclusions:

  • Heat stroke survivors exhibit widespread abnormal brain function.
  • These neuroimaging findings have clinical significance for assessing disease severity.