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Related Experiment Video

Updated: Aug 30, 2025

Brain Infarct Segmentation and Registration on MRI or CT for Lesion-symptom Mapping
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Indirect structural disconnection-symptom mapping.

Christoph Sperber1, Joseph Griffis2, Vanessa Kasties3,4

  • 1University of Tubingen: Eberhard Karls Universitat Tubingen, Tubingen, Germany. christoph.sperber.neuro@gmx.de.

Brain Structure & Function
|September 1, 2022
PubMed
Summary
This summary is machine-generated.

Indirectly estimating brain structural disconnection offers an economical alternative to MRI for studying neuropsychological deficits. This method combines lesion data with normative connectome data, providing accessible tools for researchers without specialized expertise.

Keywords:
ConnectomeDiffusion tensor imagingInferenceLesion-symptom mappingStatisticsWhite matter

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Area of Science:

  • Neuroscience
  • Neurology
  • Computational Neuroscience

Background:

  • White matter disruption is key to neuropsychological deficits.
  • Diffusion MRI for white matter integrity has limitations (patient compatibility, resources).
  • Indirect estimation of structural disconnection is a viable alternative.

Purpose of the Study:

  • Review current indirect lesion disconnection estimation methods and software.
  • Address the gap in statistical disconnection-symptom mapping.
  • Provide a guide for statistical analysis of disconnection-behavior relationships.

Main Methods:

  • Combining patient structural lesion data with normative connectome data.
  • Estimating lesion-induced structural disconnection measures using available toolboxes.
  • Applying univariate or multivariate statistical modeling for anatomo-behavioral mapping.

Main Results:

  • Current toolboxes facilitate indirect disconnection estimation.
  • A methodological gap exists in statistical mapping of disconnection to behavior.
  • The paper provides a guide and tools for statistical analysis.

Conclusions:

  • Indirect structural disconnection estimation is an accessible and economical approach.
  • Bridging the gap in statistical mapping enhances the utility of this method.
  • The provided guide and scripts support researchers in analyzing disconnection-behavior relationships.