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Brain Imaging

Brain Imaging

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 Stimulation (TMS).

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Related Experiment Video

Updated: Jul 4, 2026

DTI of the Visual Pathway - White Matter Tracts and Cerebral Lesions

DTI of the Visual Pathway - White Matter Tracts and Cerebral Lesions

Published on: August 26, 2014

Imaging the brain's highways-diffusion tensor imaging in epilepsy.

John S Duncan¹

¹Department of Clinical and Experimental Epilepsy, Institute of Neurology UCL Queen Square, London WC1N 3BG.

Epilepsy Currents

|July 4, 2008

Summary

This summary is machine-generated.

Diffusion tensor imaging (DTI) assesses brain tissue integrity by tracking water movement. DTI visualizes white matter pathways and cerebral networks, aiding in understanding epilepsy and treatment effects.

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Area of Science:

Neuroimaging
Biophysics
Neurology

Background:

Diffusion tensor imaging (DTI) quantifies water molecule diffusion in brain tissue.
DTI provides insights into the structural integrity and microstructural properties of the brain.
Fractional anisotropy (FA) is a key quantitative measure derived from DTI.

Purpose of the Study:

To explore the utility of DTI in assessing structural integrity of brain tissue.
To visualize major white matter pathways and cerebral networks using diffusion imaging.
To evaluate how DTI can assess alterations in these pathways and networks in epilepsy and in response to therapies.

Main Methods:

Utilizing diffusion tensor imaging to evaluate water motion at the voxel level.
Acquiring quantitative measures of diffusion and fractional anisotropy.
Imaging the orientation of preferential water diffusion to map white matter tracts.

Main Results:

DTI successfully provides quantitative data on brain tissue structural integrity.
The orientation of water diffusion allows visualization of major white matter pathways.
Inferred structural basis of cerebral networks can be visualized.

Conclusions:

DTI is a valuable tool for assessing brain structural integrity and white matter pathways.
This imaging technique can reveal alterations in cerebral networks associated with epilepsy.
DTI aids in evaluating the impact of therapies on brain structure in epilepsy patients.