Diffusion MRI fiber tractography of the brain

Area of Science:

• Neuroscience
• Medical Imaging
• Computational Biology

Background:

• Fiber tractography non-invasively visualizes white matter pathways.
• It is crucial for neurosurgery planning and connectomics research.
• Despite advancements, tractography interpretation faces significant controversy.

Purpose of the Study:

• To provide an overview of fiber tractography concepts and algorithms.
• To address common misconceptions and technical considerations.
• To highlight unresolved challenges in tractography interpretation.

Main Methods:

• Review of fiber tractography principles.
• Discussion of various tractography algorithms.
• Analysis of technical considerations and limitations.

Main Results:

• Fiber tractography is a valuable tool in neuroscience and neurosurgery.
• Quantification of tractography-derived connection strengths is debated.
• Current state-of-the-art techniques still have unresolved issues biasing structural connectomes.

Conclusions:

• Fiber tractography offers immense potential but requires careful interpretation.
• Understanding tractography algorithms and their limitations is essential.
• Ongoing research is needed to resolve biases in structural connectome reconstruction.