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Human brain atlas: For high-resolution functional and anatomical mapping.
P E Roland1, C J Graufelds, J W Hlin
1Division of Human Brain Research, Department of Neuroscience, Karolinska Institute, Stockholm, Sweden, Germany.
Human Brain Mapping
|March 1, 2014
Summary
The new computerized Human Brain Atlas (HBA) standardizes individual brain scans. This tool significantly reduces anatomical variations, aiding human brain mapping studies.
Area of Science:
- Neuroimaging
- Anatomy
- Medical Informatics
Background:
- Anatomical variations in individual brains pose challenges for mapping studies.
- A standardized reference is crucial for accurate comparative analysis of brain structure and function.
Purpose of the Study:
- To introduce a novel computerized Human Brain Atlas (HBA) for anatomical and functional mapping.
- To develop a method for reducing interindividual anatomical variance in human brain imaging.
Main Methods:
- Utilized high-resolution magnetic resonance images from normal subjects to build the atlas.
- Implemented linear and nonlinear transformations to align individual brains to a standard anatomical format.
- Evaluated variance reduction using anatomical landmarks in a separate cohort of 27 male volunteers.
Main Results:
- The Human Brain Atlas (HBA) successfully reduces anatomical variations between individual brains.
- Interindividual anatomical variance was reduced to the level of intra-individual hemispheric variance.
- The atlas provides a continuously updated mean shape and position of brain structures.
Conclusions:
- The Human Brain Atlas (HBA) is a powerful tool for standardizing brain anatomy.
- This standardization significantly aids anatomical and functional mapping studies.
- The HBA effectively minimizes anatomical variability, enhancing the reliability of brain research.
