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Updated: Dec 12, 2025
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Mapping Cortical Dynamics Using Simultaneous MEG/EEG and Anatomically-constrained Minimum-norm Estimates: an Auditory Attention Example
Published on: October 24, 2012
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Improving a probabilistic cytoarchitectonic atlas of auditory cortex using a novel method for inter-individual
Omer Faruk Gulban1,2, Rainer Goebel1,2, Michelle Moerel1,3
1Department of Cognitive Neuroscience, Maastricht University, Maastricht, Netherlands.
Elife
|August 7, 2020
Summary
We developed CBA+, a new brain mapping technique that improves accuracy by incorporating anatomical knowledge. This method enhances the alignment of auditory cortex data, leading to a more precise cytoarchitectonic auditory atlas.
Area of Science:
- Neuroimaging
- Neuroanatomy
- Auditory Neuroscience
Background:
- The human superior temporal plane, housing the auditory cortex, exhibits significant macro-anatomical variation.
- This variation challenges the reliability of current curvature-based alignment (CBA) methods for in vivo imaging.
- Accurate registration is crucial for understanding auditory cortex function and organization.
Purpose of the Study:
- To develop an improved cortical surface registration method, CBA+, that leverages prior macro-anatomical knowledge.
- To validate the accuracy of CBA+ against existing registration techniques.
- To enhance the creation of a cytoarchitectonic auditory atlas and facilitate the integration of in vivo and postmortem data.
Main Methods:
- Development of CBA+, a novel cortical surface registration method incorporating macro-anatomical priors.
- Validation using cytoarchitectonic areas across 10 individual human brains.
- Comparison of CBA+ with volumetric and standard surface registration methods.
Main Results:
- CBA+ demonstrated superior accuracy in creating a cytoarchitectonic auditory atlas compared to volumetric and standard surface registration.
- Improved alignment of macro-anatomy by CBA+ led to better correspondence of micro-anatomy.
- The method successfully aligned in vivo and postmortem data, enabling projection of functional and anatomical information.
Conclusions:
- CBA+ offers a more accurate approach to cortical surface registration by integrating macro-anatomical information.
- The enhanced alignment provided by CBA+ improves the precision of auditory cortex atlases.
- This method has significant potential for advancing research on auditory cortex parcellation and integrating multimodal neuroimaging data.
