ArticleJournal of neuroscience methods2019
A deformation-based approach for characterizing brain asymmetries at different spatial scales of resolution.
Article in Journal of neuroscience methods, 2019. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 5 papers.
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Who cites it
5 citing papers in PubMed.
- Duplicated Heschl's gyrus associations with phonological decoding.Brain structure & function · 2024Article
- Auditory Cortex Asymmetry Associations with Individual Differences in Language and Cognition.Brain sciences · 2023Article
- Deep learning classification of reading disability with regional brain volume features.NeuroImage · 2023Article
- Cortical asymmetries at different spatial hierarchies relate to phonological processing ability.PLoS biology · 2022Article
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3 authors.
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Abstract
backgroundStructural cerebral asymmetries are hypothesized to provide an architectural foundation for functional asymmetries and behavioral lateralities. Studies of structural asymmetries typically focus on gray matter measures that are influenced by gross deformation fields used for normalization, and thus characterize a combination of different morphologic influences on structural asymmetries. NEW
methodA deformation-based morphometry approach was developed to characterize structural asymmetries at different spatial scales of resolution, which can provide relatively more specific inference about the morphologic reason(s) for structural asymmetries, using a dataset of 347 typically developing children (7.00-12.92 years).
resultsSignificant structural asymmetries were observed for a larger lobar spatial scale (e.g., frontal petalia) and for a smaller gyral/sulcal spatial scale of resolution (e.g., marginal sulcus). Total intracranial volume was significantly associated with asymmetries at the larger spatial scale of normalization, while age was significantly associated with asymmetries at the smaller scale of normalization. There were no significant anti- or fluctuating asymmetry effects based on Hartigan Dip Tests and Bonnett Tests, respectively. COMPARISON WITH EXISTING METHOD(S): While spatially similar asymmetries were observed in both gray matter and deformation field data (e.g., medial planum temporale/Heschl's gyrus), the deformation approach characterizes asymmetries based on three iterations of successively smaller scales of normalization.
conclusionsStructural asymmetries can be identified in normalization deformations with a procedure that is tailored for sensitivity to structures at different spatial scales of resolution where there may be different mechanisms for the expression of asymmetry.
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