LESA: Longitudinal Elastic Shape Analysis of Brain Subcortical Structures | PERPUSTAKAAN UNIVERSITAS KATOLIK PARAHYANGAN

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LESA: Longitudinal Elastic Shape Analysis of Brain Subcortical Structures

Zhang, Zhengwu - Nama Orang; Wu, Yuexuan - Nama Orang; Xiong, Di - Nama Orang; Ibrahim, Joseph G. - Nama Orang; Srivastava, Anuj - Nama Orang; Zhu, Hongtu - Nama Orang;

Over the past 30 years, magnetic resonance imaging has become a ubiquitous tool for accurately visualizing the change and development of the brain’s subcortical structures (e.g., hippocampus). Although subcortical structures act as information hubs of the nervous system, their quantification is still in its infancy due to many challenges in shape extraction, representation, and modeling. Here, we develop a simple and efficient framework of longitudinal elastic shape analysis (LESA) for subcortical structures. Integrating ideas from elastic shape analysis of static surfaces and statistical modeling of sparse longitudinal data, LESA provides a set of tools for systematically quantifying changes of longitudinal subcortical surface shapes from raw structure MRI data. The key novelties of LESA include: (i) it can efficiently represent complex subcortical structures using a small number of basis functions and (ii) it can accurately delineate the spatiotemporal shape changes of the human subcortical structures. We applied LESA to analyze three longitudinal neuroimaging datasets and showcase its wide applications in estimating continuous shape trajectories, building life-span growth patterns, and comparing shape differences among different groups. In particular, with the Alzheimer’s Disease Neuroimaging Initiative (ADNI) data, we found that Alzheimer’s Disease (AD) can significantly speed the shape change of the lateral ventricle and the hippocampus from 60 to 75 years olds compared with normal aging. Supplementary materials for this article are available online.

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Barcode		Tipe Koleksi	Nomor Panggil	Lokasi	Status
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Informasi Detail

Judul Seri: JOURNAL OF THE AMERICAN STATISTICAL ASSOCIATION (JASA); Vol.118 No.541 March 2023
No. Panggil: -
Penerbit: : .,
Deskripsi Fisik: p. 3-17
Bahasa: English
ISBN/ISSN: -
Klasifikasi: NONE
Tipe Isi: -
Tipe Media: -
Tipe Pembawa: -
Edisi: -
Subjek: PRINCIPAL COMPONENTS ANALYSIS
ELASTIC SHAPE ANALYSIS
ALZHEIMER’S DISEASE
LONGITUDINAL SHAPE TRAJECTORY
SUBCORTICAL STRUCTURES
Info Detail Spesifik: https://doi.org/10.1080/01621459.2022.2102984
Pernyataan Tanggungjawab: Zhengwu Zhang, Yuexuan Wu, Di Xiong, Joseph G. Ibrahim, Anuj Srivastava, Hongtu Zhu

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