Comparison of neurodegenerative types using different brain MRI analysis metrics in older adults with normal cognition, mild cognitive impairment, and Alzheimer's dementia

Myungwon Choi, Hyun Chul Youn, Daegyeom Kim, Suji Lee, Sangil Suh, Jun Kyung Seong, Hyun-Ghang Jeong, Cheol E. Han

Research output: Contribution to journalArticle

Abstract

Several metrics of analysis of magnetic resonance imaging (MRI) have been used to assess Alzheimer's disease (AD)-related neurodegeneration. We compared four structural brain MRI analysis metrics, cortical thickness, volume, surface area, and local gyrification index (LGI), in different stages of AD-related cognitive decline. Participants with normal cognition, mild cognitive impairment, and AD were included (34 participants per group). All undertook the Consortium to Establish a Registry for Alzheimer's Disease (CERAD) battery of neuropsychological tests and brain MRI scanning. We analyzed associations between morphometric measures and CERAD total/ Mini Mental State Examination (MMSE) scores for the regions of interest (ROIs), identifying three types of curves: U-shaped, inverted U-shaped, and linear. Cortical thickness and volume analyses showed linear types in most of the significant ROIs. Significant ROIs for the cortical thickness analysis were located in the temporal and limbic lobes, whereas those for volume and surface area were distributed over more diffuse areas of the brain. LGI analysis showed few significant ROIs. CERAD total scores were more sensitive to early changes of cortical structures than MMSE scores. Cortical thickness analysis may be preferable in assessing brain structural MRI changes during AD-related cognitive decline, whereas LGI analysis may have limited capability to reflect the cognitive decrease. Our findings may provide a reference for future studies and help to establish optimal analytical approaches to brain structural MRI in neurodegenerative diseases.

Original languageEnglish
Pages (from-to)e0220739
JournalPloS one
Volume14
Issue number8
DOIs
Publication statusPublished - 2019 Jan 1

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dementia
Magnetic resonance
Alzheimer disease
magnetic resonance imaging
cognition
Cognition
Brain
Alzheimer Disease
Magnetic Resonance Imaging
brain
Imaging techniques
Registries
surface area
Neurodegenerative diseases
Neuropsychological Tests
neurodegenerative diseases
Temporal Lobe
Cognitive Dysfunction
Neurodegenerative Diseases
Scanning

ASJC Scopus subject areas

  • Biochemistry, Genetics and Molecular Biology(all)
  • Agricultural and Biological Sciences(all)

Cite this

Comparison of neurodegenerative types using different brain MRI analysis metrics in older adults with normal cognition, mild cognitive impairment, and Alzheimer's dementia. / Choi, Myungwon; Youn, Hyun Chul; Kim, Daegyeom; Lee, Suji; Suh, Sangil; Seong, Jun Kyung; Jeong, Hyun-Ghang; Han, Cheol E.

In: PloS one, Vol. 14, No. 8, 01.01.2019, p. e0220739.

Research output: Contribution to journalArticle

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