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Updated: Jul 28, 2026

Lesion Explorer: A Video-guided, Standardized Protocol for Accurate and Reliable MRI-derived Volumetrics in Alzheimer's Disease and Normal Elderly
Published on: April 14, 2014
Brain volume loss in MCI predicts dementia
D Erten-Lyons1, D Howieson, M Milar Moore
1Department of Neurology, Oregon Health and Science University, Portland, OR, USA. ertenlyo@ohsu.edu
Mild cognitive impairment (MCI) subjects who developed dementia showed faster temporal horn volume loss than stable MCI patients. This suggests temporal horn atrophy may predict dementia progression in individuals with MCI.
Area of Science:
- Neuroscience
- Gerontology
- Medical Imaging
Background:
- Mild cognitive impairment (MCI) is a transitional stage between normal aging and dementia.
- Identifying biomarkers for dementia progression in MCI is crucial for early intervention.
Purpose of the Study:
- To investigate if temporal horn volume change rates differ between MCI subjects who progress to dementia and those who remain stable.
Main Methods:
- Longitudinal volumetric analysis of temporal horn changes using MRI scans.
- Comparison of atrophy rates in MCI patients who developed dementia versus those who remained stable.
Main Results:
- Significantly greater rates of temporal horn volume loss were observed in MCI subjects who progressed to dementia.
- Temporal horn volume change serves as a potential indicator of neurodegeneration in MCI.
Conclusions:
- Accelerated temporal horn atrophy is associated with progression from mild cognitive impairment to dementia.
- MRI-based volumetric analysis of the temporal horn may aid in predicting dementia development in MCI patients.
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