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  Neural correlates of verbal episodic memory in patients with MCI and Alzheimer's disease: a VBM study

Leube, D., Weis, S., Freymann, K., Erb, M., Jessen, F., Heun, R., et al. (2008). Neural correlates of verbal episodic memory in patients with MCI and Alzheimer's disease: a VBM study. International Journal of Geriatric Psychiatry, 23(11), 1114-1118.

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Item Permalink: http://hdl.handle.net/21.11116/0000-0003-2C8F-C Version Permalink: http://hdl.handle.net/21.11116/0000-0003-2C90-9
Genre: Journal Article

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Leube, DT, Author
Weis, S, Author
Freymann, K, Author
Erb, M1, Author              
Jessen, F, Author
Heun, R, Author
Grodd, W1, Author              
Kircher, TT, Author
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1External Organizations, ou_persistent22              

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 Abstract: Objective The hippocampus is a key area for episodic memory processes. Hippocampal atrophy is a hallmark feature of Alzheimer's disease (AD). We used a new and automatized morphometric technique to better characterize brain atrophy in subjects with different levels of cognitive deficit. Methods In this study 21 participants with Mild Cognitive Impairment (MCI), 12 patients with early AD and 29 elderly control subjects were subjected to high resolution MRI and a neuropsychological test battery. Brain volume across participants, measured by voxel‐based morphometry (VBM), was correlated with verbal memory capacity, measured with a verbal memory test (VLMT). Results Atrophy in the anterior hippocampus, the ento‐ and perirhinal cortex as well as the parahippocampal gyrus, middle temporal gyrus and anterior cingulate cortex correlated closely with episodic memory performance. Conclusions These brain areas are known to subserve episodic encoding of verbal material. The data contribute to a better understanding of atrophic brain processes in subjects at risk for AD. A combination of neuropsychological testing and voxel‐based morphometry may serve as a diagnostic tool in the future.

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 Dates: 2008-11
 Publication Status: Published in print
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Title: International Journal of Geriatric Psychiatry
Source Genre: Journal
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Pages: - Volume / Issue: 23 (11) Sequence Number: - Start / End Page: 1114 - 1118 Identifier: -