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Using Voxel-Based Morphometry to Examine the Relationship between Regional Brain Volumes and Memory Performance in Amnestic Mild Cognitive Impairment

Overview of attention for article published in Frontiers in Behavioral Neuroscience, January 2013
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Title
Using Voxel-Based Morphometry to Examine the Relationship between Regional Brain Volumes and Memory Performance in Amnestic Mild Cognitive Impairment
Published in
Frontiers in Behavioral Neuroscience, January 2013
DOI 10.3389/fnbeh.2013.00089
Pubmed ID
Authors

Patric Meyer, Hanna Feldkamp, Michael Hoppstädter, Andrea V. King, Lutz Frölich, Michèle Wessa, Herta Flor

Abstract

Alzheimer's disease (AD) is a slowly progressive neurodegenerative disorder, in which morphological alterations of brain tissue develop many years before the first neuropsychological and clinical changes occur. Among the first and most prominent symptoms are deficiencies of declarative memory functions. This stage of precursory symptoms to AD has been described as amnestic mild cognitive impairment (aMCI) and is discussed as a potential AD prodrome. As therapy in the later stages of AD has been shown to be of limited impact, aMCI would be the key target for early intervention. For that purpose a comprehensive neuropsychological and anatomical characterization of this group is necessary. Previous neuropsychological investigations identified tests which are highly sensitive in diagnosing aMCI and very early AD. However, the sensitivity of those neuropsychological tests to the particular structural neuropathology in aMCI remains to be specified. To this end, we investigated 25 patients with single-domain aMCI. All participants underwent extensive neuropsychological testing and anatomical scanning with structural magnetic resonance imaging. Voxel-based morphometry (VBM) was performed to identify brain regions that show a significant correlation between regional brain volume and behavioral measures of memory and executive functioning. We found that performance in a variety of mnemonic tests was directly related to the integrity of the medial temporal lobe cortex (MTLC). Moreover, impairment of memory sub-functions in aMCI might be detected earlier than overt structural damage. By this, these findings contribute to the identification of cerebral structures associated with memory deficits in aMCI.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 70 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Germany 1 1%
Austria 1 1%
Unknown 68 97%

Demographic breakdown

Readers by professional status Count As %
Researcher 12 17%
Student > Doctoral Student 12 17%
Student > Master 11 16%
Student > Ph. D. Student 11 16%
Student > Postgraduate 6 9%
Other 11 16%
Unknown 7 10%
Readers by discipline Count As %
Psychology 26 37%
Neuroscience 12 17%
Medicine and Dentistry 10 14%
Linguistics 2 3%
Engineering 2 3%
Other 5 7%
Unknown 13 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 28 July 2013.
All research outputs
#14,755,656
of 22,714,025 outputs
Outputs from Frontiers in Behavioral Neuroscience
#2,032
of 3,149 outputs
Outputs of similar age
#175,325
of 280,752 outputs
Outputs of similar age from Frontiers in Behavioral Neuroscience
#85
of 165 outputs
Altmetric has tracked 22,714,025 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 3,149 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 11.3. This one is in the 30th percentile – i.e., 30% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 280,752 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 35th percentile – i.e., 35% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 165 others from the same source and published within six weeks on either side of this one. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.