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The catechol-o-methyltransferase Val158Met polymorphism modulates the intrinsic functional network centrality of the parahippocampal cortex in healthy subjects

Overview of attention for article published in Scientific Reports, June 2015
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Title
The catechol-o-methyltransferase Val158Met polymorphism modulates the intrinsic functional network centrality of the parahippocampal cortex in healthy subjects
Published in
Scientific Reports, June 2015
DOI 10.1038/srep10105
Pubmed ID
Authors

Xiaolong Zhang, Jin Li, Wen Qin, Chunshui Yu, Bing Liu, Tianzi Jiang

Abstract

The influence of catechol-o-methyltransferase (COMT) Val(158)Met on brain activation and functional connectivity has been widely reported. However, voxel-wise effects of this genotype on resting-state brain networks remain unclear. Here, we used resting-state fMRI and eigenvector centrality to examine the effects of COMT Val(158)Met genotypes on the connection patterns of the brain network and working memory (WM) in healthy, young Val/Val and Met carrier subjects. There were significant differences in the performance level on the 2-back WM task between the different COMT genotypes: Val/Val individuals exhibited a higher correct rate compared to the Met carriers. A two-sample t test was used to examine the differences in the eigenvector centrality maps, using age and gender as covariates of no interest, between the Val/Val and Met carriers. We found that the Val/Val individuals exhibited significantly higher eigenvector centrality compared to the Met carriers in the left parahippocampal cortex. Furthermore, a significantly positive correlation between the mean eigenvector centrality of the significant cluster and the correct rate of the 2-back WM task was observed. By using a voxel-wise data-driven method, our findings may provide plausible implications regarding individual differences in the genetic contribution of COMT Val158Met to the brain network and cognition.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 33 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
China 1 3%
Unknown 32 97%

Demographic breakdown

Readers by professional status Count As %
Researcher 7 21%
Student > Master 6 18%
Other 3 9%
Student > Bachelor 1 3%
Student > Ph. D. Student 1 3%
Other 3 9%
Unknown 12 36%
Readers by discipline Count As %
Medicine and Dentistry 8 24%
Psychology 4 12%
Neuroscience 3 9%
Agricultural and Biological Sciences 2 6%
Immunology and Microbiology 1 3%
Other 1 3%
Unknown 14 42%
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 10 June 2016.
All research outputs
#14,330,426
of 23,398,349 outputs
Outputs from Scientific Reports
#66,572
of 126,433 outputs
Outputs of similar age
#135,161
of 267,684 outputs
Outputs of similar age from Scientific Reports
#955
of 1,859 outputs
Altmetric has tracked 23,398,349 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 126,433 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 18.3. This one is in the 45th percentile – i.e., 45% 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 267,684 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 1,859 others from the same source and published within six weeks on either side of this one. This one is in the 46th percentile – i.e., 46% of its contemporaries scored the same or lower than it.