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The Associations between Regional Gray Matter Structural Changes and Changes of Cognitive Performance in Control Groups of Intervention Studies

Overview of attention for article published in Frontiers in Human Neuroscience, December 2015
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Title
The Associations between Regional Gray Matter Structural Changes and Changes of Cognitive Performance in Control Groups of Intervention Studies
Published in
Frontiers in Human Neuroscience, December 2015
DOI 10.3389/fnhum.2015.00681
Pubmed ID
Authors

Hikaru Takeuchi, Yasuyuki Taki, Yuko Sassa, Atsushi Sekiguchi, Tomomi Nagase, Rui Nouchi, Ai Fukushima, Ryuta Kawashima

Abstract

In intervention studies of cognitive training, the challenging cognitive tests, which were used as outcome measures, are generally completed in more than a few hours. Here, utilizing the control groups' data from three 1-week intervention studies in which young healthy adult subjects underwent a wide range of cognitive tests and T1-weighted magnetic resonance imaging (MRI) before and after the intervention period, we investigated how regional gray matter (GM) density (rGMD) of the subjects changed through voxel-based morphometry (VBM). Statistically significant increases in rGMD were observed in the anatomical cluster that mainly spread around the bilateral dorsal anterior cingulate cortex (dACC) and the right superior frontal gyrus (rSFG). Moreover, mean rGMD within this cluster changes were significantly and positively correlated with performance changes in the Stroop task, and tended to positively correlate with performance changes in a divergent thinking task. Affected regions are considered to be associated with performance monitoring (dACC) and manipulation of the maintained information including generating associations (rSFG), and both are relevant to the cognitive functions measured in the cognitive tests. Thus, the results suggest that even in the groups of the typical "control group" in intervention studies including those of the passive one, experimental or non-experimental factors can result in an increase in the regional GM structure and form the association between such neural changes and improvements related to these cognitive tests. These results suggest caution toward the experimental study designs without control groups.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 47 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 2%
Unknown 46 98%

Demographic breakdown

Readers by professional status Count As %
Student > Master 9 19%
Student > Bachelor 7 15%
Researcher 4 9%
Student > Doctoral Student 4 9%
Student > Ph. D. Student 3 6%
Other 8 17%
Unknown 12 26%
Readers by discipline Count As %
Psychology 14 30%
Neuroscience 7 15%
Medicine and Dentistry 3 6%
Computer Science 2 4%
Engineering 2 4%
Other 5 11%
Unknown 14 30%
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 21 December 2015.
All research outputs
#15,300,843
of 22,836,570 outputs
Outputs from Frontiers in Human Neuroscience
#5,207
of 7,155 outputs
Outputs of similar age
#227,296
of 389,451 outputs
Outputs of similar age from Frontiers in Human Neuroscience
#104
of 141 outputs
Altmetric has tracked 22,836,570 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 7,155 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.6. This one is in the 26th percentile – i.e., 26% 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 389,451 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 41st percentile – i.e., 41% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 141 others from the same source and published within six weeks on either side of this one. This one is in the 26th percentile – i.e., 26% of its contemporaries scored the same or lower than it.