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The Impact of Age and Cognitive Reserve on Resting-State Brain Connectivity

Overview of attention for article published in Frontiers in Aging Neuroscience, December 2017
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Title
The Impact of Age and Cognitive Reserve on Resting-State Brain Connectivity
Published in
Frontiers in Aging Neuroscience, December 2017
DOI 10.3389/fnagi.2017.00392
Pubmed ID
Authors

Jessica I. Fleck, Julia Kuti, Jeffrey Mercurio, Spencer Mullen, Katherine Austin, Olivia Pereira

Abstract

Cognitive reserve (CR) is a protective mechanism that supports sustained cognitive function following damage to the physical brain associated with age, injury, or disease. The goal of the research was to identify relationships between age, CR, and brain connectivity. A sample of 90 cognitively normal adults, ages 45-64 years, had their resting-state brain activity recorded with electroencephalography (EEG) and completed a series of memory and executive function assessments. CR was estimated using years of education and verbal IQ scores. Participants were divided into younger and older age groups and low- and high-CR groups. We observed greater left- than right-hemisphere coherence in younger participants, and greater right- than left-hemisphere coherence in older participants. In addition, greater coherence was observed under eyes-closed than eyes-open recording conditions for both low-CR and high-CR participants, with a more substantial difference between recording conditions in individuals high in CR regardless of age. Finally, younger participants low in CR exhibited greater mean coherence than younger participants high in CR, whereas the opposite pattern was observed in older participants, with greater coherence in older participants high in CR. Together, these findings suggest the possibility of a shift in the relationship between CR and brain connectivity during aging.

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The data shown below were collected from the profiles of 3 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 119 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 119 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 20 17%
Student > Master 17 14%
Researcher 13 11%
Student > Doctoral Student 10 8%
Student > Bachelor 8 7%
Other 16 13%
Unknown 35 29%
Readers by discipline Count As %
Neuroscience 26 22%
Psychology 22 18%
Engineering 5 4%
Agricultural and Biological Sciences 4 3%
Medicine and Dentistry 4 3%
Other 14 12%
Unknown 44 37%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 27 December 2017.
All research outputs
#15,485,255
of 23,011,300 outputs
Outputs from Frontiers in Aging Neuroscience
#3,635
of 4,842 outputs
Outputs of similar age
#265,501
of 437,944 outputs
Outputs of similar age from Frontiers in Aging Neuroscience
#82
of 110 outputs
Altmetric has tracked 23,011,300 research outputs across all sources so far. This one is in the 22nd percentile – i.e., 22% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,842 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.1. This one is in the 20th percentile – i.e., 20% 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 437,944 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 30th percentile – i.e., 30% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 110 others from the same source and published within six weeks on either side of this one. This one is in the 25th percentile – i.e., 25% of its contemporaries scored the same or lower than it.