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Beta-Band Functional Connectivity Influences Audiovisual Integration in Older Age: An EEG Study

Overview of attention for article published in Frontiers in Aging Neuroscience, August 2017
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Title
Beta-Band Functional Connectivity Influences Audiovisual Integration in Older Age: An EEG Study
Published in
Frontiers in Aging Neuroscience, August 2017
DOI 10.3389/fnagi.2017.00239
Pubmed ID
Authors

Luyao Wang, Wenhui Wang, Tianyi Yan, Jiayong Song, Weiping Yang, Bin Wang, Ritsu Go, Qiang Huang, Jinglong Wu

Abstract

Audiovisual integration occurs frequently and has been shown to exhibit age-related differences via behavior experiments or time-frequency analyses. In the present study, we examined whether functional connectivity influences audiovisual integration during normal aging. Visual, auditory, and audiovisual stimuli were randomly presented peripherally; during this time, participants were asked to respond immediately to the target stimulus. Electroencephalography recordings captured visual, auditory, and audiovisual processing in 12 old (60-78 years) and 12 young (22-28 years) male adults. For non-target stimuli, we focused on alpha (8-13 Hz), beta (13-30 Hz), and gamma (30-50 Hz) bands. We applied the Phase Lag Index to study the dynamics of functional connectivity. Then, the network topology parameters, which included the clustering coefficient, path length, small-worldness global efficiency, local efficiency and degree, were calculated for each condition. For the target stimulus, a race model was used to analyze the response time. Then, a Pearson correlation was used to test the relationship between each network topology parameters and response time. The results showed that old adults activated stronger connections during audiovisual processing in the beta band. The relationship between network topology parameters and the performance of audiovisual integration was detected only in old adults. Thus, we concluded that old adults who have a higher load during audiovisual integration need more cognitive resources. Furthermore, increased beta band functional connectivity influences the performance of audiovisual integration during normal aging.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 48 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 48 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 8 17%
Researcher 7 15%
Student > Master 7 15%
Student > Bachelor 3 6%
Other 3 6%
Other 8 17%
Unknown 12 25%
Readers by discipline Count As %
Neuroscience 14 29%
Psychology 5 10%
Engineering 5 10%
Medicine and Dentistry 3 6%
Computer Science 2 4%
Other 4 8%
Unknown 15 31%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. 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 15 August 2017.
All research outputs
#13,766,375
of 23,458,084 outputs
Outputs from Frontiers in Aging Neuroscience
#3,058
of 4,922 outputs
Outputs of similar age
#160,632
of 318,614 outputs
Outputs of similar age from Frontiers in Aging Neuroscience
#57
of 101 outputs
Altmetric has tracked 23,458,084 research outputs across all sources so far. This one is in the 40th percentile – i.e., 40% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,922 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 13.4. This one is in the 37th percentile – i.e., 37% 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 318,614 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 49th percentile – i.e., 49% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 101 others from the same source and published within six weeks on either side of this one. This one is in the 40th percentile – i.e., 40% of its contemporaries scored the same or lower than it.