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Aging Effect on Audiovisual Integrative Processing in Spatial Discrimination Task

Overview of attention for article published in Frontiers in Aging Neuroscience, November 2017
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Title
Aging Effect on Audiovisual Integrative Processing in Spatial Discrimination Task
Published in
Frontiers in Aging Neuroscience, November 2017
DOI 10.3389/fnagi.2017.00374
Pubmed ID
Authors

Zhi Zou, Bolton K. H. Chau, Kin-Hung Ting, Chetwyn C. H. Chan

Abstract

Multisensory integration is an essential process that people employ daily, from conversing in social gatherings to navigating the nearby environment. The aim of this study was to investigate the impact of aging on modulating multisensory integrative processes using event-related potential (ERP), and the validity of the study was improved by including "noise" in the contrast conditions. Older and younger participants were involved in perceiving visual and/or auditory stimuli that contained spatial information. The participants responded by indicating the spatial direction (far vs. near and left vs. right) conveyed in the stimuli using different wrist movements. electroencephalograms (EEGs) were captured in each task trial, along with the accuracy and reaction time of the participants' motor responses. Older participants showed a greater extent of behavioral improvements in the multisensory (as opposed to unisensory) condition compared to their younger counterparts. Older participants were found to have fronto-centrally distributed super-additive P2, which was not the case for the younger participants. The P2 amplitude difference between the multisensory condition and the sum of the unisensory conditions was found to correlate significantly with performance on spatial discrimination. The results indicated that the age-related effect modulated the integrative process in the perceptual and feedback stages, particularly the evaluation of auditory stimuli. Audiovisual (AV) integration may also serve a functional role during spatial-discrimination processes to compensate for the compromised attention function caused by aging.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 38 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 38 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 7 18%
Researcher 4 11%
Student > Bachelor 4 11%
Student > Postgraduate 3 8%
Professor > Associate Professor 3 8%
Other 6 16%
Unknown 11 29%
Readers by discipline Count As %
Psychology 10 26%
Neuroscience 7 18%
Nursing and Health Professions 2 5%
Agricultural and Biological Sciences 2 5%
Engineering 2 5%
Other 3 8%
Unknown 12 32%
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 November 2017.
All research outputs
#20,452,930
of 23,008,860 outputs
Outputs from Frontiers in Aging Neuroscience
#4,339
of 4,843 outputs
Outputs of similar age
#283,419
of 325,280 outputs
Outputs of similar age from Frontiers in Aging Neuroscience
#85
of 101 outputs
Altmetric has tracked 23,008,860 research outputs across all sources so far. This one is in the 1st percentile – i.e., 1% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,843 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 1st percentile – i.e., 1% 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 325,280 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 1st percentile – i.e., 1% 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 1st percentile – i.e., 1% of its contemporaries scored the same or lower than it.