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Effects of age and eccentricity on visual target detection

Overview of attention for article published in Frontiers in Aging Neuroscience, January 2014
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Title
Effects of age and eccentricity on visual target detection
Published in
Frontiers in Aging Neuroscience, January 2014
DOI 10.3389/fnagi.2013.00101
Pubmed ID
Authors

Nicole Gruber, René M. Müri, Urs P. Mosimann, Rahel Bieri, Andrea Aeschimann, Giuseppe A. Zito, Prabitha Urwyler, Thomas Nyffeler, Tobias Nef

Abstract

The aim of this study was to examine the effects of aging and target eccentricity on a visual search task comprising 30 images of everyday life projected into a hemisphere, realizing a ±90° visual field. The task performed binocularly allowed participants to freely move their eyes to scan images for an appearing target or distractor stimulus (presented at 10°; 30°, and 50° eccentricity). The distractor stimulus required no response, while the target stimulus required acknowledgment by pressing the response button. One hundred and seventeen healthy subjects (mean age = 49.63 years, SD = 17.40 years, age range 20-78 years) were studied. The results show that target detection performance decreases with age as well as with increasing eccentricity, especially for older subjects. Reaction time also increases with age and eccentricity, but in contrast to target detection, there is no interaction between age and eccentricity. Eye movement analysis showed that younger subjects exhibited a passive search strategy while older subjects exhibited an active search strategy probably as a compensation for their reduced peripheral detection performance.

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X Demographics

The data shown below were collected from the profile of 1 X user 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 44 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
United Kingdom 1 2%
France 1 2%
Germany 1 2%
Canada 1 2%
Unknown 40 91%

Demographic breakdown

Readers by professional status Count As %
Student > Master 8 18%
Student > Ph. D. Student 7 16%
Researcher 5 11%
Student > Doctoral Student 4 9%
Lecturer > Senior Lecturer 3 7%
Other 10 23%
Unknown 7 16%
Readers by discipline Count As %
Psychology 11 25%
Neuroscience 7 16%
Engineering 4 9%
Medicine and Dentistry 4 9%
Nursing and Health Professions 3 7%
Other 6 14%
Unknown 9 20%
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 10 March 2014.
All research outputs
#18,366,246
of 22,747,498 outputs
Outputs from Frontiers in Aging Neuroscience
#4,015
of 4,745 outputs
Outputs of similar age
#229,340
of 305,221 outputs
Outputs of similar age from Frontiers in Aging Neuroscience
#14
of 16 outputs
Altmetric has tracked 22,747,498 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,745 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 10th percentile – i.e., 10% 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 305,221 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 16 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.