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EEG Frequency Changes Prior to Making Errors in an Easy Stroop Task

Overview of attention for article published in Frontiers in Human Neuroscience, October 2017
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  • Above-average Attention Score compared to outputs of the same age (51st percentile)
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Title
EEG Frequency Changes Prior to Making Errors in an Easy Stroop Task
Published in
Frontiers in Human Neuroscience, October 2017
DOI 10.3389/fnhum.2017.00521
Pubmed ID
Authors

Rachel Atchley, Daniel Klee, Barry Oken

Abstract

Background: Mind-wandering is a form of off-task attention that has been associated with negative affect and rumination. The goal of this study was to assess potential electroencephalographic markers of task-unrelated thought, or mind-wandering state, as related to error rates during a specialized cognitive task. We used EEG to record frontal frequency band activity while participants completed a Stroop task that was modified to induce boredom, task-unrelated thought, and therefore mind-wandering. Methods: A convenience sample of 27 older adults (50-80 years) completed a computerized Stroop matching task. Half of the Stroop trials were congruent (word/color match), and the other half were incongruent (mismatched). Behavioral data and EEG recordings were assessed. EEG analysis focused on the 1-s epochs prior to stimulus presentation in order to compare trials followed by correct versus incorrect responses. Results: Participants made errors on 9% of incongruent trials. There were no errors on congruent trials. There was a decrease in alpha and theta band activity during the epochs followed by error responses. Conclusion: Although replication of these results is necessary, these findings suggest that potential mind-wandering, as evidenced by errors, can be characterized by a decrease in alpha and theta activity compared to on-task, accurate performance periods.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 83 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 83 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 15 18%
Student > Master 13 16%
Researcher 10 12%
Student > Doctoral Student 8 10%
Student > Bachelor 4 5%
Other 11 13%
Unknown 22 27%
Readers by discipline Count As %
Neuroscience 16 19%
Psychology 16 19%
Medicine and Dentistry 6 7%
Engineering 5 6%
Unspecified 4 5%
Other 8 10%
Unknown 28 34%
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 10 November 2017.
All research outputs
#13,056,998
of 23,005,189 outputs
Outputs from Frontiers in Human Neuroscience
#3,684
of 7,189 outputs
Outputs of similar age
#155,565
of 328,915 outputs
Outputs of similar age from Frontiers in Human Neuroscience
#86
of 149 outputs
Altmetric has tracked 23,005,189 research outputs across all sources so far. This one is in the 42nd percentile – i.e., 42% of other outputs scored the same or lower than it.
So far Altmetric has tracked 7,189 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 47th percentile – i.e., 47% 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 328,915 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 51% of its contemporaries.
We're also able to compare this research output to 149 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.