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Left-Lateralized Contributions of Saccades to Cortical Activity During a One-Back Word Recognition Task

Overview of attention for article published in Frontiers in Neural Circuits, May 2018
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  • Above-average Attention Score compared to outputs of the same age (52nd percentile)
  • Above-average Attention Score compared to outputs of the same age and source (62nd percentile)

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Title
Left-Lateralized Contributions of Saccades to Cortical Activity During a One-Back Word Recognition Task
Published in
Frontiers in Neural Circuits, May 2018
DOI 10.3389/fncir.2018.00038
Pubmed ID
Authors

Yu-Cherng C. Chang, Sheraz Khan, Samu Taulu, Gina Kuperberg, Emery N. Brown, Matti S. Hämäläinen, Simona Temereanca

Abstract

Saccadic eye movements are an inherent component of natural reading, yet their contribution to information processing at subsequent fixation remains elusive. Here we use anatomically-constrained magnetoencephalography (MEG) to examine cortical activity following saccades as healthy human subjects engaged in a one-back word recognition task. This activity was compared with activity following external visual stimulation that mimicked saccades. A combination of procedures was employed to eliminate saccadic ocular artifacts from the MEG signal. Both saccades and saccade-like external visual stimulation produced early-latency responses beginning ~70 ms after onset in occipital cortex and spreading through the ventral and dorsal visual streams to temporal, parietal and frontal cortices. Robust differential activity following the onset of saccades vs. similar external visual stimulation emerged during 150-350 ms in a left-lateralized cortical network. This network included: (i) left lateral occipitotemporal (LOT) and nearby inferotemporal (IT) cortex; (ii) left posterior Sylvian fissure (PSF) and nearby multimodal cortex; and (iii) medial parietooccipital (PO), posterior cingulate and retrosplenial cortices. Moreover, this left-lateralized network colocalized with word repetition priming effects. Together, results suggest that central saccadic mechanisms influence a left-lateralized language network in occipitotemporal and temporal cortex above and beyond saccadic influences at preceding stages of information processing during visual word recognition.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 23 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 23 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 3 13%
Other 2 9%
Student > Bachelor 2 9%
Student > Master 2 9%
Student > Ph. D. Student 2 9%
Other 3 13%
Unknown 9 39%
Readers by discipline Count As %
Psychology 4 17%
Medicine and Dentistry 3 13%
Nursing and Health Professions 3 13%
Physics and Astronomy 2 9%
Arts and Humanities 1 4%
Other 2 9%
Unknown 8 35%
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 July 2019.
All research outputs
#12,893,785
of 23,070,218 outputs
Outputs from Frontiers in Neural Circuits
#493
of 1,222 outputs
Outputs of similar age
#154,386
of 327,764 outputs
Outputs of similar age from Frontiers in Neural Circuits
#7
of 24 outputs
Altmetric has tracked 23,070,218 research outputs across all sources so far. This one is in the 43rd percentile – i.e., 43% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,222 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.8. This one has gotten more attention than average, scoring higher than 58% of its peers.
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 327,764 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 52% of its contemporaries.
We're also able to compare this research output to 24 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 62% of its contemporaries.