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Neural correlates coding stimulus level and perception of capsaicin-evoked urge-to-cough in humans

Overview of attention for article published in NeuroImage, March 2012
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Title
Neural correlates coding stimulus level and perception of capsaicin-evoked urge-to-cough in humans
Published in
NeuroImage, March 2012
DOI 10.1016/j.neuroimage.2012.03.030
Pubmed ID
Authors

Michael J. Farrell, Leonie J. Cole, David Chiapoco, Gary F. Egan, Stuart B. Mazzone

Abstract

The perception of airways irritation is represented in a distributed brain network. However, the functional roles of sub-regions of this network are yet to be determined. The aim of this study was to measure brain activation in healthy participants as they inhaled two doses of capsaicin to identify dose-dependent and dose-independent responses. Blood oxygen level-dependent functional magnetic resonance imaging (fMRI) measures of brain responses during inhalation of saline, and a low and high dose of capsaicin were made from 16 healthy participants. Subjective ratings of the urge-to-cough were also made during capsaicin challenges. The majority of brain regions that were activated during capsaicin inhalation, including insula and mid cingulate cortex, showed graduated responses to the two doses of capsaicin. Prefrontal and parietal regions had dose-independent activation, whereas premotor regions and the cerebellum activated exclusively at the high dose of capsaicin. Activation in the somatosensory and mid-cingulate cortices correlated with ratings of urge-to-cough. In the brainstem, capsaicin produced dose-dependent activations in respiratory-related regions of the dorsal pons and lateral medulla. These data show dissociable response patterns to capsaicin inhalation that may represent different regional processes involved in monitoring and assessing stimulus intensity, determining the spatial localization of the stimulus and suppressing motor responses.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 52 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 52 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 13 25%
Student > Ph. D. Student 8 15%
Student > Master 6 12%
Student > Postgraduate 4 8%
Student > Bachelor 2 4%
Other 7 13%
Unknown 12 23%
Readers by discipline Count As %
Medicine and Dentistry 15 29%
Neuroscience 6 12%
Psychology 6 12%
Agricultural and Biological Sciences 3 6%
Business, Management and Accounting 2 4%
Other 4 8%
Unknown 16 31%
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 30 March 2012.
All research outputs
#20,657,128
of 25,374,917 outputs
Outputs from NeuroImage
#10,824
of 12,205 outputs
Outputs of similar age
#133,713
of 170,509 outputs
Outputs of similar age from NeuroImage
#118
of 145 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 10th percentile – i.e., 10% of other outputs scored the same or lower than it.
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