Relationship between Respiratory Load Perception and Perception of Nonrespiratory Sensory Modalities in Subjects with Life-Threatening Asthma
Joint Authors
Davenport, Kathleen L.
Huang, Chien Hui
Davenport, Matthew P.
Davenport, Paul W.
Source
Issue
Vol. 2012, Issue 2012 (31 Dec. 2012), pp.1-7, 7 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2012-06-13
Country of Publication
Egypt
No. of Pages
7
Main Subjects
Abstract EN
Subjects with life-threatening asthma (LTA) have reported decreased sensitivity to inspiratory resistive (R) loads.
It is unknown if decreased sensitivity is specific for inspiratory R loads, other types of respiratory loads, or a general deficit affecting sensory modalities.
This study hypothesized that impairment is specific to respiratory stimuli.
This study tested perceptual sensitivity of LTA, asthmatic (A), and nonasthmatic (NA) subjects to 4 sensory modalities: respiratory, somatosensory, auditory, visual.
Perceptual sensitivity was measured with magnitude estimation (ME): respiratory loads ME, determined using inspiratory R and pressure threshold (PT) loads; somatosensory ME, determined using weight ranges of 2–20 kg; auditory ME, determined using graded magnitudes of 1 kHz tones delivered for 3 seconds bilaterally; visual ME, determined using gray-to-white disk intensity gradations on black background.
ME for inspiratory R loads lessened for LTA over A and NA subjects.
There was no significant difference between the 3 groups in ME for PT inspiratory loads, weight, sound, and visual trials.
These results demonstrate that LTA subjects are poor perceivers of inspiratory R loads.
This deficit in respiratory perception is specific to inspiratory R loads and is not due to perceptual deficits in other types of inspiratory loads, somatosensory, auditory, or visual sensory modalities.
American Psychological Association (APA)
Davenport, Kathleen L.& Huang, Chien Hui& Davenport, Matthew P.& Davenport, Paul W.. 2012. Relationship between Respiratory Load Perception and Perception of Nonrespiratory Sensory Modalities in Subjects with Life-Threatening Asthma. Pulmonary Medicine،Vol. 2012, no. 2012, pp.1-7.
https://search.emarefa.net/detail/BIM-462472
Modern Language Association (MLA)
Davenport, Kathleen L.…[et al.]. Relationship between Respiratory Load Perception and Perception of Nonrespiratory Sensory Modalities in Subjects with Life-Threatening Asthma. Pulmonary Medicine No. 2012 (2012), pp.1-7.
https://search.emarefa.net/detail/BIM-462472
American Medical Association (AMA)
Davenport, Kathleen L.& Huang, Chien Hui& Davenport, Matthew P.& Davenport, Paul W.. Relationship between Respiratory Load Perception and Perception of Nonrespiratory Sensory Modalities in Subjects with Life-Threatening Asthma. Pulmonary Medicine. 2012. Vol. 2012, no. 2012, pp.1-7.
https://search.emarefa.net/detail/BIM-462472
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-462472