Journal
PSYCHOPHYSIOLOGY
Volume 43, Issue 4, Pages 382-386Publisher
WILEY
DOI: 10.1111/j.1469-8986.2006.00415.x
Keywords
breathlessness; dyspnea; emotion; perception; pain; resistive load breathing
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Dyspnea is an impairing symptom in various diseases. Recent research has shown that the perception of dyspnea, like pain, consists of a sensory (intensity) and an affective (unpleasantness) dimension, but little is known about the specific impact of different emotions on these distinct dimensions. We therefore examined the impact of viewing affective picture series of positive, neutral, and negative valence on perceived dyspnea during resistive load breathing in healthy volunteers. Inspiratory time (Ti), breathing frequency (f), and oscillatory resistance (Ros) remained unchanged across conditions. Ratings for unpleasantness of dyspnea increased from positive to neutral to negative series, but ratings for intensity of dyspnea showed no changes. The results suggest that the affective dimension of the perception of dyspnea is particularly vulnerable to emotional influences, irrespective of objective lung function.
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