Title: Negative affect, respiratory reactivity, and somatic complaints in a CO2-enriched air inhalation paradigm
Authors: Stegen, K ×
Neujens, A
Crombez, G
Hermans, Dirk
Van de Woestijne, KP
Van den Bergh, Omer #
Issue Date: 1998
Publisher: Elsevier science bv
Series Title: Biological Psychology vol:49 issue:1-2 pages:109-122
Abstract: Subjects scoring high on negative affectivity (NA) are known to report more psychosomatic complaints than subjects scoring low. According to the symptom perception hypothesis, high NA subjects attend more to somatic sensations and interpret these as more threatening. We investigated the relationship between NA and psychosomatic complaints in a group of high and low NA subjects (N = 72) in, (a) a questionnaire study, and (b) in a laboratory setting. The latter involved the inhalation of three different gas mixtures (room air, 5.5% and 7.5% CO2-enriched air) while respiratory responses were registered. Subjective complaints were measured after each trial. High NA subjects reported more complaints than low NA subjects in the questionnaire study. However, NA had no main effects on complaints in the laboratory study and did not interact with the effects of gas mixture on complaints. During room air trials, NA correlated only with general arousal complaints when a strong respiratory challenge had not been given before. The pattern of results suggests that experimental inductions of complaints may largely wipe out NA-related differences in attentional/interpretative processes that may mediate the NA-complaints link. (C) 1998 Elsevier Science B.V. All rights reserved.
ISSN: 0301-0511
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Centre for Psychology of Learning and Experimental Psychopathology
Health Psychology
× corresponding author
# (joint) last author

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