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Psychosom Med. 2011 May;73(4):288-94. doi: 10.1097/PSY.0b013e3182155c83. Epub 2011 May 2.

Behavioral inhibition is associated with airway hyperresponsiveness but not atopy in a monkey model of asthma.

Author information

1
California National Primate Research Center, University of California, One Shields Ave, Davis, CA 95616, USA. jpcapitanio@ucdavis.edu

Abstract

OBJECTIVE:

To determine whether indicators of behavioral inhibition and cortisol responses to stressful situations, obtained in infancy, were associated with asthma-related measures (atopy and airway hyperresponsiveness [AHR]) approximately 2 years later.

METHODS:

Measures reflecting inhibited temperament and cortisol response after a 25-hour separation from mother and relocation to a novel room were obtained for 21 rhesus monkeys (mean age, 109 days; range, 91-122 days). Inhibited temperament was measured by reduced emotionality and increased vigilance. Atopy and AHR were assessed after 2 years (age range, 19-35 months) using skin tests to common aeroallergens and inhaled methacholine challenge, respectively.

RESULTS:

No associations were found between atopy and either behavioral inhibition or cortisol levels (p > .56). Low emotionality was associated with AHR (r = 0.47, p = .03), and a trend was found for blunted cortisol responsiveness and AHR (r = 0.42, p = .06).

CONCLUSIONS:

Inhibited temperament and blunted cortisol responsiveness may be related to the development of AHR that is common to both nonatopic and atopic asthma phenotypes and may indicate risk for nonatopic asthma specifically.

PMID:
21536834
PMCID:
PMC3090450
DOI:
10.1097/PSY.0b013e3182155c83
[Indexed for MEDLINE]
Free PMC Article
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