Abstract:
:Although previous evidence suggests that mucosal immunity may be influenced by mental stress, the importance of the duration of stress exposure on secretory immunoglobulin A (sIgA) has yet to be fully elucidated. Salivary sIgA and cardiovascular activity were measured at rest, following 14 and 28 min of mental arithmetic, and after recovery in 24 men and women on two sessions 2-4 days apart. Mental arithmetic was, on both sessions and after both the early and late phases of the task, associated with increases in sIgA concentration and sIgA secretion rate compared to rest and recovery. Task levels of sIgA concentration and sIgA secretion rate showed moderate to high intra- and inter-session test-retest reliability, while test-retest reliability was lower for change scores. Blood pressure and pulse rate were also elevated by the mental stress task, although correlational analyses revealed that stress-induced changes in sIgA were not related to cardiovascular reactions.
journal_name
Biol Psycholjournal_title
Biological psychologyauthors
Ring C,Drayson M,Walkey DG,Dale S,Carroll Ddoi
10.1016/s0301-0511(01)00128-4keywords:
subject
Has Abstractpub_date
2002-02-01 00:00:00pages
1-13issue
1eissn
0301-0511issn
1873-6246pii
S0301051101001284journal_volume
59pub_type
杂志文章abstract::Effects of predictability of threat on potentiation of the startle reflex were investigated by presenting participants with predictable and unpredictable electric shocks. Shocks were presented either paired with a visual cue (paired condition) or unrelated to the presentation of the visual cues (unpaired condition). I...
journal_title:Biological psychology
pub_type: 杂志文章
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journal_title:Biological psychology
pub_type: 杂志文章,随机对照试验
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journal_title:Biological psychology
pub_type: 杂志文章
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更新日期:2012-02-01 00:00:00
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pub_type: 杂志文章
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pub_type: 临床试验,杂志文章,随机对照试验
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更新日期:1982-08-01 00:00:00
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pub_type: 杂志文章
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更新日期:1990-12-01 00:00:00
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pub_type: 杂志文章
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