Abstract:
:Hormones play a central role in integrating internal and external cues to help mediate life-history decisions as well as changes in behavior and physiology of individuals. Describing the consistency of endocrine traits within and among individuals is an important step for understanding whether hormonal traits are dependable predictors of phenotypes that selection could act upon. However, few long-term field studies have investigated the individual consistency of hormonal traits. Glucocorticoid hormones mediate homeostatic responses to environmental variation as well as stress responses to acute, unpredictable disturbances. We characterized the repeatability of plasma corticosterone concentrations in two species of free-living passerines across multiple years. We found repeatability in baseline corticosterone concentrations in both sexes of great tits (Parus major) and in female tree swallows (Tachycineta bicolor) within the breeding season but no repeatability of this trait among seasons or across years. Stress-induced levels of corticosterone were only assessed in great tits and were not repeatable in either sex. Our data suggest that in line with their function in mediating responses of individuals to longer-term and acute demands, both baseline and stress-induced plasma corticosterone concentrations are rather plastic traits. However, individuals may differ in their degree of trait plasticity and hence in behavioral and physiological responses to a variety of organismal challenges.
journal_name
Horm Behavjournal_title
Hormones and behaviorauthors
Ouyang JQ,Hau M,Bonier Fdoi
10.1016/j.yhbeh.2011.08.004subject
Has Abstractpub_date
2011-11-01 00:00:00pages
559-64issue
5eissn
0018-506Xissn
1095-6867pii
S0018-506X(11)00186-3journal_volume
60pub_type
杂志文章abstract::Corticotropin-releasing factor (CRF) plays a critical role in the mediation of physiological and behavioral responses to stressors. In the present study, we investigated the role played by the CRF system within the medial amygdala (MeA) in the modulation of anxiety and fear-related responses. Male Wistar rats were bil...
journal_title:Hormones and behavior
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journal_title:Hormones and behavior
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journal_title:Hormones and behavior
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abstract::From the U.S. to Europe and Australia anabolic steroid abuse remains high in the adolescent population. This is concerning given that anabolic steroid use is associated with a higher incidence of pathological anxiety that often appears during withdrawal from use. This study uses pubertal Syrian hamsters (Mesocricetus ...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2012.09.007
更新日期:2012-11-01 00:00:00
abstract::Individually housed male mice were exposed to either an intact male or an ovariectomized female mouse for 1 min and decapitated at 5, 15, or 60 min to examine the hypothesis whether discrete changes in olfactory bulb neuropeptide (LHRH and TRH) and neurotransmitter (NE and DA) concentrations would occur following onse...
journal_title:Hormones and behavior
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journal_title:Hormones and behavior
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doi:10.1016/j.yhbeh.2008.12.008
更新日期:2009-03-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
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更新日期:1990-06-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2007.07.003
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journal_title:Hormones and behavior
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2008.09.008
更新日期:2009-01-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2018.10.002
更新日期:2018-11-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1006/hbeh.2002.1803
更新日期:2002-08-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/s0018-506x(03)00004-7
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2011.08.010
更新日期:2011-11-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1006/hbeh.1997.1421
更新日期:1997-12-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2005.05.017
更新日期:2006-02-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章,评审
doi:10.1016/j.yhbeh.2014.02.007
更新日期:2014-06-01 00:00:00
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journal_title:Hormones and behavior
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journal_title:Hormones and behavior
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2004.07.006
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journal_title:Hormones and behavior
pub_type: 杂志文章
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journal_title:Hormones and behavior
pub_type: 杂志文章,评审
doi:10.1016/j.yhbeh.2014.08.010
更新日期:2015-02-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2006.06.016
更新日期:2006-12-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/0018-506x(91)90038-j
更新日期:1991-03-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2013.12.017
更新日期:2014-03-01 00:00:00
abstract::Ghrelin is an orexigenic hormone that regulates homeostatic and reward-related feeding behavior. Recent evidence indicates that acylation of ghrelin by the gut enzyme ghrelin O-acyl transferase (GOAT) is necessary to render ghrelin maximally active within its target tissues. Here we tested the hypothesis that GOAT act...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2012.08.009
更新日期:2012-11-01 00:00:00
abstract::Many studies have attempted to identify biological factors that reliably predict individual differences in women's preferences for masculine male faces. Marcinkowska et al. (2018, Hormones & Behavior) recently reported that women's (N = 102) preferences for facial masculinity were predicted by the interaction between ...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2018.12.004
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