Abstract:
:The maturation of the hypothalamo-pituitary-adrenal (HPA) axis is a key-component of the changes that occur during adolescence. In guinea pigs, HPA responsiveness during late adolescence depends strongly on the quantity and quality of social interactions: Males that lived in a large mixed-sex colony over the course of adolescence exhibit a lower stress response than males that were kept in pairs (one male/one female). Since colony-housed males have higher testosterone (T) levels than pair-housed males, and inhibiting effects of T on HPA function are well known, we tested the hypothesis that the decrease in stress responsiveness found in colony-housed males is due to their high T concentrations. We manipulated T levels in two experiments: 1) gonadectomy/sham-gonadectomy of colony-housed males (which usually have high T levels), 2) application of T undecanoate/vehicle to pair-housed males (which usually have low T levels). As expected, gonadectomized males showed a significantly increased stress response in comparison with sham-gonadectomized males, and T-injected males had a significantly lower stress response than vehicle-injected males. Both experiments thus confirm an inhibiting effect of T on HPA responsiveness during adolescence, which can mediate the influence of social interactions. The reduction in stress responsiveness is hypothesized to have a biologically adaptive value: A sudden increase in glucocorticoid concentrations can enhance aggressive behavior. Thus, pair-housed males might be adapted to aggressively defend their female ('resource defense strategy'), whereas colony-housed males display little aggressive behavior and are capable of integrating themselves into a colony ('queuing strategy').
journal_name
Horm Behavjournal_title
Hormones and behaviorauthors
Lürzel S,Kaiser S,Krüger C,Sachser Ndoi
10.1016/j.yhbeh.2011.09.007subject
Has Abstractpub_date
2011-11-01 00:00:00pages
691-8issue
5eissn
0018-506Xissn
1095-6867pii
S0018-506X(11)00218-2journal_volume
60pub_type
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journal_title:Hormones and behavior
pub_type: 杂志文章
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更新日期:2020-11-01 00:00:00
abstract::The transition to motherhood results in a number of hormonal, neurological, and behavioral changes necessary to ensure offspring survival. Once motherhood is established, further neurological and behavioral changes may result with additional parity and mothering. Recent research has shown that motherhood enhances both...
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::Estradiol-17β (E2) synthesized in the brain plays a critical role in the activation of sexual behavior in many vertebrate species. Because E2 concentrations depend on aromatization of testosterone, changes in aromatase enzymatic activity (AA) are often utilized as a proxy to describe E2 concentrations. Utilizing two t...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2013.12.011
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abstract::MSP is a male-specific protein initially identified in the serum of sexually active Sarotherodon galilaeus males, and is shown herein to be present in the serum of sexually mature males, but not females, of three other tilapia species. Cloning of the MSP cDNA and analysis of its predicted amino-acid sequence revealed ...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2008.03.014
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journal_title:Hormones and behavior
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更新日期:2018-06-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 临床试验,杂志文章
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abstract::We tested the two main evolutionary hypotheses for an association between immunity and personality. The risk-of-parasitism hypothesis predicts that more proactive (bold, exploratory, risk-taking) individuals have more vigorous immune defenses because of increased risk of parasite exposure. In contrast, the pace-of-lif...
journal_title:Hormones and behavior
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/0018-506x(83)90012-0
更新日期:1983-03-01 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:2021-01-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2015.03.006
更新日期:2015-05-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/0018-506x(87)90010-9
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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
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doi:10.1016/j.yhbeh.2018.12.004
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abstract::There is growing evidence from preclinical studies for an involvement of orexins (ORX) in the regulation of stress, affectivity and addictive behavior. The aim of our study was to gather corresponding clinical data and to elucidate the relationships between alcohol withdrawal stress, ORX plasma concentration and psych...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2011.08.017
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2007.04.013
更新日期:2007-08-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2012.09.005
更新日期:2012-11-01 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.2004.04.010
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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.2009.12.012
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1006/hbeh.1996.0049
更新日期:1996-12-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2014.01.004
更新日期:2014-03-01 00:00:00
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journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2007.03.004
更新日期:2007-08-01 00:00:00
abstract::Responses to vibrotactile stimuli were examined in men as a function of chronic exposure to either exogenous or endogenous androgens. Psychophysical techniques were used to evaluate thresholds to stimulus detection and perceived stimulus intensities in response to mild vibration applied to either the finger or the pen...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/0018-506x(91)90050-r
更新日期:1991-06-01 00:00:00
abstract::There is broad acceptance for the idea that during development estradiol 'organizes' many aspects of reproductive behavior including partner preferences in the laboratory rat. With respect to partner preference, this idea is drawn from studies where estrogen action was in someway blocked, either through aromatase or e...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2008.08.009
更新日期:2009-01-01 00:00:00
abstract::Short-term fluctuations in steroid hormones such as estradiol (E2) and progesterone (P) can affect the concentration of hippocampal dendritic spines in adult, cycling nulliparous female rats. Pregnancy is characterized by a significantly longer duration of substantially elevated E2 and P compared to the estrous cycle....
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
abstract::Selective breeding of rats exhibiting differences in novelty-induced locomotion revealed that this trait predicts several differences in emotional behavior. Bred High Responders (bHRs) show exaggerated novelty-induced locomotion, aggression, and psychostimulant self-administration, compared to bred Low Responders (bLR...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/j.yhbeh.2010.02.004
更新日期:2010-04-01 00:00:00
abstract::Lesions of the preoptic area and immediately adjacent septal area were made in female American toads, Bufo americanus. The ability to show mating call phonotaxis (MCP) was then tested for. The intensity of MCP was found to decrease as the degree of damage to the anterior tip of the anterior preoptic nucleus (APON) inc...
journal_title:Hormones and behavior
pub_type: 杂志文章
doi:10.1016/0018-506x(89)90070-6
更新日期:1989-03-01 00:00:00