Abstract：
:Compared to male secondary sexual traits, the effect of testosterone (T) on female ornaments is understudied. In particular, it is unclear whether females experience different costs of T elevation than do males and how this affects the relationship between T and ornamentation in the two sexes. I experimentally and correlationally investigated the effect of T on the color of the carotenoid-based beak in female zebra finches (Taeniopygia guttata). Exogenous T administration elevated beak redness, indicative of sex-steroid sensitivity for this ornament. However, unlike in males, the relationship between T and color among unmanipulated birds was inversely U-shaped, with the most colorful females circulating intermediate T levels. This is consistent with the idea that females bear high costs of elevated T levels that weaken color intensity. Likely mechanisms for such an effect include: (1) the need to traffic carotenoids away from the beak to combat the immunosuppressive effects of high T, and (2) the loss of carotenoid stores in the body (e.g. from adipose tissue) due to a T-dependent increase in lipid metabolism (T-implanted females in this study decreased in body mass). Moreover, unlike what occurs in male zebra finches, T did not upregulate levels of plasma lipoproteins (carotenoid transporters) or plasma carotenoids in females; this provides further support that T controls beak-color intensity by different physiological mechanisms in the two sexes, with perhaps more of a localized role of sex-steroids at the beak in females.
journal_name
Physiol Behavjournal_title
Physiology & behaviorauthors
McGraw KJdoi
10.1016/j.physbeh.2006.04.003subject
Has Abstractpub_date
2006-07-30 00:00:00pages
347-52issue
4-5eissn
0031-9384issn
1873-507Xpii
S0031-9384(06)00163-6journal_volume
88pub_type
杂志文章abstract：:The behavior of primiparous lactating prairie voles (Microtus ochrogaster) and their mates individually interacting with pups was continuously assessed for 45 min after a 2-h parent-litter separation on days 3-4 and 10-11 postpartum. Both sexes were highly parental after reunion with the young, and their general patte...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(98)00270-4
更新日期：1999-03-01 00:00:00
abstract：:By using the two-bottle, self-selection method it was found that an excess of thyroid hormone administration to rats increased water and sodium intake. Thyroidectomy changed the initial preference from water to sodium chloride. Oral treatment of the thyroidectomized rats with thyroid hormones brought salt ingestion ba...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(88)90231-4
更新日期：1988-01-01 00:00:00
abstract：:Neuroticism and depressive symptomatology have been related to a heightened and diminished physiological stress response, which may partly explain their negative relationship with health and wellbeing. Identifying factors that may increase disease vulnerability is especially relevant in older people, whose physiologic...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2016.01.015
更新日期：2016-03-15 00:00:00
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journal_title：Physiology & behavior
pub_type： 信件
doi：10.1016/j.physbeh.2018.11.007
更新日期：2019-02-01 00:00:00
abstract：:Recent studies suggest that the decreased drinking response to hypertonic saline produced by bilateral subdiaphragmatic vagotomy (VGX) is a function of the route of saline administration and the length of postoperative recovery. We determined the effects of VGX on drinking during the two hours after intraperitoneal an...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(82)90086-5
更新日期：1982-02-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(92)90068-d
更新日期：1992-05-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2016.05.022
更新日期：2016-09-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(90)90378-h
更新日期：1990-06-01 00:00:00
abstract：:The green anole, Anolis carolinensis, is the most thoroughly studied North American lizard species, yet little is known about the circadian system of this species. Studies in several lizard species, including Anolis, support the hypothesis that the pineal organ is the site of a major circadian pacemaker that controls ...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(00)00340-1
更新日期：2000-10-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(00)00208-0
更新日期：2000-06-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(94)90234-8
更新日期：1994-10-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(97)00478-2
更新日期：1998-02-15 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(84)90152-5
更新日期：1984-09-01 00:00:00
abstract：:We have previously shown that smell has no effect on resting parotid salivary flow in humans. In this study we investigated the effect of two odours on unilateral parotid salivary flow stimulated by either mastication or mastication with gustation. Neither odour stimulated flow above that elicited by either masticatio...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(92)90470-m
更新日期：1992-12-01 00:00:00
abstract：:The zebrafish has become increasingly utilized in behavioral neuroscience, psychopharmacology, and behavior genetics research. However, little attention has been paid to the potential effects of environmental conditions fish are exposed to before and during behavioral testing. One such important factor is temperature,...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2020.113169
更新日期：2020-12-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(75)90288-7
更新日期：1975-07-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(95)02136-1
更新日期：1996-02-01 00:00:00
abstract：:In the following experiments, an attempt was made to determine the role of the ovary in the control of food intake and body weight regulation during lactation. In the first study, it was found that concentrations of estradiol benzoate effective in suppressing food intake and body weight in nonlactating animals were no...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(76)90016-0
更新日期：1976-12-01 00:00:00
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journal_title：Physiology & behavior
pub_type： 杂志文章,评审
doi：10.1016/j.physbeh.2004.02.006
更新日期：2004-04-01 00:00:00
abstract：:The sham feeding preparation was used to determine whether systemic estradiol administration inhibits the intake of 0.8 M sucrose of ovariectomized rats by decreasing the potency of pregastric controls of ingestion. During real feeding, significant reductions in the sucrose intake of estradiol-treated rats appeared wi...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(94)00271-6
更新日期：1995-01-01 00:00:00
abstract：:Sham-operated male doves displayed greater nesting activity under long days (16L:8D) than under short days (8L:16D). This difference was abolished by pinealectomy--the activity of long-day pinealectomized birds dropped to a level comparable to that seen on short days. Removal of the pineal had no effect under the shor...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(82)90330-4
更新日期：1982-11-01 00:00:00
abstract：:Micrencephalic offspring produced by gestational treatment with the antimitotic compound/methylazoxymethanol acetate (MAM) are remarkable for substantial preservation of function concurrent with severe neural stunting. Altered behaviors in these micrencephalics, including light shyness and response perseveration, are ...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(95)00154-b
更新日期：1995-11-01 00:00:00
abstract：:Studies from the last two decades have pointed to multiple mechanisms of fear. For responding to predators, there is a group of highly interconnected hypothalamic nuclei formed by the anterior hypothalamic nucleus, the ventromedial hypothalamic nucleus and the dorsal premammillary nucleus—the predator-responsive hypot...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2015.10.013
更新日期：2015-12-01 00:00:00
abstract：:The EMG, ECG and the behavioral activity of seven rats were recorded for three days previous to and 24 hours after lesioning both caudate-putamen complexes. Following the lesion, the paradoxical sleep stage lengthened by about 248%, without noticeable changes in the slow wave sleep or in the waking stages. The greates...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(75)90133-x
更新日期：1975-01-01 00:00:00
abstract：:We have demonstrated previously that the use of an across-session progressive ratio procedure yields breakpoint values for 10% ethanol (10E) that are stable and comparable to those measured for other drugs of abuse [Alcohol. Clin. Exp. Res. 23 (1999) 1580]. The aims of the present experiment were twofold: (1). to dete...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/s0031-9384(02)00963-0
更新日期：2003-01-01 00:00:00
abstract：:Male rats were punished (0.6 mA/2 sec) for entering the shock compartment of a passive avoidance chamber. Twenty four hours later they were returned to the apparatus and confined to the grid floor of the shock compartment for 5 min (forced exposure). The bradycardic response found in control rats during forced exposur...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：
更新日期：1983-11-01 00:00:00
abstract：:In the present study we investigated the influence of body weight as defined by BMI on gustatory and olfactory perception. A total of 66 healthy adults (41 females; 25 males) participated in psychophysical measurements using the "Sniffin' Sticks" test and "Taste Strips" test. Odor thresholds as well as discrimination ...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2015.01.024
更新日期：2015-04-01 00:00:00
abstract：UNLABELLED:The aim of the present study was to assess criterion validity, and relative and absolute reliability of Polar® RS800CX heart rate monitor, compared to simultaneously recorded electrocardiogram (ECG) data, in measuring heart rate of dogs during standing position and at trot on a treadmill. METHODS:Heart beat...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2013.03.002
更新日期：2013-04-10 00:00:00
abstract：:A comparison of the interoceptive sensory consequences of cholecystokinin, bombesin, and 1-h food deprivation was conducted in rats. In two experiments, rats were first trained to use stimuli arising from different degrees of food deprivation (1 and 24 h or 1 and 4 h) as discriminative signals for shock, and were then...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/0031-9384(93)90182-f
更新日期：1993-04-01 00:00:00
abstract：:This study examined children's parasympathetic nervous system (PNS) regulation, which was indexed by respiratory sinus arrhythmia (RSA) during rest, reactivity, and recovery episodes, and sex as moderators of predicted relations between observed intrusive parenting and later observer-rated child behavior problems. Chi...
journal_title：Physiology & behavior
pub_type： 杂志文章
doi：10.1016/j.physbeh.2017.08.014
更新日期：2017-10-15 00:00:00
