abstract：:Experiments were conducted to investigate the sex-specific differences to feeding responses of the shore crab Carcinus maenas throughout the year. Results demonstrate that female shore crabs exhibit stronger feeding responses than males throughout the year with a significantly reduced feeding response in males during ...

journal_title：Hormones and behavior

authors： Hayden D,Jennings A,Müller C,Pascoe D,Bublitz R,Webb H,Breithaupt T,Watkins L,Hardege J

更新日期：2007-08-01 00:00:00

abstract：:On any given day, about 35% of 80- to 85-day-old socially naïve male (SNM) lobster cockroaches (Nauphoeta cinerea) spontaneously adopted an aggressive posture (AP) without encountering another male [spontaneous AP (SAP)]. Although SAP SNMs showed significantly higher release of the pheromone 3-hydroxy-2-butanone (3H-2...

journal_title：Hormones and behavior

authors： Chou SY,Huang ZY,Chen SC,Yang RL,Kou R

更新日期：2007-08-01 00:00:00

abstract：:Among the suite of adaptations displayed by seasonally-breeding rodents, individuals of most species display reproductive regression and concomitant decreases in gonadal steroids during the winter. In addition, some species display increased aggression in short "winter-like" days compared with long "summer-like" day l...

journal_title：Hormones and behavior

authors： Scotti MA,Place NJ,Demas GE

更新日期：2007-08-01 00:00:00

abstract：:Similarities as well as differences across species in the control of sexual behavior are helping to fully understand the subtle relations between physiology and eco-ethological constraints and how the brain integrates such information. We will illustrate this with sexual behavior in domestic ruminants and especially e...

journal_title：Hormones and behavior

authors： Fabre-Nys C,Gelez H

更新日期：2007-06-01 00:00:00

abstract：:In human females cyclic shifts in preference have been documented for odour and physical and behavioral male traits. Women prefer the smell of dominant males, more masculine male faces and men behaving more dominantly when at peak fertility than at other times in their menstrual cycle. Here we examine variation in pre...

journal_title：Hormones and behavior

authors： Little AC,Jones BC,Burriss RP

更新日期：2007-05-01 00:00:00

abstract：:Many seasonally breeding vertebrate species have an associated reproductive pattern: mating behavior, gonadal activity, and peak circulating androgen levels occur simultaneously. In these species, androgens influence the expression of male mating behavior. Other species have a dissociated reproductive pattern: mating ...

journal_title：Hormones and behavior

authors： Benner SL,Woodley SK

更新日期：2007-04-01 00:00:00

abstract：:Androgen levels show strong patterns throughout the year in male vertebrates and play an important role in the seasonal modulation of the frequency, intensity and persistence of aggression. The Challenge Hypothesis (Wingfield, J.C., Hegner, R.E., Dufty, A.M., Ball, G.F., 1990. The "Challenge Hypothesis": Theoretical i...

journal_title：Hormones and behavior

authors： Goymann W,Landys MM,Wingfield JC

更新日期：2007-04-01 00:00:00

abstract：:Detrimental consequences of prenatal stress include increased hypothalamic-pituitary-adrenal (HPA) function, anxiety and depression-like behavior in adult offspring. To identify the role of maternal corticosterone milieu in the fetal programming of adult function, we measured these same behavioral and hormonal endpoin...

journal_title：Hormones and behavior

authors： Wilcoxon JS,Redei EE

更新日期：2007-03-01 00:00:00

abstract：:Children exhibit gender-typical preferences in play, toys, activities and interests, and playmates. Several studies suggest that high concentrations of pre- and postnatal androgens contribute to male-typical behavior development, whereas female-typical behavior develops in the absence of high androgens levels. This st...

journal_title：Hormones and behavior

authors： Jürgensen M,Hiort O,Holterhus PM,Thyen U

更新日期：2007-03-01 00:00:00

abstract：:Estrogen Therapy (ET) may protect against age-related cognitive decline and neuropsychiatric disorders (e.g. Alzheimer's disease). The biological basis for this putative neuroprotective effect is not fully understood, but may include modulation of cholinergic systems. Cholinergic dysfunction has been implicated in age...

journal_title：Hormones and behavior

authors： Norbury R,Travis MJ,Erlandsson K,Waddington W,Ell PJ,Murphy DG

更新日期：2007-02-01 00:00:00

abstract：:The concept of personality implies individual differences in behavior and physiology that show some degree of repeatability/consistency over time and across contexts. Most studies of animal personality, particularly studies of individuals' variation in physiological mechanisms, have been conducted on selected individu...

journal_title：Hormones and behavior

authors： Kralj-Fiser S,Scheiber IB,Blejec A,Moestl E,Kotrschal K

更新日期：2007-02-01 00:00:00

abstract：:Findings from previous studies of hormone-mediated behavior in women suggest that raised progesterone level increases the probability of behaviors that will reduce the likelihood of disruption to fetal development during pregnancy (e.g. increased avoidance of sources of contagion). Here, we tested women's (N=52) sensi...

journal_title：Hormones and behavior

authors： Conway CA,Jones BC,DeBruine LM,Welling LL,Law Smith MJ,Perrett DI,Sharp MA,Al-Dujaili EA

更新日期：2007-02-01 00:00:00

abstract：:Conspicuous sexual swellings in the females of some primate species have been a focus of scientific interest since Darwin first wrote about them in 1871. To understand these visual signals, research focused on exaggerated sexual swellings of Old World primates. However, some primate species develop much smaller sexual...

journal_title：Hormones and behavior

authors： Barelli C,Heistermann M,Boesch C,Reichard UH

更新日期：2007-02-01 00:00:00

abstract：:In many anthropoid primates, mating activity is not restricted to the ovarian cycle but also occurs during pregnancy. Although it has been suggested that the main function of this post-conception mating is to confuse paternity, studies showing whether or not male primates can distinguish between the fertile phase of t...

journal_title：Hormones and behavior

authors： Engelhardt A,Hodges JK,Heistermann M

更新日期：2007-01-01 00:00:00

abstract：:Women are at higher risk of anxiety and mood disorders, especially at transitions across the reproductive life cycle (premenstruum, postpartum, menopause). Premenstrual dysphoric disorder (PMDD) is one of female mood disorders associated with changing ovarian hormone levels. Because anxiety and depression frequently o...

journal_title：Hormones and behavior

authors： Schneider T,Popik P

更新日期：2007-01-01 00:00:00

abstract：:Developmental plasticity of HPA and fear responses in rats has been proposed to be mediated by environment-dependent variation in active maternal care. Here, we review this maternal mediation hypothesis based on the postnatal manipulation literature and on our own recent research in rats. We show that developmental pl...

journal_title：Hormones and behavior

authors： Macrì S,Würbel H

更新日期：2006-12-01 00:00:00

abstract：:Early life experiences are important for the development of neurobiobehavioral mechanisms and subsequent establishment of mental functions. In experimental animals, early life experiences can be studied using the maternal separation model. Maternal separation has been described to induce neurobiological changes and th...

journal_title：Hormones and behavior

authors： Roman E,Gustafsson L,Berg M,Nylander I

更新日期：2006-12-01 00:00:00

abstract：:Social relationships are essential for maintaining human mental health, yet little is known about the brain mechanisms involved in the development and maintenance of social bonds. Animal models are powerful tools for investigating the neurobiological mechanisms regulating the cognitive processes leading to the develop...

journal_title：Hormones and behavior

authors： Lim MM,Young LJ

更新日期：2006-11-01 00:00:00

abstract：:Adolescence is a period during which many social behaviors emerge. One such behavior, flank marking, is a testosterone-modulated scent marking behavior that communicates dominance status between adult male Syrian hamsters. Testosterone modulates flank-marking behavior by altering neural transmission of vasopressin wit...

journal_title：Hormones and behavior

authors： Schulz KM,Menard TA,Smith DA,Albers HE,Sisk CL

更新日期：2006-09-01 00:00:00

abstract：:Chemosensory stimuli and sex steroid hormones are both required for the full expression of social behaviors in many species. The terrestrial salamander, Plethodon shermani, is an emerging nonmammalian system for investigating the nature and evolution of pheromonal communication, yet little is known regarding the role ...

journal_title：Hormones and behavior

authors： Schubert SN,Houck LD,Feldhoff PW,Feldhoff RC,Woodley SK

更新日期：2006-09-01 00:00:00

abstract：:We tested whether subordinate helper males of the Lake Tanganyika cooperatively breeding cichlid Neolamprologus pulcher show elevated excretion levels of the stress hormone cortisol and reduced levels of 11-ketotestosterone and testosterone when living in groups with a small breeder male, compared to similar helper ma...

journal_title：Hormones and behavior

authors： Bender N,Heg D,Hamilton IM,Bachar Z,Taborsky M,Oliveira RF

更新日期：2006-08-01 00:00:00

abstract：:Naked mole-rats (Heterocephalus glaber) are fossorial, eusocial rodents that live in colonies which typically include 60-80 individuals. Generally, only one of the females and 1-3 of the males in a colony are reproductives. The reproductives engage in mutual genital nuzzling behavior that is rarely exhibited by subord...

journal_title：Hormones and behavior

authors： Goldman SL,Forger NG,Goldman BD

更新日期：2006-06-01 00:00:00

abstract：:Humans and wildlife are exposed to numerous anthropogenic drugs and pollutants. Many of these compounds are hormonally active, and recent evidence suggests that the presence of these endocrine disruptors permanently alters normal development and physiology in a variety of vertebrate species. Here, we report on the eff...

journal_title：Hormones and behavior

authors： Ryan BC,Vandenbergh JG

更新日期：2006-06-01 00:00:00

abstract：:Like many teleosts, male bluegill sunfish (Lepomis macrochirus) provide sole parental care. To understand some of the proximate costs of parental care, we measured body condition and plasma levels of testosterone (T), 11-ketotestosterone (11KT) and cortisol in nesting bluegill males during pre-spawning, spawning and p...

journal_title：Hormones and behavior

authors： Magee SE,Neff BD,Knapp R

更新日期：2006-05-01 00:00:00

abstract：:It has been suggested that male achievement in sports and athletics is correlated with a putative measure of prenatal testosterone the 2nd to 4th digit ratio (2D:4D). It is not known whether this association also extends to females, or whether the association results from an effect of testosterone on behavior (such as...

journal_title：Hormones and behavior

authors： Hönekopp J,T Manning J,Müller C

更新日期：2006-04-01 00:00:00

abstract：:Competition among males for a limited number of females may result in the expression of condition-dependent alternative mating tactics. In such cases, decision rules mediating mating tactic expression are likely to be influenced by a male's external as well as internal environment. For example, experimental studies wi...

journal_title：Hormones and behavior

authors： Leary CJ,Garcia AM,Knapp R

更新日期：2006-04-01 00:00:00

abstract：:Studies examining the roles of estrogens and progestins on spatial cognition have been highly contradictory. To determine if the hormonal environment of pregnancy affects spatial cognition, pregnant (n = 7) and virgin (n = 7) Hooded Long-Evans rats were tested in a Morris water maze throughout the 3 weeks of pregnancy...

journal_title：Hormones and behavior

authors： Bodensteiner KJ,Cain P,Ray AS,Hamula LA

更新日期：2006-03-01 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

authors： Pawluski JL,Walker SK,Galea LA

更新日期：2006-02-01 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

authors： Kinsley CH,Trainer R,Stafisso-Sandoz G,Quadros P,Marcus LK,Hearon C,Meyer EA,Hester N,Morgan M,Kozub FJ,Lambert KG

更新日期：2006-02-01 00:00:00

abstract：:Estrogen impairs performance on some striatum-sensitive tasks of learning and memory. Evidence indicates that it may have these impairing effects by creating a bias to use hippocampally based strategies to solve tasks whether or not it is advantageous to do so. Estrogen may also exert direct effects in the striatum to...

journal_title：Hormones and behavior

authors： Daniel JM,Sulzer JK,Hulst JL

更新日期：2006-01-01 00:00:00

abstract：:Biparental male hamsters, Phodopus campbelli, act as midwives during the birth of their litter and are highly responsive to an experimentally displaced pup. They also have high peripheral concentrations of estradiol, a hormone with known roles in maternal behavior. Surgical castration during the gestation of their fir...

journal_title：Hormones and behavior

authors： Hume JM,Wynne-Edwards KE

更新日期：2005-09-01 00:00:00

abstract：:Previous studies of changes in women's behavior during the menstrual cycle have offered insight into the motivations underpinning women's preferences for social cues associated with possible direct benefits (e.g., investment, low risk of infection) and indirect benefits (e.g., offspring viability). Here we sought to e...

journal_title：Hormones and behavior

authors： Jones BC,Little AC,Boothroyd L,Debruine LM,Feinberg DR,Smith MJ,Cornwell RE,Moore FR,Perrett DI

更新日期：2005-09-01 00:00:00

abstract：:The effects of castration and hormone treatment on cognitive performance were evaluated in male rats. Castrated animals received either testosterone or estradiol and were compared with gonadally intact animals and with castrated controls. Results revealed a dissociation between the effects of testosterone and estradio...

journal_title：Hormones and behavior

authors： Gibbs RB

更新日期：2005-09-01 00:00:00

abstract：:Interspecific differences in the neuropeptide systems of the lateral septum (LS) often parallel differences in social behavior. In rodents, some closely related species that differ in aggressive behavior also differ according to the level of vasopressin (VP) innervation of the LS. In songbirds, the neuropeptides vasot...

journal_title：Hormones and behavior

authors： Maney DL,Erwin KL,Goode CT

更新日期：2005-08-01 00:00:00

abstract：:Based on a wide variety of data, it is now clear that birds and teleost (bony) fish possess a core "social behavior network" within the basal forebrain and midbrain that is homologous to the social behavior network of mammals. The nodes of this network are reciprocally connected, contain receptors for sex steroid horm...

journal_title：Hormones and behavior

authors： Goodson JL

更新日期：2005-06-01 00:00:00

abstract：:In many bird species, males exhibit territorial aggression outside the breeding season, when testosterone concentrations are low and may not regulate territorial behaviors. The hormonal regulation of aggression at this time of year has only been studied in passerine birds. Here, we investigated the role of testosteron...

journal_title：Hormones and behavior

authors： Mougeot F,Dawson A,Redpath SM,Leckie F

更新日期：2005-05-01 00:00:00

abstract：:To investigate whether changes in testosterone alter the frequency range in which a zebra finch produces song, we assigned male zebra finches to two groups, one of which received testosterone implants and the other empty silastic capsule implants. We then recorded songs up to 52 weeks after the surgery and measured fr...

journal_title：Hormones and behavior

authors： Cynx J,Bean NJ,Rossman I

更新日期：2005-04-01 00:00:00

abstract：:Social interactions are important factors determining and regulating individual behaviors. Testosterone has been related to agonistic interactions, while glucocorticoids have been related to social stress, especially during interactions of dominance. We compared testosterone and cortisol concentrations in male degus (...

journal_title：Hormones and behavior

authors： Soto-Gamboa M,Villalón M,Bozinovic F

更新日期：2005-03-01 00:00:00

abstract：:In most male birds that exhibit paternal care, extending the spring testosterone (T) peak throughout the breeding season reduces nestling provisioning. However, in some species, this trade-off between high T and expression of paternal care is absent. For example, during some or all of the nestling period, T did not af...

journal_title：Hormones and behavior

authors： Lynn SE,Walker BG,Wingfield JC

更新日期：2005-02-01 00:00:00

abstract：:The time of day at which mating occurs is dramatically different in diurnal compared to nocturnal rodents. We used a diurnal murid rodent, Arvicanthis niloticus, to determine if inverted rhythms in responsiveness to hormones contribute to this difference. Male and hormone-primed female grass rats were tested for matin...

journal_title：Hormones and behavior

authors： Mahoney MM,Smale L

更新日期：2005-01-01 00:00:00