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151 results for “Sexual behavior”
Data from: Multiple sexual signals and behavioral reproductive isolation in a diverging population
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Data from: Behavioral elements and sensory cues involved in sexual isolation between Drosophila melanogaster strains
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Data from: Duetting behavior in a Neotropical ovenbird: sexual and seasonal variation and adaptive signaling functions
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Data from: Sexual selection across sensory modalities: female choice of male behavioral and gustatory displays
The role of cuticular hydrocarbons in sexual displays has received considerable interest over the last two decades. For example, multiple studies have documented significant directional and nonlinear sexual selection acting on the cuticular hydrocarbon profiles of both male and female insects. The majority of these studies have excluded other sensory modalities that may influence attractiveness, and measured selection using laboratory raised individuals. Furthermore, much of this work has been conducted using drosophilid fruit flies and crickets, and investigations using different taxa are necessary to improve our understanding of broader taxonomic trends. Here we extend our understanding of sexual selection on cuticular hydrocarbons by measuring selection imposed by female mate choice on male bull-horned dung beetles, Onthophagus taurus. Both male and female beetles used in our study were collected from the field, ensuring that our estimates of selection incorporated some degree of naturally occurring variation in both cuticular hydrocarbon profiles and female mate preferences. Consistent with previous studies on this species, we found significant directional selection on male courtship displays. We also found significant nonlinear selection on the male cuticular hydrocarbon profile acting independently of the influence of behavioral courtship. Our data are consistent with a role for cuticular hydrocarbons in the mating system of this species and suggest that female O. taurus use multiple sensory modalities to assess different aspects of male quality.
Data from: Gender-related behaviors: evidence for a trade-off between sexual functions in a hermaphrodite
According to sex allocation theory, hermaphrodites are expected to allocate most of their reproductive resources to the female function when there is a low level of mate competition and to shift them to the male function when mate competition increases: sex allocation theory assumes that there is a trade-off between sexual functions. Although several studies highlight some adjustments of sex allocation according to mating opportunities, empirical support for the trade-off between sexual functions is surprisingly scarce. Here we argue that this lack of support for a trade-off might partially depend on the fact that sex allocation studies often overlook gender-related traits other than gamete production. We investigated whether parental care (a putative female behavior) and motility (a proxy for mate searching, and a putative male behavior) varied plastically according to mating opportunities in the hermaphroditic polychaete worm Ophryotrocha diadema. We found that parental care was higher under low mating opportunities while motility increased under high mating opportunities, and that the two behaviors were negatively correlated with each other – i.e. there was a trade-off between them. We also observed the behavior of a separate-sex species closely-related to O. diadema – Ophryotrocha labronica. We found that males moved more than females in the separate-sex species and that mothers performed more parental care than fathers in both Ophryotrocha species. Our results provide convincing evidence in support of a trade-off between sexual functions and highlight the importance of investigating sex-allocation adjustments in reproductive traits others than gametes.
Data from: Sex-related online behaviors, perceived peer norms and adolescents' experience with sexual behavior: testing an integrative model
Research on the role of sex-related Internet use in adolescents' sexual development has often isolated the Internet and online behaviors from other, offline influencing factors in adolescents' lives, such as processes in the peer domain. The aim of this study was to test an integrative model explaining how receptive (i.e., use of sexually explicit Internet material [SEIM]) and interactive (i.e., use of social networking sites [SNS]) sex-related online behaviors interrelate with perceived peer norms in predicting adolescents' experience with sexual behavior. Structural equation modeling on longitudinal data from 1,132 Dutch adolescents (Mage T1 = 13.95; range 11-17; 52.7% boys) demonstrated concurrent, direct, and indirect effects between sex-related online behaviors, perceived peer norms, and experience with sexual behavior. SEIM use (among boys) and SNS use (among boys and girls) predicted increases in adolescents' perceptions of peer approval of sexual behavior and/or in their estimates of the numbers of sexually active peers. These perceptions, in turn, predicted increases in adolescents' level of experience with sexual behavior at the end of the study. Boys' SNS use also directly predicted increased levels of experience with sexual behavior. These findings highlight the need for multisystemic research and intervention development to promote adolescents' sexual health.
FIGURE 2 in Description of the female of Eutichurus ibiuna Bonaldo, 1994 (Araneae: Eutichuridae) with notes on natural history and sexual behavior
FIGURE 2. Live specimens of Eutichurus ibiuna: A male (FCE-Ar 6204); B female (FCE-Ar 4809).
Fig. 10 in Sexual Dimorphism and Agonistic Behavior of Exechesops leucopis (Jordan) (Coleoptera: Anthribidae: Anthribinae)
Fig. 10. Fighting between two males of Exechesops leucopis.
Supplementary material 2 from: Gauthey Z, Tentelier C, Lepais O, Elosegi A, Royer L, Glise S, Labonne J (2017) With our powers combined: integrating behavioral and genetic data to estimate mating success and sexual selection. Rethinking Ecology 2: 1-26. https://doi.org/10.3897/rethinkingecology.2.14956
JAGS code for the model : Data type: Programming code.
Supplementary material 1 from: Gauthey Z, Tentelier C, Lepais O, Elosegi A, Royer L, Glise S, Labonne J (2017) With our powers combined: integrating behavioral and genetic data to estimate mating success and sexual selection. Rethinking Ecology 2: 1-26. https://doi.org/10.3897/rethinkingecology.2.14956
Data and model outputs : Data type: Body size, behavioural and genetic data, and model output.
Figure 1 from: Olivero P, Robillard T (2017) Same-sex sexual behavior in Xenogryllus marmoratus (Haan, 1844) (Grylloidea: Gryllidae: Eneopterinae): Observation in the wild from YouTube. Journal of Orthoptera Research 26: 1-5. https://doi.org/10.3897/jor.26.14569
Figure 1 - Screenshots of the video showing same-sex sexual behavior between males of Xenogryllus marmoratus (Haan, 1844). For details, see the results section.
Figure 1 from: Olivero P, Robillard T (2017) Same-sex sexual behavior in Xenogryllus marmoratus (Haan, 1844) (Grylloidea: Gryllidae: Eneopterinae): Observation in the wild from YouTube. Journal of Orthoptera Research 26: 1-5. https://doi.org/10.3897/jor.26.14569
Figure 1 - Screenshots of the video showing same-sex sexual behavior between males of Xenogryllus marmoratus (Haan, 1844). For details, see the results section.
Fig. 4 in Sexual behavior of the digger wasp Sphex ingens Smith (Hymenoptera, Sphecidae)
Fig. 4. Diagram representing the Markov chain for the sexual behavior repertoire of the wasp Sphex ingens Smith 1856 (Hymenoptera, Sphecidae). Symbols represent sexes. Symbol size and line thickness represent the frequency of occurrence of each behavior. Arrowheads represent the transition from one behavior to the next and arrow thickness represents the frequency class.
Fig. 3 in Sexual behavior of the digger wasp Sphex ingens Smith (Hymenoptera, Sphecidae)
Fig. 3. Sequence of the copulation phase: (A) beginning of aedeagus intromission. Copulation during nest digging – female carrying a clod of sand. (B) Connubium, gaster's contraction movements. (C) Connubium, gaster's bending movements. (D) Successful copulation – clasping of clasping organs. Male with the body vertically inclined and female self-cleaning. Photo by: Jonas Pederassi.
Fig. 1 in Sexual behavior of the digger wasp Sphex ingens Smith (Hymenoptera, Sphecidae)
Fig. 1. Comparative fluctuation between the logarithmized and non-significant frequency (x2 = 16.622, df = n − 1, p <0.01) of the common behavioral acts of Sphex ingens Smith 1856 (Hymenoptera, Sphecidae). The common behavioral acts were: antennation (ANCO), wing fanning (WIFA), connubium/strict copulation (CONN), genital clasping/successful copulation (SUCC), no genital clasping/unsuccessful copulation (UNSU), permanence of males in the nesting arena (PERM), and dispersion/males leave the nesting arena (DISP).
Data set: Comparison of the predictive capacity of the erotophobia-erotophilia and the attitudes toward sexual behaviors in the sexual experience of young adults
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Sex, Digital Devices, Social Medias and Social Isolation: A study of sexual behavioral during COVID -19 Pandemic
<p>Study data</p>
Double-Blind Naltrexone in Compulsive Sexual Behavior
ClinicalTrials.gov study NCT00467558. IPD Sharing: Not stated. Countries: 1. Publications: 0.
Web-Based Cognitive Behavioral Stress Management for Latino Sexual Minority Men Living With HIV and Cancer
ClinicalTrials.gov study NCT03993054. IPD Sharing: NO. Countries: 1. Publications: 0.
Effects of Infertility and Assisted Reproductive Technology on Sexual Function and Behavior
ClinicalTrials.gov study NCT07376109. IPD Sharing: NO. Countries: 1. Publications: 0.
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Allen Brain Atlas
Allen Brain Atlas is an Allen Institute collection of brain map atlases, datasets, APIs, and analysis tools covering mouse, human, and non-human primate brain resources.
Annotated Behaviour and Observability Dataset (ABODe)
ABODe is a University of Edinburgh DataShare dataset for behavior classification in group-housed mice using home-cage video, identities, bounding boxes, ground-plate positions, and annotator labels.
DANDI Archive for NWB datasets
DANDI is a BRAIN Initiative archive for publishing and sharing neurophysiology data, including electrophysiology, optophysiology, and behavioral data packaged as NWB and related standards.
International Brain Laboratory public data
The International Brain Laboratory public data releases expose standardized mouse decision-making experiments, including Neuropixels recordings, widefield calcium imaging, behavior, and session metadata accessed through the ONE API.
OpenNeuro
OpenNeuro is a free, open platform for sharing neuroimaging datasets, with public search, dataset pages, and download paths for web, S3, DataLad, and the OpenNeuro CLI.