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Social and Behavioral Sciences Commons

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Articles 1 - 9 of 9

Full-Text Articles in Social and Behavioral Sciences

Effects Of Exercise On Fear Behavior In Zebrafish (Danio Rerio), Tyler Kuni Apr 2022

Effects Of Exercise On Fear Behavior In Zebrafish (Danio Rerio), Tyler Kuni

Student Scholar Showcase

The experiment shows the response of zebrafish when they are exposed to environments stimulating fear and how exercise will affect the behaviors of the fish in those environments. It is predicted that the behavior of fish receiving exercise before fear conditioning will show less behaviors associated with fear and anxiety. The subjects were exercised in a large water pump apparatus that creates a current for the fish to swim against, and then they were used in a classical fear conditioning protocol. Zebrafish behavior is recorded before and after fear conditioning is conducted. The speed of the subject’s swimming along with …


Predictors Of Testosterone In Male African Elephants (Loxodonta Africana), Kaitlyn Campbell Mar 2020

Predictors Of Testosterone In Male African Elephants (Loxodonta Africana), Kaitlyn Campbell

UNO Student Research and Creative Activity Fair

Male African elephant (Loxodonta africana) populations in zoos suffer from a range of reproductive complications. In particular, insufficient testosterone production can have a detrimental effect on spermatogenesis and fertility. Few studies have explored the potential social, environmental, physiological and physical factors that influence bull testosterone levels in a zoo environment. The present study will collect endocrine and metabolic information from weekly fecal and blood serum samples taken over the course of the six-month study period. Social and environmental data will be collected in a survey provided to the institutions. Results will highlight the key factors contributing to fluctuations in testosterone …


Juvenile Hormone Mediation In An Insect With Parental Care Behavior, Jessica M. Rodino Mar 2020

Juvenile Hormone Mediation In An Insect With Parental Care Behavior, Jessica M. Rodino

UNO Student Research and Creative Activity Fair

Juvenile hormone (JH) is a well-known catalyst for hormonal processes in insects. However, the role of JH in insects that exhibit parental behavior is unknown. We investigated the influence of JH on parental behavior in the burying beetle (Nicrophorus orbicollis). In the first experiment, we manipulated the JH production of females via the administration of varying doses of fluvastatin sodium immediately following oviposition. We found that with increasing fluvastatin dosage, the total mass of offspring and number of offspring decreased while at the same time less of the food source was consumed. These results suggest a link between …


Food Preferences Of Red-Headed Woodpeckers (Melanerpes Erythrocephalus) And The Relationship With Season Change, Crystal Sauder Apr 2019

Food Preferences Of Red-Headed Woodpeckers (Melanerpes Erythrocephalus) And The Relationship With Season Change, Crystal Sauder

Scholar Week 2016 - present

Red-headed woodpeckers (Melanerpes erythrocephalus) used to be easy to find out in the wild, but as humans encroached on their habitats, their populations started to become impacted. They have a habitat range from Southern Canada down to the Gulf Coast. In several states their numbers are threatened due to loss of habitat. Red-headed woodpeckers prefer to live in open woodlands with dead, or dying, trees to nest in. As humans take away the dead trees from the forests, red-headed woodpeckers are losing their nesting sites. Preservation of red-headed woodpecker habitats are needed to ensure the population starts to …


Age Status Effects On Female Silk Production And Male Courtship Response In Dolomedes Scriptus, Joseph Osborne Apr 2019

Age Status Effects On Female Silk Production And Male Courtship Response In Dolomedes Scriptus, Joseph Osborne

Student Scholar Showcase

Female Dolomedes scriptus, the striped fishing spider, serve as model organisms exhibiting pheromone production as a means of chemical signaling. Previous work has shown that male fishing spiders are responsive to female silk, and preferentially court in the presence of silk from mature virgins. In our research, we hypothesized that mature females produced larger quantities of silk than penultimate females in an attempt to elicit greater male mating response. Female spiders of both age statuses were kept for two days in a gridded tank. Sub-sampling of silk lines that crossed a random portion of the grid produced results signifying …


Effect Of Locality Recognition On Aggressive Behavior In The Red Swamp Crayfish, Procambarus Clarkii, Brett K. Muramoto, Tyler Farley Mar 2019

Effect Of Locality Recognition On Aggressive Behavior In The Red Swamp Crayfish, Procambarus Clarkii, Brett K. Muramoto, Tyler Farley

Seaver College Research And Scholarly Achievement Symposium

Climate change affects habitat globally, facilitating the expansion and rapid proliferation of invasive species which damage the newly invaded ecosystem. Intraspecific aggression among an invasive species is an important focus in ecological studies because it can contribute to their overall success as invaders. The crayfish species, Procambarus clarkii, inhabits freshwater streams in the Santa Monica Mountains (Los Angeles, CA) as an aggressive invasive predator. These invasive crayfish are well known for their highly aggressive interactions with conspecifics. It has been shown that body size, temperature, sex, and level of hunger influence their levels of aggression. However, there is a …


Effects Of Environmental Enrichment On Behavior In A Domestic Goat Herd, Stephanie Peramas May 2018

Effects Of Environmental Enrichment On Behavior In A Domestic Goat Herd, Stephanie Peramas

Senior Honors Projects

Animal welfare is one of the most important parts of animal management. Apart from other measures of good animal welfare, like being in good health, animal behavior can be indicative of the animal’s internal state and is often one of the first signs of improper welfare. Stereotypies, or stereotypic behavior, are commonly viewed as a symptom of improper animal welfare. Unenriched, or barren, environments associated with farmed livestock have long been associated with inducing stereotypic behavior. The addition of precise enrichment to the animals’ environment is a common remedy for stereotypic behavior. With respect to stereotypic goat behavior, few empirical …


Contextual Fear Learning And Memory In Alternative Stress Coping Styles, Matthew R. Baker, Ryan Y. Wong Mar 2018

Contextual Fear Learning And Memory In Alternative Stress Coping Styles, Matthew R. Baker, Ryan Y. Wong

UNO Student Research and Creative Activity Fair

Animals frequently must overcome stressors, and the ability to encode and recall these salient experiences is essential to an individual’s survival. Across many taxa, studies have documented two alternative stress coping styles (proactive and reactive) that differ in behavior, cognition, stress physiology, and underlying neuromolecular mechanisms. The role of stress in cognitive traits (e.g. learning and memory) has been well documented, however, the influence of an animal’s stress coping style on learning and memory capabilities is only beginning to be understood. Here, we developed a contextual fear learning paradigm to characterize learning and memory differences between proactive and reactive stress …


A Behavioral Prerequisite For The Genetic Analysis Of Auditory Feature Detection Mechanisms In Female Crickets, Rebecca L. Blisko May 2017

A Behavioral Prerequisite For The Genetic Analysis Of Auditory Feature Detection Mechanisms In Female Crickets, Rebecca L. Blisko

Senior Honors Projects

Sexual dimorphism is exhibited across all cricket species and is a central aspect of the mating processes of these insects. Only male crickets possess wing structures and pattern generators in the central nervous system that allow them to produce a mating call that is unique to their species in order to attract conspecific females. Conspecific females possess an auditory feature detection circuit in the central nervous system that is capable of detecting the species-specific frequency and temporal pattern of sound pulses within a male call. In order for dimorphic differences in mating behavior to result in successful continuation of a …