Digital Commons Network^™

Cognitive Mechanisms Of Memory Impairment Following Traumatic Brain Injury, Mark D. Whiting

Theses and Dissertations

Memory impairment is common following traumatic brain injury (TBI). In recent years, researchers have demonstrated that the processes underlying memory formation (working memory, encoding, consolidation, and retrieval) are interrelated but dissociable events.The following study was designed to determine how these processes contribute to memory impairment following experimental TBI in the rat. Experiment 1 indicated thatTBI induces severe working memory deficits in a delayed non-matching-to-place task.Although all animals displayed intact acquisition, only injured animals displayed poor performance as the delay between the sample and choice phases was increased.Experiment 2 was designed to determine if TBI produces a transient period of posttraumatic …

Beyond The Threshold: Allusions To The ÒrìsÀ In Ana Mendieta's Silueta Series, Latricia M. January

Theses and Dissertations

The Cuban-born artist Ana Mendieta (1948-1985) created the Silueta Series during the 1970s and ‘80s. It consists of earth-body works in situ featuring the silhouette of the artist's body fashioned from mud, plants, rocks, gunpowder and other materials. Underlying the creation of the Silueta Series is Mendieta's belief that the elements are sentient and powerful beings. This perception is particularly strong in the Afro-Cuban religion Santeria, a creolized form of the Òrìsà tradition of the Yoruba of West Africa introduced to the Americas during the trans-Atlantic slave trade. While scholars have noted Mendieta's incorporation of Santeria in her art, a …

Seeing It Straight, Heather Harvey

Theses and Dissertations

This Master of Fine Arts thesis is divided into four main sections:FAITH and DISBELIEF: In which I reckon with the implications of faith versus rationality as a secular nontheistic artist. IDEAS: The central locus of my work is a place of indeterminacy between what is known/familiar and what is just one step outside of that. This has nothing to do with mysticism, science fiction, or anything else unmoored from established fact. Section also touches on the particular vantage of a female artist with working class roots.THE WORK: Selection of work made during graduate school, and the the guiding thoughts behind …

How Ehs Managers Can Influence Environmental Excellence Within Their Organization, Joseph Whitaker

Theses

The objective of this work is to evaluate the various management styles and systems applicable to the Environmental, Health, and Safety ('EHS') profession; furthermore, it will present ways in which managers will discover how to understand and evaluate projects from a 'business' point of view, allowing them to compete within their organization for capital and human resources. ... This paper will also discuss various evaluations used to ensure proper buy-in from management -- a process that will facilitate the allocation of human and financial resources to environment, health, and safety projects. The evaluation will focus on two primary elements. The …

Manuscript, The Lopez Family Of Roberts City, Tampa, Florida, By George Lopez, 2007, George Lopez

Roberts City Collection - Records

Manuscript for George Lopez's "The Lopez Family of Roberts City, Tampa Florida" book.

Saudi English As A Foreign Language Learners' Attitudes Toward Computer -Assisted Language Learning, Mishal H. Al Shammari

Graduate Theses, Dissertations, and Problem Reports (ETD)

This study investigated Saudi English as a Foreign Language (EFL) Learners' attitudes toward Computer-Assisted Language Learning (CALL) at the Institute of Public Administration (IPA) in Saudi Arabia. Five research questions were developed: (1) What are the Saudi EFL learners' general attitudes toward CALL at the IPA? (2) What are Saudi EFL learners' attitudes toward the CALL software used at the IPA? (3) What are the differences between IPA Saudi EFL learners' attitudes toward CALL based on their years of English learning? (4) What are the differences between IPA Saudi EFL learners' attitudes toward CALL based on their current computer knowledge? …

Feasibility Of Using Wearable Devices For Collecting Pedestrian Travel Data, Rohit Ajmera

Graduate Theses, Dissertations, and Problem Reports (ETD)

Information on the travel characteristics of pedestrians is needed in the planning and design of pedestrian facilities. Desired information includes route selected, travel speed, trip origin and destination, and delay. Conventional methods of acquiring pedestrian travel data such as trip diaries suffer from a number of limitations.;Pedometers are simple wearable devices that are receiving considerable attention in the health promotion and physical activity fields. In recent years, there have been significant developments in global positioning system (GPS) technology. User-friendly devices are now available for under {dollar}100. At the same time, more expensive wearable GPS data loggers are available in the …

Effects Of The Common Pesticide Methoxychlor On Ovarian Steroidogenesis, Yucel Akgul

Graduate Theses, Dissertations, and Problem Reports (ETD)

Methoxychlor, an organochlorine pesticide, is released into the environment as a result of its agricultural, home and veterinary use. Following in vivo administration, it is quickly metabolized by liver to the proposed active agent, HPTE. Both methoxychlor and HPTE have been shown to exhibit weak estrogenic and antiandrogenic activities, and they are thought to exert their effects through estrogen and androgen receptors. In vivo exposure to methoxychlor in laboratory animals causes ovarian atrophy and impaired ovarian steroid production. The effect of methoxychlor and its mechanism(s) of action on ovarian steroidogenesis are not clearly defined. The central hypothesis of these studies …

Characterization Of Skeletal Muscle Performance And Morphology Following Acute And Chronic Mechanical Loading Paradigms, Brent A. Baker

Graduate Theses, Dissertations, and Problem Reports (ETD)

Unaccustomed muscular activity (incorporating lengthening-type movements) results in skeletal muscle damage, yet effects in performance and muscle morphology from movements such as stretch-shortening contractions (which are common-type movements in daily activities) are not well characterized or quantified. Thus, determining time- and dose-dependent responses resulting from acute mechanical exposure will aid critically in understanding muscle injury kinetics and the role of repair and regeneration following this type of exposure. Furthermore, skeletal muscle mass and function declines with age and these events result in a significant impact on the aging workforce. Differentiating the response following both acute and chronic adaptive exposures in …

Effect Of Diesel Exhaust Particles On Allergic Reactions And Airway Responsiveness In Ovalbumin-Sensitized Brown Norway Rats, Caroline Dong

Graduate Theses, Dissertations, and Problem Reports (ETD)

Diesel exhaust particles (DEP) are the major constituent of ambient particulate matter in urban environments and occupational settings. Exposure to DEP in combination with an allergen has been demonstrated to enhance allergen-related airway inflammation, immunoglobulin (Ig) E production, and airway responsiveness (AR) in human and in animal models. However, the mechanisms behind these effects of DEP are not yet fully understood. In this study, we compared the effects of short-term DEP exposure on ovalbumin (OVA)-mediated airway responses under two exposure protocols using an OVA-allergic rat model. Male Brown Norway rats were sensitized to aerosolized OVA (40.5 +/- 6.3 mg/m3) on …

Analysis Of Motor Activity Of Recombinant Myosin-1c, Anindita Biswas

Graduate Theses, Dissertations, and Problem Reports (ETD)

Hair cells of the inner ear are responsible for hearing and balance. These hair cells are limited in number and do not regenerate following injury. To better appreciate the function of these cells it is important to understand the molecular basis of hearing and the roles of the various molecules involved in this process. The overall goal of our laboratory is to understand the molecular basis of mechanotransduction, a process that converts the mechanical sound wave to an electrical stimulus that is transmitted to the brain. We are specifically interested in the motor protein myosin-1c (Myo1c) that has been previously …

Psychophysical Measures Of Detection & Discrimination And Effects Of Gaba Blockade In The Moth Manduca Sexta, Esther K. Mwilaria

Graduate Theses, Dissertations, and Problem Reports (ETD)

Olfactory systems must detect and discriminate odors while maintaining a degree of perceptual invariance of identity in a highly variable environment. Studies have suggested that olfactory systems of both vertebrates and invertebrates detect odors based on the interaction of specific molecular features of odorant molecules with olfactory receptor neurons. It has also been shown that changing stimulus concentration can elicit substantive changes in spatial representations of odorants. The first goal of our studies was to psychophysically characterize the ability of the moth Manduca sexta to detect and discriminate odors as a function of concentration using a Pavlovian olfactory-learning paradigm. Our …

Inosine Ameliorates The Effects Of Hemin Induced Oxidative Stress In Broilers, Christen N. Seaman

Graduate Theses, Dissertations, and Problem Reports (ETD)

Previous studies have shown that chronic treatment of broilers with hemin decreases plasma concentrations of uric acid and increases leukocyte oxidative activity (LOA) whereas the inclusion of inosine produces an inverse effect. The objective of these studies was to determine whether or not inosine could serve as a potential therapy for oxidative stress. Oxidative stress was induced in broilers by the administration of hemin. Dietary inclusion of inosine was then begun either before the onset of oxidative stress induced by hemin, or as a post treatment once oxidative stress was established. Four-week-old broilers were individually banded and divided into four …

Watercress (Nasturtium Officinale) Production Utilizing Brook Trout (Salvelinus Fontinalis) Flow-Through Aquaculture Effluent, Erika Nichole Smith

Graduate Theses, Dissertations, and Problem Reports (ETD)

Dissolved nitrogen (N) and phosphorus (P) present in flow-through aquaculture effluent can pose the risk of eutrophication to receiving streams when discharged from flow-through systems. One potential solution to prevent nutrient loading is the establishment of an integrated system that cultures green plants in the effluent. The objectives of this research were to determine watercress' (Nasturtium officinale) growth and nutrient contents in both a hydroponic controlled environment and a flow-through aquaponic production system utilizing brook trout (Salvelinus fontinalis) aquaculture effluent; and to evaluate various treatments to determine the best cultural conditions for watercress in the aquaponic system for optimization as …

Evaluation Of Heavy Duty Diesel Engines Regulated Emissions Based On Variation Of Fuel Properties By Use Of Additives, Robert Ray Tincher

Graduate Theses, Dissertations, and Problem Reports (ETD)

Heavy-duty diesel engines exhaust emissions contribute to the ambient air quality; therefore, the United States Environmental Protection Agency (EPA) and California Air Resources Board (CARB) have created stringent emissions standards. Since the implementation of these standards in the early 1970s, overall engine and fuel technology improvement have created a significant reduction in emissions. Many different factors, such as fuel composition, properties, additives, and engine technology, influence regulated emissions constituents.;This study was completed in order to evaluate engine emissions from several different diesel fuels with and without cetane improving additives on recent and early production electronically controlled heavy duty diesel engines …

Effects Of Ovulation Of Aged Follicles, Pregnancy Diagnosis By Ultrasonography, And Treatments During Lactation On Reproduction In Ewes, Aimee Kathryn Wurst

Graduate Theses, Dissertations, and Problem Reports (ETD)

Ewes are polyestrous and litter-bearing seasonal breeders. Although average ovulation rates are sufficient, many ovulations do not result in live offspring and ewes normally breed only once per year. As ovulation rate increases, so does the number of ovulations not represented by live births. When ultrasonographic analysis is limited to ovarian follicles that grow from 3 to 5 mm, follicular waves can be identified in sheep. In most cases, ovulatory follicle(s) develop from the ultimate follicular wave; however, ovulatory follicles can be derived from penultimate or earlier follicular waves. The relationship between lifespan of large follicles and fertility is controversial …

Characterization Of Myosin I In The Inner Ear, Kelli R. Phillips

Graduate Theses, Dissertations, and Problem Reports (ETD)

Specialized epithelial cells, called hair cells, detect stimuli perceived by the organs of the inner ear. Such stimuli deflect the sensing organelle of the hair cell, the hair bundle. This force is proposed to create tension in the tip link, an extracellular filamentous structure, and open mechanically-gated ion channels. This process, called mechanotransduction, allows ions to enter the hair cell and results in its depolarization. During prolonged stimuli, the sensitivity of the hair cell is maintained by adaptation. To date, little is known about the molecular mechanisms that regulate either mechanotransduction or adaptation.;Myosin-1c (Myo1c) has been proposed to be the …

Response And Time Allocation On Concurrent Variable -Interval Schedules Of Signaled And Unsignaled Reinforcement, Jeffrey Everly

Graduate Theses, Dissertations, and Problem Reports (ETD)

The present experiments were designed to evaluate accounts of how behavior is allocated on concurrent variable-interval (VI) VI schedules. The generalized matching law assumes that the proportion of behavior allocated to the two schedules will match the proportion of reinforcers obtained on the two schedules (Baum, 1974). An alternate view holds that under ideal conditions, behavior should "fix" almost exclusively at the richer schedule. The leaner schedule is only visited, or "sampled", when a reinforcer becomes available on that schedule (Houston & McNamara, 1981). Attempts were made to create optimal conditions for producing an ideal fix-and-sample response pattern. Pigeons were …

Jose De Acosta, John Donnelly

History Faculty Research and Publications

No abstract provided.

Sexual Dimorphism, Population Dynamics And Some Aspects Of Life History Of Echiniscus Mauccii (Tardigrada; Heterotardigrada), Colleen R. Mitchell, Frank A. Romano Iii

Research, Publications & Creative Work

A fifteen month study (December 2002 though February 2004) of a meiofaunal community living in moss and lichen from a Pecan tree on the campus of Jacksonville State University reports 9,791 microinvertebrates. Echiniscus mauccii was the most prevalent tardigrade species (1,329 specimens) and was chosen to determine population dynamics and some aspects of their life histories. The average length of all the specimens (adults, juveniles, males, and females) for each month was determined. A plot of all E. mauccii specimens was used to determine the following life stages of this species; juvenile, pre-reproductive, and reproductive. The studied population exhibited relatively …

Rfid Instrumentation In A Field Application, Theresa M. Swift, Martha J. Molander, Steve Eugene Watkins

Electrical and Computer Engineering Faculty Research & Creative Works

The behavior of radio-frequency identification (RFID) tags is investigated in a field application. The RFID instrumentation is used to mark the position of point strain sensors in a fiber-reinforced polymer (FRP), short-span bridge. The tags are surface mounted on carbon FRP structural elements and covered with a resin wear layer, i.e. the deck of the bridge. The smart composite bridge was installed in 2000 and serves as a field testbed for various sensor technologies including the RFID tags. The operation of the RFID network is tested in the field and compared to laboratory tags. Specific research issues include long-term survivability …

Georgia Southern Magazine, Georgia Southern University

Georgia Southern Magazine

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Georgia Southern University Fact Book, Georgia Southern University

Georgia Southern Fact Books (1976-2022)

No abstract provided.

Nosocomial Buffalopoxvirus Infection, Karachi, Pakistan, Afia Zafar, Robert Swanepoel, Roger Hewson, Mazhar Nizam, Altaf Ahmed, Akhtar Husain, Antoinette Grobbelaar, Kevin Bewley, Valerie Mioulet, Barry Dowsett, Linda Easterbrook, Rumina Hasan

Department of Pathology and Laboratory Medicine

During 5 months in 2004–2005, buffalopoxvirus infection, confirmed by virus isolation and limited nucleic acid sequencing, spread between 5 burns units in Karachi, Pakistan. The outbreak was related to movement of patients between units. Control measures reduced transmission, but sporadic cases continued due to the admission of new patients with community-acquired infections.

Margarita Night, Anna Chilton

The Mercury

No abstract provided.

The Sensational, Inspirational, Regrettable Life Of Ed, Alison F. Mccabe

The Mercury

No abstract provided.

Remarks Upon Receiving The Cardinal Wright Award, Gerry V. Bradley

Book Chapters

Gerard V. Bradley accepts the Cardinal Wright Award at the Proceedings from the 28th Annual Convention of the Fellowship of Catholic Scholars, September 23~25, 2005, Charlotte, North Carolina.

Experiences And Lessons Learned In The Design And Implementation Of An Information Assurance Curriculum, Sreekanth Malladi, Omar F. El-Gayar, Kevin Streff

Research & Publications

In 2004, Dakota State University proposed a model for information assurance and computer security program development. That model provided a framework for developing undergraduate and graduate programs at DSU. This paper provides insight into experiences and lessons learned to further implement that model. The paper details modifications to both the undergraduate and graduate information assurance programs as a result of specific issues and challenges. Further, the paper highlights the introduction of a new terminal degree that includes an information assurance specialization. As a national center of excellence in information assurance education, we are confident that this paper will be helpful …

A Cultural Analysis Of Cambodian Methodist Church Worship Services And Their Implications For Evangelism, Kevin Lowe Joo Oon

ATS Dissertations

No abstract provided.

The Perspectives Of Students And Theological Educators On Good Teaching: A Look At Theological Education In Indonesia, Daniel Ronda

ATS Dissertations

No abstract provided.