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Articles 31 - 35 of 35

Full-Text Articles in Medicine and Health Sciences

Electrical Brain Stimulation And Depressive-Like Behavior In Guinea Pigs, Nadia Kardegar Jan 2012

Electrical Brain Stimulation And Depressive-Like Behavior In Guinea Pigs, Nadia Kardegar

Browse all Theses and Dissertations

Maternal separation in guinea pigs produces a biphasic response consisting of an active behavior phase (vocalizations and locomotor activity) followed by a phase of passive depressive-like behavior (crouched stance, piloerection, and eye closure). The mechanism for the transition from the active to the passive phase is unknown. One suggestion is that continual activity of neural circuitry producing active behavior eventually leads to the expression of passive behaviors. The purpose of this study was to test this possibility. Guinea pigs were assigned to experimental and control groups. The experimental group received daily stimulation of the bed nucleus stria terminalis (BNST) to …


Development Of An Ankle Function Model, Kelli R. Snyder Jan 2012

Development Of An Ankle Function Model, Kelli R. Snyder

Dissertations and Theses @ UNI

Lateral ankle sprains (LAS) represent the most common orthopedic injury treated by athletic trainers, yet there is no consensus regarding the measurement of the effectiveness of care (e.g. outcomes). Further compounding this problem is the repetitive nature of LAS, often referred to as "functional" or "chronic" ankle instability (FAI, CAI, respectively). Although a common entity in practice and research, FAI is inconsistently defined and assessed. Essentially, athletic trainers are neglecting to address one of the most important issues identified in their profession (outcomes) for the most common injury for which they provide care (LAS). Therefore, the purpose of this research …


The Effects Of 17Α-Ethynylestradiol (Ee2) On Gonadal Development And Differentiation In The Estuarine Killifish, Fundulus Heteroclitus, Ibrahim Chehade Jan 2012

The Effects Of 17Α-Ethynylestradiol (Ee2) On Gonadal Development And Differentiation In The Estuarine Killifish, Fundulus Heteroclitus, Ibrahim Chehade

Theses and Dissertations (Comprehensive)

Endocrine disrupting substances (EDSs) comprise a wide variety of chemicals that perturb normal endocrine function including developmental and reproductive processes in vertebrates. The synthetic estrogen 17α-ethynylestradiol (EE2) is a commonly-used model EDS because of its environmental relevance and its effects on the reproductive endocrine system. Early life-stage exposure of fish to estrogenic EDSs causes effects such as intersex (ovotestes in males) and feminization. This study aims to confirm the period of gonadal differentiation in the estuarine killifish or mummichog (Fundulus heteroclitus) and to determine the sensitivity of gonadal development to EE2. Artificially-regressed mummichog were spawned, and …


Blast-Induced Brain Injury: Influence Of Shockwave Components, Dexter V. Reneer Jan 2012

Blast-Induced Brain Injury: Influence Of Shockwave Components, Dexter V. Reneer

Theses and Dissertations--Neuroscience

Blast-induced traumatic brain injury (bTBI) has been described as the defining injury of Operations Enduring Freedom and Iraqi Freedom (OEF/OIF). Previously, most blast injury research has focused on the effects of blast on internal, gas filled organs due to their increased susceptibility. However, due to a change in enemy tactics combined with better armor and front-line medical care, bTBI has become one of the most common injuries due to blast. Though there has been a significant amount of research characterizing the brain injury produced by blast, a sound understanding of the contribution of each component of the shockwave to the …


Effect Of Honey On Anaerobic Performance In Male Collegiate Soccer Players, Katelyn G. Woolfolk Jan 2012

Effect Of Honey On Anaerobic Performance In Male Collegiate Soccer Players, Katelyn G. Woolfolk

Electronic Theses and Dissertations

Author's abstract: Carbohydrate supplementation has been associated with increased performance in aerobic and anaerobic activity. Honey, specifically, has shown to increase performance in aerobic exercise as well as provide other health benefits. The purpose of this study was to see if honey, a natural substance, has a positive effect on anaerobic performance, rates of perceived exertion, and gastrointestinal distress. Subjects consisted of 18 healthy, Division 1 collegiate male soccer players (19.39 ± 0.85 yr, 75.39 ± 7.97 kg). All had no allergies and were cleared for participation by a certified athletic trainer. Subjects were randomly assigned to one of three …