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Fall 2023
Motoneuron properties and their firing patterns undergo significant changes throughout development and in response to neuromodulators like serotonin. In this thesis we examined intrinsic motoneuron properties in 50 typically developing participants ranging in age from 7 to 53 years. The primary...
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Development of the Voltage-Gated Sodium and Potassium Currents Underlying Excitability in Zebrafish Skeletal Muscle
DownloadFall 2009
Excitable cells display dynamically regulated changes in the properties of ion currents during development. These changes are crucial for the proper maturation of cellular excitability, and therefore have the potential to affect more sophisticated functions, including neural circuits, movements,...
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Development, Anatomy, and Phylogenetic Relationships of Jawless Vertebrates and Tests of Hypotheses about Early Vertebrate Evolution
DownloadSpring 2018
The origin and early evolution of vertebrates remain one of the central questions of comparative biology. This clade, which features a breathtaking diversity of complex forms, has generated profound, unresolved questions, including: How are major lineages of vertebrates related to one another?...
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DHR51 as a coordinator of heme biosynthesis and steroid hormone production to time metamorphosis in Drosophila melanogaster
DownloadFall 2019
Development from a juvenile to an adult animal is driven by pulses of steroid hormones released at precise developmental times. Inputs from the environment, timing cues, and nutritional factors are all coordinated to produce a steroid hormone pulse. Insects and in particular, the fruit fly...
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Fall 2010
Structural brain changes occur in a complex manner throughout life, and understanding healthy brain development is crucial for the study of brain abnormalities in various conditions. Diffusion tensor imaging (DTI) is an advanced magnetic resonance imaging technique that provides information about...
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Early moral conscience development: The contributions of fathers’ authoritative parenting style and father–child mutually responsive orientations including the moderating effects of child temperament
DownloadSpring 2021
The current study examined the extent that fathers’ authoritative parenting style (APS) and father–child mutually responsive orientation (MRO) explained children’s moral conscience. Two dimensions of child temperament, fearfulness and effortful control, were investigated for moderating effects of...
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Educated and Violent?: Sunni State-Formation, Education, and Sectarian Violence against Shi'a Muslims in Pakistan
DownloadFall 2022
The Pakistani state increasingly focuses on educating youth as a way to eradicate all fundamentalist violence and nurture critical thinking skills. Parroting the Western imperialist view that books can fight bombs has become a common slogan in Pakistan (Ali, 2010). While these Pakistani state...
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Spring 2013
Cleomaceae is an ideal system in which to investigate evolutionary transitions between monosymmetric flowers from polysymmetric ancestors. Previous studies have not produced a resolved phylogeny or explored the role of the candidate gene, TCP1, in the evolution of monosymmetric flowers. Here, I...
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Fall 2015
This study examined female athletes’ perceptions of how they became optimistic. In order to identify optimistic athletes, 83 members of female varsity sport teams at the University of Alberta completed a sport-specific version of the Life Orientation Test (LOT; Dunn, Causgrove Dunn, & Lizmore,...
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Fall 2017
Development of the vertebrate ocular structures requires the cooperative interactions of transcription factors, signalling proteins, external growth factors, and epigenetic regulatory factors. Consequently, misregulation of these cues can result in a number of developmental and functional...