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Neuroscience and Neurobiology Commons™
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Articles 1 - 7 of 7
Full-Text Articles in Neuroscience and Neurobiology
Rna Sequencing Analysis Of The Developing Chicken Retina, Christophe Langouet-Astrie*, Annamarie Meinsen*, Emily R. Grunwald*, Stephen Turner, Raymond A. Enke
Rna Sequencing Analysis Of The Developing Chicken Retina, Christophe Langouet-Astrie*, Annamarie Meinsen*, Emily R. Grunwald*, Stephen Turner, Raymond A. Enke
Ray Enke Ph.D.
Effects Of Adolescent Alcohol Binge Drinking On Prefrontal Myelin, Wanette M. Vargas-Rodriguez
Effects Of Adolescent Alcohol Binge Drinking On Prefrontal Myelin, Wanette M. Vargas-Rodriguez
Doctoral Dissertations
Alcohol binge drinking is highly prevalent in teenagers and is associated with various harmful health effects and social problems. During adolescence, brain regions such as the prefrontal cortex (PFC) are still undergoing active development, characterized by increases in white matter volume. While the morphological details and the cellular and molecular sequences governing adolescent white matter development are not fully known, it is known that this development process is sensitive and can be disrupted. Although consumption of alcohol in a binge drinking pattern has been linked to lower white matter integrity in humans, it is important to determine if alcohol is …
Brain Networks Supporting Literacy Development, Iris J. Broce
Brain Networks Supporting Literacy Development, Iris J. Broce
FIU Electronic Theses and Dissertations
The development of fluent reading requires coordinated development of key fiber pathways. While several fiber pathways have been implicated in reading, including the recently re-identified vertical occipital fasciculus (VOF), inferior longitudinal fasciculus (ILF), arcuate fasciculus and its 3 components, and inferior fronto-occipital fasciculus (IFOF), whether these fiber pathways support reading in young children with little to no exposure to print remains poorly understood. Consequently, over the course of three studies, the current dissertation aimed to narrow this research gap by addressing the following research questions: 1) Which fiber pathways support early literacy skill in young children 5-10 years old? 2) …
The Role Of Daf-19 In Non-Ciliated Neurons: How Is Neural Development Regulated By Different Daf-19 Isoforms?, Zabdiel Ek Vazquez
The Role Of Daf-19 In Non-Ciliated Neurons: How Is Neural Development Regulated By Different Daf-19 Isoforms?, Zabdiel Ek Vazquez
Lawrence University Honors Projects
A degenerative disease-like phenotype, specifically reduction in synaptic protein levels in adult worms, is correlated with loss-of-function of the only RFX transcription factor gene, daf-19, in C. elegans. This gene encodes four known transcription factor isoforms, two of which are correlated with particular functions. The DAF-19C isoform activates genes responsible for cilia development, while DAF-19M is needed for cilia specification in males. A comparison of the transcriptome of daf-19 null and isogenic wild type adult worms suggests both positive and negative regulation of gene expression is correlated with the presence of DAF-19 proteins. We have assessed DAF-19 regulation …
Acth Prevents Deficits In Fear Extinction Associated With Early Life Seizures, Andrew T. Massey, David K. Lerner, Gregory L. Holmes, Rod C. Scott, Amanda Hernan
Acth Prevents Deficits In Fear Extinction Associated With Early Life Seizures, Andrew T. Massey, David K. Lerner, Gregory L. Holmes, Rod C. Scott, Amanda Hernan
Dartmouth Scholarship
Objective: Early life seizures (ELS) are often associated with cognitive and psychiatric comorbidities that are detrimental to quality of life. In a rat model of ELS, we explored long-term cognitive outcomes in adult rats. Using ACTH, an endogeneous HPA-axis hormone given to children with severe epilepsy, we sought to prevent cognitive deficits. Through comparisons with dexamethasone, we sought to dissociate the corticosteroid effects of ACTH from other potential mechanisms of action.
Results: Although rats with a history of ELS were able to acquire a conditioned fear learning paradigm and controls, these rats had significant deficits in their ability to extinguish …
Glyphosate Induces Neurotoxicity In Zebrafish, Nicole M. Roy, Bruno Carneiro, Jeremy Ochs
Glyphosate Induces Neurotoxicity In Zebrafish, Nicole M. Roy, Bruno Carneiro, Jeremy Ochs
Biology Faculty Publications
Glyphosate based herbicides (GBH) like Roundup® are used extensively in agriculture as well as in urban and rural settings as a broad spectrum herbicide. Its mechanism of action was thought to be specific only to plants and thus considered safe and non-toxic. However, mounting evidence suggests that GBHs may not be as safe as once thought as initial studies in frogs suggest that GBHs may be teratogenic. Here we utilize the zebrafish vertebrate model system to study early effects of glyphosate exposure using technical grade glyphosate and the Roundup® Classic formulation. We find morphological abnormalities including cephalic and …
Exercise In Developing Rats Promotes Plasticity In The Prefrontal Cortex: Behavioral And Neurobiological Indications, Meghan Eddy
Exercise In Developing Rats Promotes Plasticity In The Prefrontal Cortex: Behavioral And Neurobiological Indications, Meghan Eddy
Graduate College Dissertations and Theses
Physical exercise has repeatedly been shown to trigger positive effects on brain function including improved learning, memory, and executive functions. In addition, corresponding physiological changes have been observed, such as increased neurotrophic factors, changes in neurotransmitter concentrations, and increased dendritic spines. However, these changes have not been well described outside of the hippocampus, including the medial prefrontal cortex (mPFC), and have not been directly compared at different points of development. Because the prefrontal cortex is one of the last brain areas to fully mature, considering the age at which intervention, such as exercise, takes place is particularly important. Additionally, in …