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Articles 1 - 30 of 98
Full-Text Articles in Entire DC Network
Adapting The Auxin-Inducible Degron (Aid) System To The Zebrafish Model Organism, Dennis Li
Adapting The Auxin-Inducible Degron (Aid) System To The Zebrafish Model Organism, Dennis Li
Library/Life Sciences Undergraduate Poster Competition 2024
The Auxin Inducible Degron (AID) system is a conditional and reversible protein degradation system naturally occurring in plants. In the presence of the hormone Auxin, the AID tagged proteins are recruited into the plant’s E3 ubiquitin ligase machinery, ubiquitinated, and marked for degradation1. To adapt the AID system to the zebrafish model organism, our lab generated lines co-expressing Arabidopsis Thaliana plant TIR1 protein and GFP tagged with AID (GFP-AID) in superficially-located mechanosensory hair cells (HC) of the lateral line system and in spinal cord neurons found deeper in the body. Upon auxin application, GFP-AID expressed in the superficial HCs was …
Zmp-Induced Activation Of Ampk Enhances Accumbal Dopamine Function, Isabella Roque, Jordan Yorgason, Rachel Campbell, Serin Baker, Jared Mcfarlane, Oliver Saunders, David Thomson
Zmp-Induced Activation Of Ampk Enhances Accumbal Dopamine Function, Isabella Roque, Jordan Yorgason, Rachel Campbell, Serin Baker, Jared Mcfarlane, Oliver Saunders, David Thomson
Library/Life Sciences Undergraduate Poster Competition 2024
Oral Presentation Honorable Mention
• Dopamine terminal function is associated with motivation
• Fasting activates AMPK, a cellular sensor that measures intracellular AMP relative to ATP
• AMPK activation is a target of interest for age related cognitive decline, prevention of muscle wasting, etc.
• ZMP is an endogenous nucleotide AMP mimetic that activates AMPK
• The present study examined the novel precursor ZMP compound called P39 using an ex vivo mouse model
Adhd Medication Is More Potent And Effective During Ovulation, Laurenf@Byu.Edu Ford
Adhd Medication Is More Potent And Effective During Ovulation, Laurenf@Byu.Edu Ford
Library/Life Sciences Undergraduate Poster Competition 2024
• Women escalate psychostimulant abuse more quickly than men. Women who are prescribed psychostimulants for ADHD report fluctuations in drug efficacy that correspond to their menstrual cycle.
• In rodents, females acquire psychostimulant addiction more readily and release more dopamine (DA) in the dorsal striatum, an effect mediated by estrogen.
• However, the impact of the estrous cycle in the nucleus accumbens (NAc), a core region for learning and addiction in the ventral striatum, is underexplored.
• Here, we examine cocaine, methylphenidate (Ritalin), and methamphetamine (Desoxyn) effects on DA transmission in male and naturally-cycling female mice.
Effects Of Methamphetamine On Microglia Through Reactive Oxygen Species, Chase Seiter, Jordan Yorgason, Nathan Sheets, James Blood, Lydia Hawley, Erin Taylor, Eliza White, Hillary Wadsworth, Jason Hansen
Effects Of Methamphetamine On Microglia Through Reactive Oxygen Species, Chase Seiter, Jordan Yorgason, Nathan Sheets, James Blood, Lydia Hawley, Erin Taylor, Eliza White, Hillary Wadsworth, Jason Hansen
Library/Life Sciences Undergraduate Poster Competition 2024
▪ Dopamine release in the Nucleus Accumbens (NAc) underlies motivational behavior for methamphetamine (METH) reward.
▪ ATP is a chemoattractant to microglia and is METH on ATP release and clearance are unknown.
▪ Furthermore, METH is known to produce reactive dopamine terminal function, microglia morphology and METH interactions are unknown.
Understanding Refractory Status Epilepticus With Novel Hd-Mea Technology, Isaac Stubbs, Ryley Parrish, Melissa Blotter, Max Holmes, Skyler Russell
Understanding Refractory Status Epilepticus With Novel Hd-Mea Technology, Isaac Stubbs, Ryley Parrish, Melissa Blotter, Max Holmes, Skyler Russell
Library/Life Sciences Undergraduate Poster Competition 2024
3rd Place Oral Presentation
Status Epilepticus (SE) is a severe medical condition marked by continuous seizures lasting over 5 minutes. When SE becomes resistant to anticonvulsant drugs, the condition is known as Refractory Status Epilepticus (RSE), which lacks effective treatments and has a mortality rate of 38%. RSE lacks effective treatments partially due to our limited understanding of the mechanisms that lead to patient antiepileptic drug resistance.
Ivermectin Activates Striatal Cholinergic Interneurons To Enhance Dopamine Release, Tyler Love, Jordan Yorgason, Hillary Wadsworth, Alicia Warnecke, Joshua Barlow, Emma Steimle, Joakim Ronström, Pacen Williams, Christopher Galbraith, Jared Baldridge, Michael Jakowec, Daryl Davies
Ivermectin Activates Striatal Cholinergic Interneurons To Enhance Dopamine Release, Tyler Love, Jordan Yorgason, Hillary Wadsworth, Alicia Warnecke, Joshua Barlow, Emma Steimle, Joakim Ronström, Pacen Williams, Christopher Galbraith, Jared Baldridge, Michael Jakowec, Daryl Davies
Library/Life Sciences Undergraduate Poster Competition 2024
• The substantia nigra compacta releases dopamine into the dorsal striatum, a brain region associated with movement and motivation
• Cholinergic interneurons in the dorsal striatum can directly cause dopamine release
• IVM is a known positive allosteric modulator of P2X4 receptors as well as nicotinic
• acetylcholine receptors
• Ivermectin is known to affect many dopamine linked behaviors, but no studies have been conducted to determine if Ivermectin is able to modulate dopamine release
Effects Of Predation On Cognition In Brachyrhaphis Rhabdophora, Elizabeth F. Jenkins, Jerry B. Johnson
Effects Of Predation On Cognition In Brachyrhaphis Rhabdophora, Elizabeth F. Jenkins, Jerry B. Johnson
Library/Life Sciences Undergraduate Poster Competition 2024
RESEARCH QUESTION
Does “predation environment” affect the cognitive abilities of the tropical fish Brachyrhaphis rhabdophora?
Determining If Optic Tecti Of Larval Zebrafish Receive Input From Deep Brain Photoreceptors, Emalie A. Christensen, Allison G. Pickens, Colby Odom, Griffin Sauer, Sarah Y. Jarrett, Maurice Hunt, Annalie Martin, Arminda Suli
Determining If Optic Tecti Of Larval Zebrafish Receive Input From Deep Brain Photoreceptors, Emalie A. Christensen, Allison G. Pickens, Colby Odom, Griffin Sauer, Sarah Y. Jarrett, Maurice Hunt, Annalie Martin, Arminda Suli
Library/Life Sciences Undergraduate Poster Competition 2024
Deep brain photoreceptors (DBPs) are light-responsive sensory cells present in mammals and non-mammalian vertebrates. In non-mammalian vertebrates, studies have shown DBP involvement in various time and light dependent behaviors including circadian rhythm, phototaxis, and seasonal reproduction. In adult telosts, DBPs are present throughout the brain, including the optic tectum (OT), a midbrain structure that receives and integrates input from multiple sensory modalities. In this study, we aimed to determine if DBPs are part of or send input to the OT of larval zebrafish. Single-cell RNA sequencing of the larval zebrafish OT showed the presence of several opsins. We focused on …
The Cold Hard Truth: Cryopreserved Tissue Is Superior To Ffpe Tissue In Molecular Analysis, Delaney Anderson, Jeffrey Okojie, Mackenzie Burr, Peyton Worley, Isaac Parker, Jack Davis, Bridger Kearns, Jared Barrott
The Cold Hard Truth: Cryopreserved Tissue Is Superior To Ffpe Tissue In Molecular Analysis, Delaney Anderson, Jeffrey Okojie, Mackenzie Burr, Peyton Worley, Isaac Parker, Jack Davis, Bridger Kearns, Jared Barrott
Library/Life Sciences Undergraduate Poster Competition 2024
Personalized cancer care requires molecular characterization of neoplasms. While the research community accepts frozen tissues as the gold standard analyte for molecular assays, the source of tissue for all testing of tumor tissue in clinical cancer care comes almost universally from formalin-fixed, paraffin-embedded tissue (FFPE). Specific to genomics assays, numerous studies have shown significant discordance in genetic information obtained from FFPE samples and cryopreserved or flash frozen samples. To explain the discordance between FFPE samples and cryopreserved samples, a head-to-head comparison between FFPE and cryopreserved tissues was performed to analyze the DNA yield, DNA purity and DNA quality in terms …
Birds, Bats And Minds. Tales Of A Revolutionary Scientist: Donald R. Griffin. Volume Three, Carolyn A. Ristau
Birds, Bats And Minds. Tales Of A Revolutionary Scientist: Donald R. Griffin. Volume Three, Carolyn A. Ristau
eBooks
In this three-volume biography, we revisit the life and accomplishments of the revolutionary scientist, Donald R. Griffin. He encountered a lifetime of initial hostile resistance to his ideas and studies; now they are largely accepted. He and a colleague discovered the phenomenon of echolocation used by bats to navigate and capture insects, proposed that birds navigate guided by such cues as the sun and stars, and suggested that animals are likely aware, thinking and feeling beings. Forty interviews with his colleagues and friends help us understand the young emerging scientist and the mature researcher. We learn about his and others’ …
Birds, Bats And Minds. Tales Of A Revolutionary Scientist: Donald R. Griffin. Volume One, Carolyn A. Ristau
Birds, Bats And Minds. Tales Of A Revolutionary Scientist: Donald R. Griffin. Volume One, Carolyn A. Ristau
eBooks
In this three-volume biography, we revisit the life and accomplishments of the revolutionary scientist, Donald R. Griffin. He encountered a lifetime of initial hostile resistance to his ideas and studies; now they are largely accepted. He and a colleague discovered the phenomenon of echolocation used by bats to navigate and capture insects, proposed that birds navigate guided by such cues as the sun and stars, and suggested that animals are likely aware, thinking and feeling beings. Forty interviews with his colleagues and friends help us understand the young emerging scientist and the mature researcher. We learn about his and others’ …
Birds, Bats And Minds. Tales Of A Revolutionary Scientist: Donald R. Griffin. Volume Two, Carolyn A. Ristau
Birds, Bats And Minds. Tales Of A Revolutionary Scientist: Donald R. Griffin. Volume Two, Carolyn A. Ristau
eBooks
In this three-volume biography, we revisit the life and accomplishments of the revolutionary scientist, Donald R. Griffin. He encountered a lifetime of initial hostile resistance to his ideas and studies; now they are largely accepted. He and a colleague discovered the phenomenon of echolocation used by bats to navigate and capture insects, proposed that birds navigate guided by such cues as the sun and stars, and suggested that animals are likely aware, thinking and feeling beings. Forty interviews with his colleagues and friends help us understand the young emerging scientist and the mature researcher. We learn about his and others’ …
Utilizing Ai Integrated Neuroimaging Technology To Expand Upon Machine Learning In Positron Emission Tomography Technology With The Aim Of Detecting Amyloid Beta Biomarkers Early In The Onset Of Alzheimer's., Ethan S. Terman
Undergraduate Research Posters
Early intervention in Alzheimer's is vital for treatment. The earlier a professional can detect symptoms and make a diagnosis the earlier a prognosis can be implemented. With the prevalence of data in our day-to-day world combined with Artificial intelligence (AI), utilizing both for machine learning can pave the way for more accurate and efficient detection of Alzheimer's and other neurodegenerative diseases. AI combined with Machine learning (ML) increases diagnostic efficiency and reduces human errors, making it a valuable resource for physicians and clinicians alike. With the increasing amount of data processing and image interpretation required, the ability to use AI …
Neurodevelopmental Vulnerability To Gestational Ozone Exposure, Vishnupriya Alavala, Sarah E. Brent, Christopher G. Canal, Joseph Wang, Russell P. Hunter, Matthew J. Campen, Andrew K. Ottens
Neurodevelopmental Vulnerability To Gestational Ozone Exposure, Vishnupriya Alavala, Sarah E. Brent, Christopher G. Canal, Joseph Wang, Russell P. Hunter, Matthew J. Campen, Andrew K. Ottens
Undergraduate Research Posters
Ambient air pollution accounts for about 4.2 million premature deaths annually per the World Health Organization. Ozone (O3) is a highly reactive air pollutant found in smog and is implicated in cellular damage leading to organ dysfunction. Ambient air pollution is associated with neurodevelopmental, behavioral, and cognitive disorders though ozone’s role is unknown. Studies here look at ozone exposure shortly after implantation vs. shortly before term to evaluate differences in neurodevelopmental susceptibility over time.
To inquire on the effects of ozone on the fetal brain, pregnant Sprague-Dawley rats were exposed once to 0.3 ppm of O3 or filtered air (FA) …
Can Reconsolidation Account For The Misinformation Effect?, Olesya T. Frolova, Gabriel E. Hull
Can Reconsolidation Account For The Misinformation Effect?, Olesya T. Frolova, Gabriel E. Hull
Undergraduate Research Symposium Posters
A successful replication of Rindal & Zaragoza (2016) would indicate that reconsolidation cannot account for the misinformation effect. Current preliminary data supports the results found by the original study, suggesting that an alternative theory must be explored to explain the misinformation effect. For example, it is possible that the original memory is not altered by the misinformation but competes with the original memory leading to temporary inaccessibility at test. Results from this study could influence law enforcement interview techniques to avoid false testimonies. One limitation of the study is that performance on the test was potentially too good; this will …
The Relationship Between School Refusal Behavior And Executive Functions, Christina Saliba, Shreyas Bhat, Karina R. Carrillo-Juárez Carrik7@Unlv.Nevada.Edu, Randolph Dupont
The Relationship Between School Refusal Behavior And Executive Functions, Christina Saliba, Shreyas Bhat, Karina R. Carrillo-Juárez Carrik7@Unlv.Nevada.Edu, Randolph Dupont
Undergraduate Research Symposium Posters
School refusal is a pressing issue that impacts children throughout the United States. School Refusal behaviors can be attributed to four distinct reasons: avoiding school because it induces negative emotions (ANA), avoiding social or evaluative situations (ESE), seeking attention from others (AGB), and pursuing rewards outside of the school environment (PTR) (Kearney, 2002). Executive functions are mechanisms that monitor and regulate cognitive processes and tasks. These include problem-solving, working memory, attention, and inhibition. Executive functions can be linked with various aspects of school achievement and cognitive development in children and adolescents (Sosic-Vasic, 2017). Previous research has shown that kindergarteners who …
Investigating The Role Of Nf-Kb Inhibition On Müller Glia Proliferation Following Injury In The Zebrafish Retina, Danielle Baffa
Investigating The Role Of Nf-Kb Inhibition On Müller Glia Proliferation Following Injury In The Zebrafish Retina, Danielle Baffa
Celebration of Scholarship 2023
No abstract provided.
Examining The Efficacy Of Yoga Nidra On Sleep Quality With Persons With Parkinson’S Disease (Pwpd), Kimberly Morrow, Karen Aranha, Angela Blackwell
Examining The Efficacy Of Yoga Nidra On Sleep Quality With Persons With Parkinson’S Disease (Pwpd), Kimberly Morrow, Karen Aranha, Angela Blackwell
Fall 2023 Virtual OTD Capstone Symposium
A pilot mixed methods study utilizing quantitative and qualitative phenomenological study methods to understand the overall the benefits of using Yoga Nidra on sleep quality and sleep management, and more precisely the dosage of Yoga Nidra.
The Role Of Schwann Cells In Nerve Injury: Forskolin-Mediated Camp Activation Upregulates Tnfα Expression Despite Nf-Κb Downregulation In Lps-Treated Schwann Cells, Caitlyn E. Henry, Angela L. Asirvatham Ph.D.
The Role Of Schwann Cells In Nerve Injury: Forskolin-Mediated Camp Activation Upregulates Tnfα Expression Despite Nf-Κb Downregulation In Lps-Treated Schwann Cells, Caitlyn E. Henry, Angela L. Asirvatham Ph.D.
Student Research Poster Presentations 2023
Although Schwann cells are known to play a role in axonal regeneration following nerve injury and inflammation, the exact mechanism is unknown. This study explores two potential mechanisms: the NF-κB and cAMP pathways. The NF-κB pathway produces cytokines, such as TNFα, to regulate inflammation, whereas the cAMP pathway is anti-inflammatory and regulates Schwann cell proliferation via AKAP95 and cyclin D3. Although it is well-known that NF-κB and cAMP are involved in inflammation, not much is known regarding the effects of forskolin-mediated cAMP activation on LPS-mediated NF-κB activation in Schwann cells. In this study, RT4-D6P2T immortalized rat Schwann cells were treated …
Glyphosate And Dopaminergic Neurotoxicity: Herbicide Impacts On Parkinson's Disease Development, Lojy Hozyen
Glyphosate And Dopaminergic Neurotoxicity: Herbicide Impacts On Parkinson's Disease Development, Lojy Hozyen
Undergraduate Research Posters
Nearly one million individuals in the United States are living with Parkinson’s disease (PD). In the past two decades, the death rate from PD has risen by about 63 percent in the United States. Major findings have been made in the past five years about the potential impact of glyphosate (N-(phosphonomethyl) glycine) exposure on the onset of PD symptoms. The purpose of this meta-analysis is to provide a compiled update on the chemical and biological alterations that glyphosate imposes on the human brain. A meta-analysis was conducted to create a quantitative estimate of the connection between PD and glyphosate. Findings …
Investigating The Impact Of Dividing Attention On Auditory And Visual Object Memory, Sharica Lee, Alexa Salomon, Laura L.S. Werner, Kevin D. Mohawk, Maggie Mcmullin
Investigating The Impact Of Dividing Attention On Auditory And Visual Object Memory, Sharica Lee, Alexa Salomon, Laura L.S. Werner, Kevin D. Mohawk, Maggie Mcmullin
Undergraduate Research Symposium Posters
Recently, we found that dividing attention reduced recollection and familiarity for visual objects, but a different pattern emerged for auditory object memory: auditory object recollection was not affected by dividing attention. This could be attributable to differing levels of baseline performance with visual memory far exceeding auditory memory. Thus, we attempted to equate baseline performance in both modalities in order to adequately investigate the previous findings.
Characterization Of Usp7 Substrates In The Brain, Jose Itorralba, Sage Boss, Shahraiz Akbar, Hayley Baker, Chinglan Chang
Characterization Of Usp7 Substrates In The Brain, Jose Itorralba, Sage Boss, Shahraiz Akbar, Hayley Baker, Chinglan Chang
Undergraduate Research Symposium Posters
Loss of function lesions in Ubiquitin-specific protease (USP) 7 are associated with intellectual disability, speech delay, autism spectrum disorder, and seizures. While the deubiquitinating activity of USP7 has been characterized in cancer, its role in neurological conditions is not understood. Here, we show that USP7 can regulate the development of the brain by localizing to synaptosomes in the hippocampus and stabilizing neural-specific substrates.
Musicality, Misophonia Sensitivity, And Responsiveness To Misophonia Videos, Alexis Rice, Jennifer Hsu, Kaela Omengan, Sivan Barashy
Musicality, Misophonia Sensitivity, And Responsiveness To Misophonia Videos, Alexis Rice, Jennifer Hsu, Kaela Omengan, Sivan Barashy
Undergraduate Research Symposium Posters
Misophonia sensitivity as measured by the A-MISO-S predicts emotional responses to misophonia trigger videos, but musical sophistication (Gold MSI scores) did not. A measure of real-time responses to videos can capture a meaningful aspect of misophonic experience in the general population. Future research should investigate whether more direct measures of musicality such as perceptual tasks will show a relationship between musicality and misophonic reactions.
The Stability Of The Speech-To-Song Illusion, Jennifer Hsu, Brooke Booth, Jordyn Karns, Rodica R. Constantine
The Stability Of The Speech-To-Song Illusion, Jennifer Hsu, Brooke Booth, Jordyn Karns, Rodica R. Constantine
Undergraduate Research Symposium Posters
The Speech-to-Song (STS) illusion: when a listener is presented with multiple repetitions of a spoken phrase and begins to hear it as increasingly song-like. In the present study, we aim to verify anecdotal evidence that suggests the STS illusion is temporally stable and replicate existing evidence that excerpts transform to song by the third or fourth repetition and perhaps faster upon future encounters.
Analyzing Hippocampus Based Behavior In Model Mice, Tiria Carr
Analyzing Hippocampus Based Behavior In Model Mice, Tiria Carr
Undergraduate Research Symposium Lightning Talks
Model organism must discern between familiar and novel stimuli after delay. Hippocampal dependent processes involved in spatial pattern recognition. Latency in trial responses and reward collection is measured, as well as trial accuracy.
The Experiences Of Children With Neurological Conditions And Families, Charmaine Alexis Pasion, Jazminne Orozco Arteaga
The Experiences Of Children With Neurological Conditions And Families, Charmaine Alexis Pasion, Jazminne Orozco Arteaga
Fall 2022 Virtual OTD Capstone Symposium
Children with chronic neurological conditions and their families experience various challenges that impact their quality of life and occupational participation as they reintegrate back into their communities (Dumas & Grajo, 2021; Taib et al., 2021). However, rehabilitation for children with chronic neurological conditions focuses on addressing functional impairments and self-care activities rather than transitioning home (Diener et al., 2021). Therefore, children and their families are in need of resources and interventions to address their occupational impact as they return to their occupations (Diener et al., 2021). This capstone research study explored the lived experiences of children with chronic neurological conditions …
Adaptive Evolution Of Learning And Memory In A Model Lineage, William G. Wright
Adaptive Evolution Of Learning And Memory In A Model Lineage, William G. Wright
Biology, Chemistry, and Environmental Sciences Faculty Books and Book Chapters
Although reductionistic studies of mechanisms of learning in a broad range of model species have advanced our understanding of neural mechanisms, our integrated understanding of mechanisms, behavior, ecology, and evolution of learning remains patchy. A more wholistic research approach in a model lineage of species related to the sea hare, Aplysia californica, has revealed a complete loss of mechanisms of sensitization in one sea-hare genus, Dolabrifera, with concomitant changes in its behavior and ecology. A partial loss of sensitization via different mechanisms in a sister genus, Phyllaplysia, provides further information for our evolving understanding of the evolution of learning …
Recognition Memory For Auditory And Visual Objects, Sharica Lee, Alexa Salomon, Kevin Mohawk, Laura Werner
Recognition Memory For Auditory And Visual Objects, Sharica Lee, Alexa Salomon, Kevin Mohawk, Laura Werner
Undergraduate Research Symposium Posters
Visual object memory is superior to auditory object memory. Our past research showed that auditory memory was less sensitive to divide attention during study, which may be attributable to representational differences between auditory memory and visual memory.
In the present study, we attempted to equate auditory and visual memory representations in order to adequately investigate the impact of dividing attention on recognition memory.
Recognition memory is thought to rely on two distinct processes, recollection and familiarity. Recollection involves the retrieval of precise qualitative detail and is the most sensitive to dividing attention.
Forgetting In Item Recognition And Pattern Separation, Mateo Marquez, Rhiannon Soriano Smith
Forgetting In Item Recognition And Pattern Separation, Mateo Marquez, Rhiannon Soriano Smith
Undergraduate Research Symposium Posters
Forgetting is commonly defined as the inability to access information that was once successfully encoded and could be retrieved with a cue, but now leads to memory failure (Frankland et al. 2013).
Memory representations based in the hippocampus engage in pattern separation and are more prone to decay than interference (Sadeh & Pertrzov, 2020).
Extra-hippocampal representations are more prone to interference than decay (Hardt et al. 2013).
Pattern Separation refers to keeping memory representations distinct from one another.
Is there more decay in pattern separation and more interference in item recognition?
The Influence Of Unitization On Recognition Memory, Ting Tong, Amaya D. Bolling-Mcdevitt Hernandez, Audrey Kirsch, Alanna N. Osmanski
The Influence Of Unitization On Recognition Memory, Ting Tong, Amaya D. Bolling-Mcdevitt Hernandez, Audrey Kirsch, Alanna N. Osmanski
Undergraduate Research Symposium Posters
Previous research on recognition memory assumes that associative recognition relies on recollection, whereas item recognition relies on a combination of recollection and familiarity. Unitization refers to the encoding strategy where two separate items are perceived as a single coherent entity or object. Research has demonstrated that unitization can facilitate familiarity-based recognition by generating representations of the stimulus and integrating it into a unified whole. To investigate this issue, we examined the effect of unitization on memory for word-pairs through two types of tests:
Associative Recognition: judge whether word pairs occurred together
Item Recognition: judge whether single words are old or …