Killpack, Curtis Polymorphisms of the 5-HTTLPR Gene: Associations to ERN and Depression Mentor: Michael J. Larson, Psychology and Neuroscience Introduction Our aim with this study of polymorphisms in the serotonin transporter gene (5-HTTLPR) was to investigate the association between performance monitoring capabilities (i.e., detecting errors in performance using the error-related negativity [ERN] component of the […]
Fast food, slow brain: The effect of diet on brain volume
Alder, Kayla Fast food, slow brain: The effect of diet on brain volume Faculty Mentor: Dr. Brock Kirwan, Psychology Introduction The hippocampus is a brain structure in the medial temporal lobe that mediates the encoding of sensory information into long-term memory (Squire, Clark, & Stark, 2004). Studies have found a relationship between the volume of […]
Relationship Quality as a Predictor of Eating Disorder Symptoms and Body Image Perception in Women
Sgro, Jordan Relationship Quality as a Predictor of Eating Disorder Symptoms and Body Image Perception in Women Faculty Mentor: Dr. Wendy Birmingham, Psychology Introduction Eating Disorders (ED) are recognized as an important cause of morbidity and mortality in adolescents and adults and are much more common in women than in men. Women may exhibit ED […]
Communication Patterns, Spousal Influence, Relationship Quality, and Genetic Testing in Regards to Colorectal Cancer Prevention
Kaitlynn Wright and Wendy C. Birmingham, Department of Psychology Introduction Colorectal cancer (CRC) is one of the most common cancer types in the United States. Having CRC in one’s family history is one of the strongest risk factors for this cancer, suggesting a genetic influence in developing CRC. While this cancer can be deadly, many […]
Landmark vs. Manual Tracing: A Novel Method For Hippocampal Segmentation
Bryce Owen and Faculty Mentor: Brock Kirwan, Psychology Introduction Calculating hippocampal volume from MR images is an essential task in many studies of neurocognition in healthy and diseased populations. The “gold standard” method involves hand tracing, which is accurate but laborious, requiring expertly trained researchers and significant amounts of time. As such, segmenting large datasets […]
Alcohol and Nicotine co-Dependence
Taylor Woodward and Scott Steffensen, Psychology Introduction Addiction is a diabolical neurochemical trap that robs people of their agency and catastrophically affects virtually every aspect of an addict’s life. Alcohol is one of the most statistically widespread and harmful addictive substances in our society (Nutt, King et al. 2010). Through physiological means, it destroys an […]
The Efficacy of Neurofeedback Training in Enhancing High-Order Processing in Addicts
Ian Armstrong and Scott C. Steffensen, Psychology Introduction Biofeedback is a process by which a person learns to control physiological functions of their body that they would otherwise not be conscously aware of. This is accomplished by relaying real-time information back to the user in the form of data or a game. The user then […]
Measuring Metamphetamine’s Effects on Dopamine Production During Exposure to Glutathione
Eli Schriever and Scott Steffensen, Psychology Introduction One of the primary focuses of much addiction research involves finding methods to alleviate methamphetamine (METH) addiction. METH is one of the most widely used illicit drugs in the United States. Estimates by the National Institute on Drug Abuse Statistics are that 5.5% of all adults ages 26 […]
Identification of Location and Timing of ROS Production In Response To Meth Exposure
Andrew Lamprecht and Scott Steffensen, Psychology Introduction Methamphetamine is an extremely addictive drug that acts on the pleasure center of the brain. It causes an increase in the release of dopamine (DA) into the synaptic cleft. This rapid release of DA causes the “rush” felt by drug users. It also causes severe malfunctions in the […]
Gene x Environment Interactions in Rhesus Macaques: A test of the Orchid-‐Dandelion Hypothesis
S. Andrew Aston and J. Dee Higley, Department of Psychology Aston, S. Andrew Gene x Environment Interactions in Rhesus Macaques: A test of the Orchid-‐Dandelion Hypothesis Faculty Mentor: J. Dee Higley, Department of Psychology Numerous studies have shown that certain gene variants produce distinct phenotypes based on the environment in which an individual develops. Many […]
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