Richard J. McMurtrey and Dr. Donovan Fleming and Scott Steffensen—Psychology and Neuroscience The purpose of this research was to explore the mechanisms of how the brain is able to distinguish harmony and dissonance. The understanding of how sound is converted to neural messages began with Békésy, who discovered how sound is transduced in the cochlea. […]
Non-invasive Sensor and Method for the Continuous Detection of Abnormal Intracranial Pressure and Brain Compliance
Jotham Manwaring and Coray McClellan with Dr. Erin Bigler, Psychology Children diagnosed with hydrocephalus, or patients suffering from head trauma require treatment by a neurosurgeon and a neurologist. Hydrocephalus is a condition in which the patient has retained too much cerebral spinal fluid (CSF) by either over production, or inability to shunt off old fluid. […]
The Effects of Gender on Human Event-Related Potentials
Kimberly Hales and Dr. Scott C. Steffensen, Psychology Specific components of the human averaged visual evoked potential (VEP) are task-related. As observers scan a visual scene, they use two main types of visual object search: parallel and serial (Luck and Hillyard 1994). Parallel processing is where the object seems to “pop-out” to the observer, while […]
HPO: How Would we Know?
Tyler Jonathan Faux and Dr. Bruce L. Brown, Psychology High Performance Organization (HPO) training developed in the early nineties at the Federal Executive Institute in Charlottesville, Virginia. This agency has the responsibility to train senior level executives in government agencies. Since its development, HPO seminars have been presented to many government, military, and private institutions. […]
Adaptive Effects of Ventral Tegmental Area GABA Neurons to Alcohol
Jeffrey Sparenborg and Dr. Scott Steffensen, Psychology Department I set out to discover the substrates of the brain that are involved with chronic use of alcohol. My mentor Scott Steffensen had previously found that the GABA neurons in the midbrain, more specifically, in the ventral tegmental area (VTA) of the midbrain were susceptible to ethanol […]
ORCA Progress Report
Lara Schwicht with Dr. Jeffrey Lee Background This study focuses on assessment procedures used to evaluate the treatments offered to severely and persistently mentally ill patients (SPMI). By way of definition, SPMI individuals: (1) number between one and five million (NAMHC, 1995; Arns, & Linney, 1993), (2) use a significant percentage of mental health care […]
The Neurophysiological Effects of Carbon Monoxide on the Basal Ganglia Over Time
Dalin Pulsipher and Dr. Ramona O. Hopkins, Psychology Carbon monoxide (CO) poisoning is one of the most common causes of death due to poisoning in the United States [1]. CO poisoning often results in neurological changes and motor and cognitive impairments due to anoxia and other related biomechanical mechanisms [2]. A major set of subcortical […]
“The Role of GABA Electrical Networks in Brain Stimulation Reward”
Seth Gunderson and Dr. Scott Steffensen, Psychology The basis for my project is predicated on the rewarding properties of alcohol and other substances of abuse. We set out to further our understanding the neural system that is involved in intracranial self stimulation (ICSS) and how this system is mediated by γ-aminobutyric acid (GABA) neurons. Studies […]
The Effect of Media on Anxiety, Depression and Self-Esteem in Persons with Different Body Mass Indices (BMI)
Angel Saavedra Cisneros and Dr. Matthew Spackman, Psychology Body image is only one of different aspects that make up what is known as “self-image.” That is, the way we view ourselves as a whole by ourselves and in reference to others. Having a healthy self-image is important to overall wellbeing in many individuals. Having a […]
Dopamine Pharmacology of VTA GABA Neurons
Brian C. Bingham and Dr. Scott Steffensen, Psychology Alcohol addiction has destroyed lives and communities for centuries. By understanding the mechanism of how our brain becomes addicted to alcohol we can better solve the problems this addiction creates. The current theory states that dopaminergic neurons in the ventral tegmental area (VTA) of the midbrain help […]
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