Barrett, The Honors College Thesis/Creative Project Collection

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Date Range
2013 2017

Flipped classrooms invert the traditional teaching methods and deliver the lecture online outside of the classroom. An increase in technology accessibility is increasing the prevalence of this teaching technique in universities. In this study, we aim to address some of the uncertainties of a flipped classroom by implementing a new lecture format in Transport Phenomena. Transport Phenomena is a junior level biomedical engineering course originally flipped in Spring 2013. Since transitioning to a flipped classroom, students have been required to watch 75-minute lectures outside of class where the instructor covered key concepts and examples using paper and marker on a ...

Contributors
Brenna, Samantha Paige, Ankeny, Casey, Caplan, Michael, et al.
Created Date
2016-12

A great deal of research has been done on communication barriers between patient and doctor, but due to the complexity of the relationship, little successful solutions have been suggested to bridge interdisciplinary communication between the two persons. This project explores a solution to aid both patient and doctor as they seek to communicate with each other regarding the patient’s prognosis and treatment with a medical device. By creating a website, the information found therein can be accessed in the doctor’s office by using a smartphone or tablet so that both patient and doctor can use it as a resource before, ...

Contributors
Halls, Sarah Koy, Spano, Mark, Garcia, Antonio, et al.
Created Date
2013-05

Abstract The aim of the research performed was to increase research potential in the field of cell stimulation by developing a method to adhere human neural progenitor cells (hNPC’s) to a sterilized stretchable microelectrode array (SMEA). The two primary objectives of our research were to develop methods of sterilizing the polydimethylsiloxane (PDMS) substrate being used for the SMEA, and to derive a functional procedure for adhering hNPC’s to the PDMS. The proven method of sterilization was to plasma treat the sample and then soak it in 70% ethanol for one hour. The most successful method for cell adhesion was plasma ...

Contributors
Bridgers, Carson, Peterson, Mara, Stabenfeldt, Sarah, et al.
Created Date
2016-05

Background. Proprioception plays a large role in everyday functioning, involving both information of body position and movement (Johnson & Panayotis, 2010). Clinical assessments of proprioception are largely subjective and are not reliable measures for testing proprioception in impaired or unimpaired individuals. Recent advancements in technology and robotics have brought about new assessments that involve position matching and other paradigms. However, the results are confined to the horizontal plane and only look at a very small subset of human proprioceptive ability. Objective. The present study looks to overcome these limitations and examine differences in proprioceptive sensitivity across different directions in 3D ...

Contributors
Patel, Megha, Buneo, Christopher, Helms Tillery, Stephen, et al.
Created Date
2016-12

A fetus physiologically relies on blood for nutrients given by the mother. Blood supply is provided to a fetus through an umbilical cord having the structure of two pulsatile arteries with smooth muscle surrounding a thin walled vein. The two arteries transport deoxygenated blood from the fetus in the direction of the placenta while the one vein transports oxygenated blood in the direction of the fetus. This process of the movement of blood is continuous throughout the gestation cycle. Conventionally, there are two arterial coils for every one coil of the vein. Undercoiling and overcoiling of the arteries leads to ...

Contributors
Seaney, Amanda Marie, VanAuker, Michael, Lilien, Lawrence, et al.
Created Date
2016-05

Intracranial aneurysms, which form in the blood vessels of the brain, are particularly dangerous because of the importance and fragility of the human brain. When an intracranial aneurysm gets large it poses a significant risk of bursting and causing subarachnoid hemorrhaging (SAH), a possibly fatal condition. One possible treatment involves placing a stent in the vessel to act as a flow diverter. In this study we look at the hemodynamics of two geometries of idealized basilar tip aneurysms, at 2,3, and 4 ml/s pulsatile flow, at three different points in the cardiac cycle. The smaller model had neck and dome ...

Contributors
Lindsay, James Bryan, Frakes, David, LaBelle, Jeffrey, et al.
Created Date
2013-05

Rupture of intracranial aneurysms causes a subarachnoid hemorrhage, which is often lethal health event. A minimally invasive method of solving this problem may involve a material, which can be administered as a liquid and then becomes a strong solid within minutes preventing flow of blood in the aneurysm. Here we report on the development of temperature responsive copolymers, which are deliverable through a microcatheter at body temperature and then rapidly cure to form a highly elastic hydrogel. To our knowledge, this is the first physical-and chemical-crosslinked hydrogel capable of rapid crosslinking at temperatures above the gel transition temperature. The polymer ...

Contributors
Lee, Elizabeth Jean, Vernon, Brent, Brennecka, Celeste, et al.
Created Date
2013-05

The role of retention and forgetting of context dependent sensorimotor memory of dexterous manipulation was explored. Human subjects manipulated a U-shaped object by switching the handle to be grasped (context) three times, and then came back two weeks later to lift the same object in the opposite context relative to that experience on the last block. On each context switch, an interference of the previous block of trials was found resulting in manipulation errors (object tilt). However, no significant re-learning was found two weeks later for the first block of trials (p = 0.826), indicating that the previously observed interference ...

Contributors
Gaw, Nathan Benjamin, Santello, Marco, Helms Tillery, Stephen, et al.
Created Date
2013-05

The human hand relies on information from surrounding environment to distinguish objects based on qualities like size, texture, weight, and compliance. The size of an object can be determined from tactile feedback, proprioception, and visual feedback. This experiment aims to determine the accuracy of size discrimination in physical and virtual objects using proprioceptive and tactile feedback. Using both senses will help determine how much proprioceptive and tactile feedback plays a part in discriminating small size variations and whether replacing a missing sensation will increase the subject’s accuracy. Ultimately, determining the specific contributions of tactile and proprioceptive feedback mechanisms during object ...

Contributors
Frear, Darcy Lynn, Helms Tillery, Stephen, Buneo, Christopher, et al.
Created Date
2013-05

Biofeedback music is the integration of physiological signals with audible sound for aesthetic considerations, which an individual’s mental status corresponds to musical output. This project looks into how sounds can be drawn from the meditative and attentive states of the brain using the MindWave Mobile EEG biosensor from NeuroSky. With the MindWave and an Arduino microcontroller processor, sonic output is attained by inputting the data collected by the MindWave, and in real time, outputting code that deciphers it into user constructed sound output. The input is scaled from values 0 to 100, measuring the ‘attentive’ state of the mind by ...

Contributors
Quach, Andrew Duc, Helms Tillery, Stephen, Feisst, Sabine, et al.
Created Date
2014-05

Barrett, the Honors College accepts high performing, academically engaged students and works with them in collaboration with all of the other academic units at Arizona State University. All Barrett students complete a thesis or creative project, supervised and defended in front of a faculty committee. The thesis or creative project allows students to explore an intellectual interest and produce an original piece of scholarly research. The thesis or creative project is a student’s opportunity to explore areas of academic interest with greater intensity than is possible in a single course. It is also an opportunity to engage with professors, nationally recognized in their fields and specifically interested and committed to working with honors students. This work provides tangible evidence of a student’s research, writing and creative skills to graduate schools and/or prospective employers.