Science and Technology Studies Commons^™

Automatic Exposure Control During Computed Tomography Scans Of The Head: Effects On Dose And Image Quality, Stephen D. Osborne

Electronic Theses and Dissertations

Automatic exposure control (AEC) is effective at reducing potentially harmful radiation doses without sacrificing image quality for many types of computed tomography (CT) scans. However, there is a need for more information regarding the use of AEC for CT head scans. This study was conducted at Johnson County Community Hospital in Mountain City, TN. Preexisting adult CT head scans (n)60 were randomly selected to form 2 stratified samples, (n)30 each. One sample used a standard protocol, and the other used a protocol with a mA-modulated AEC system, Siemens CARE Dose 4D. Causal-comparative analyses were conducted, and …

Determinants Of Behavioral Intent To Adopt The Closed-Loop Artificial Pancreas Among Diabetes Healthcare Providers, Carolyn M. Serrano

Seton Hall University Dissertations and Theses (ETDs)

Background and Purpose of the Study: Diabetes mellitus for both children and adults are broadly defined as a group of complex diseases characterized by high blood glucose, resulting from a defect in either the production of or action of insulin, or both (National Institutes of Health, 2014). There are 29.1 million people in the US that are estimated to have diagnosed or undiagnosed diabetes (Centers for Disease Control and Prevention (CDC), 2014). Type 1 diabetes accounts for approximately 5-10% of all diabetes cases however, it has serious short term and long-term implications (Daneman, 2006).

Technology for diabetes management is rapidly …

Let’S Play: Understanding The Role And Significance Of Digital Gaming In Old Age, Julie A. Skalsky Brown

Theses and Dissertations--Gerontology

Despite a marked increase in the use of digital games among older persons, there is insufficient research that provides insight into the gaming experiences of this population. A major demographic shift within the senior gaming market has ushered in a new perspective on the use of digital games as a tool for physical and cognitive health, and improved socialization. It is proposed that individual notions of play, which are developed over the life course, influence digital game play engagement and interaction preferences, and contribute to well-being. This study explored how self-perceptions of play over the course of the senior gamer’s …