Kellan
Ta
Sponsor: Daisuke Sato, M.D.,Ph.D. MED: Pharmacology Synchronization is a universal phenomenon in natural, physical, and mechanical systems. For example, cardiac pacemaker cells are not the same at the cellular level. But when they are coupled, they generate synchronized signals in the heart. Synchronization of fireflies is another example in nature. These systems are not controlled by a command cell or command firefly, but rather synchronization occurs due to entrainment of nonlinear oscillators. In this presentation, we will demonstrate synchronization of mechanical fireflies, through a physical circuit model. The fireflies are built using Arduino, LEDs, and light sensors. The body of the firefly is designed and built using 3D CAD software and the stereolithography 3D printer. We use a mathematical model of the nonlinear oscillator, which is simulated in Arduino, using Pulse Width Modulation. Each firefly emits light from LEDs based on its own oscillation, and then receives light from the other fireflies. The signal from the other fireflies affects the timing of the oscillation, becoming a pulse coupled oscillator. Even when signals from multiple fireflies are initially randomly, as time goes, they synchronize, a phenomenon that will also be shown in our presentation. The Effect of Horror Video Game Music on Physical and Emotional Responses of a Player
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Kellan Ta
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Immersion is the ability of a video game to make a player feel like they are within the game using various techniques. More specifically, in the horror genre, the game weaponizes immersion by triggering negative emotional and physical responses using jumpscares. Both the visual and audio aspects of the game are used to trigger these negative responses, but to what extent does audio play a role? In order to test the extent of video game audio, participants will play through multiple first-person role playing computer horror games with varying audio conditions using headphones. We will analyze the data using a video streaming software that syncs the audio and video together of each playthrough. To measure physiological responses, a heart rate monitor and an EDA monitor will be used. Emotional responses will be measured through a pre and post survey with targeted questions to gauge how each participant felt during the experiment. We predict that participants will experience a decrease in negative responses when playing with the "calming lofi" condition and an increase in negative physical responses but a decrease in emotional responses when playing with the "happy upbeat music" condition. No changes should be observed with the "no audio" condition. UC Davis 34 th Annual Undergraduate Research, Scholarship and Creative Activities Conference 162 Naphthalene Toxicity in the Lungs of Geriatric Mice and Impact of Ergothioneine Pre-treatment Shanlea Tabofunda
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UC Davis / Psychology / 2023
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Kellan Ta