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Articles 1 - 10 of 10
Full-Text Articles in Cognitive Neuroscience
The Influence Of Limb Dominance On Neural Activation Patterns While Performing Different Motor Control Tasks, Kevin A. Hooks
The Influence Of Limb Dominance On Neural Activation Patterns While Performing Different Motor Control Tasks, Kevin A. Hooks
Graduate Studies Theses and Dissertations 2026
Humans interact with our environment in many ways. One of the most outward-facing aspects of this is limb dominance. The neural underpinnings of limb dominance remain in question today. The objective of this research was to use different methods to analyze neural activation while subjects performed upper extremity motor tasks while recording electroencephalography (EEG). The first experiment used decoding methods to examine whether neural signals collected from the contralateral limb could be used to train a classifier to test on the ipsilateral limb during a reach-to-grasp or reach-to-touch task. It was determined above chance level that within-subject action and direction …
Lifetime History Of Concussions In Relation To Blind Perceptual Distance Estimation Ability, Mackenzie K. Miller
Lifetime History Of Concussions In Relation To Blind Perceptual Distance Estimation Ability, Mackenzie K. Miller
Honors Undergraduate Theses
This study examined the relationship between visuospatial estimation and a lifetime history of concussions. Current literature on concussions investigates visuospatial working memory and estimation ability separately, but not conjointly. In order to examine this relationship, a novel neuropsychological task was designed to measure visuospatial estimation ability in working memory, named the Perceptual Estimation Test (PET). This novel task was designed with three variations that would increase in complexity as they progressed, and each variation would include three trials. Participants were scored on their accuracy performance during the PET. Participants aged 18-25 were recruited from students attending the University of Central …
External And Internal Attribution In Human-Agent Interaction: Insights From Neuroscience And Virtual Reality, Nina Lauharatanahirun, Andrea Won, Angel Hsing-Chi Hwang
External And Internal Attribution In Human-Agent Interaction: Insights From Neuroscience And Virtual Reality, Nina Lauharatanahirun, Andrea Won, Angel Hsing-Chi Hwang
Human-Machine Communication
Agents are designed in the image of humans, both internally and externally. The internal systems of agents imitate the human brain, both at the levels of hardware (i.e., neuromorphic computing) and software (i.e., neural networks). Furthermore, the external appearance and behaviors of agents are designed by people and based on human data. Sometimes, these humanlike qualities of agents are purposely selected to increase their social influence over human users, and sometimes the human factors that influence perceptions of agents are hidden. Inspired by Blascovich’s “threshold of social influence’, a model designed to explain the effects of different methods of anthropomorphizing …
Investigating The Role Of Glycemic Control In Cognitive Impairement Risk Among Elderly Individuals With Type 2 Diabetes: A Scoping Review, Julia Pessaia
Honors Undergraduate Theses
Type 2 diabetes mellitus (T2DM), presents a significant health burden globally, affecting millions of individuals, especially in the elderly population. While its association with cardiovascular diseases and cognitive impairments is well-documented, further research on the precise influence of glucose control on cognitive outcomes in elderly T2DM patients is necessary. This scoping review aims to address this gap by investigating the impact of HbA1c levels representing glycemic control on the risk of developing cognitive impairments in elderly patients with T2DM. A literature search was conducted on MEDLINE and eligible studies involved T2DM patients aged 60 or older, with documented cognitive function …
Visual Imagery Subcategories And Their Neural Associations, Miguel Ibarguren
Visual Imagery Subcategories And Their Neural Associations, Miguel Ibarguren
Undergraduate Scholarship and Creative Works
This literature review compiles research findings related to the brain areas associated with various visual imagery subcategories and explores their contributions to them. Through a search procedure, four research projects were used to identify ten distinct brain areas that demonstrated greater involvement in visual imagery. The visual imagery subcategories discussed in these research projects, and investigated in this review, include scene construction, episodic memory, imagery vividness, and visuospatial imagery. Scene construction was found to utilize the parahippocampal gyrus, hippocampus, retrosplenial cortex, and posterior parietal cortex. Episodic memory involves the same areas as scene construction, but also includes the precuneus and …
Obsessive-Compulsive Disorder And Identity: The Role Of Ego-Dystonicity, Andrea B. Mullin
Obsessive-Compulsive Disorder And Identity: The Role Of Ego-Dystonicity, Andrea B. Mullin
Honors Undergraduate Theses
Obsessive Compulsive Disorder (OCD) has been linked to a dysmorphic construction of self that is closely tied to mental illness (Bhar & Kyrios, 2007). Although associations have been found, no study has determined the impact of OCD on one's self-perception, to better understand how to resolve patients' dysmorphic construction and fear of oneself. College students (N = 410; M = 20.60, SD = 4.27) completed an anonymous online survey for course credit. The survey consisted of a demographic questionnaire, the Obsessive-Compulsive Inventory-Revised (Foa et al., 2002), theEgo-Dystonicity Questionnaire (Purdon et al., 2007), and the Self-concept Identity Measure (Kaufman et …
Flashbulb Memories Among College Students During Covid-19, Sabah Qureshi
Flashbulb Memories Among College Students During Covid-19, Sabah Qureshi
Honors Undergraduate Theses
Flashbulb memories are formed through widely shared events that have affected the culture and community. The “flash” in flashbulb memories refers to the specific details that individuals have developed in their memories. The presented research focuses on the specific event of college students at the University of Central Florida (UCF) hearing about university closure due to the COVID-19 pandemic. This research study sought to identify the variables that have affected the accuracy of flashbulb memories formation regarding the event of college students hearing about university closure because of the pandemic. The variables of the students’ relevance to the university, location, …
The Relationship Between Sleep, Working Memory, And Decision Making In Young And Old Adult Populations, Melissa G. Merz
The Relationship Between Sleep, Working Memory, And Decision Making In Young And Old Adult Populations, Melissa G. Merz
Honors Undergraduate Theses
Sleep is known to influence basic tasks concerning working memory, reaction time and executive functioning (Silva, Wang, Ronda, Wyatt, & Duffy, 2010; Nebes, Buysse, Halligan, Houck, & Monk, 2009). However, the amount that sleep influences these functions varies from study to study possibly due to differences in age and task design. Aim 1A of this study is to determine if sleep quality affects working memory. Aim 1B of this study is to determine if age affects sleep quality and working memory in comparison of young and old adult populations. Finally, Aim 2 of this study is to determine if there …
Evaluating Competition Between Verbal And Implicit Systems With Functional Near-Infrared Spectroscopy, Troy A. Schiebel
Evaluating Competition Between Verbal And Implicit Systems With Functional Near-Infrared Spectroscopy, Troy A. Schiebel
Honors Undergraduate Theses
In category learning, explicit processes function through the prefrontal cortex (PFC) and implicit processes function through the basal ganglia. Research suggested that these two systems compete with each other. The goal of this study was to shed light on this theory. 15 undergraduate subjects took part in an event-related experiment that required them to categorize computer-generated line-stimuli, which varied in length and/or angle depending on condition. Subjects participated in an explicit "rule-based" (RB) condition and an implicit "information-integration" (II) condition while connected to a functional near-infrared spectroscopy (fNIRS) apparatus, which measured the hemodynamic response (HR) in their PFC. Each condition …
Vitamin D Clinical Relevance In The Recovery From Traumatic Brain Injury Among The Military Population, Yuisa M. Colón
Vitamin D Clinical Relevance In The Recovery From Traumatic Brain Injury Among The Military Population, Yuisa M. Colón
Honors Undergraduate Theses
Background: Traumatic brain injury (TBI) still remains a difficult disorder to treat. TBI has been associated to chronic neuroinflammation and a high risk for neurodegenerative disorders. Since 2001 between ten to twenty percent of all deployed military members have suffered a combat-related TBI. Nearly twenty to thirty percent of those will experience chronic cognitive, behavioral and somatic symptoms after suffering a TBI.
Methods: The objective of this review is to evaluate current literature examining vitamin D as a neurosteroid with protective properties and its clinical relevance after traumatic brain injury. Vitamin D is known to participate in neurobiological …