Psychiatry and Psychology Commons^™

The Relationship Between Auditory Habituation And Anxiety In Autism Spectrum Disorder, David Nicholas Top

Theses and Dissertations

Many individuals with autism spectrum disorder (ASD) have atypical sensory processing and behaviors including sensory sensitivity and low registration of sensory stimuli as well as sensory seeking and avoiding behaviors. Additionally, many individuals with ASD have clinically distressing levels of anxiety. Previous research suggests that there is a link between abnormal sensory processing, anxiety, and ASD. The purpose of this study was to experimentally observe auditory sensory processing using pupillometry methods, between ASD, control, and high-anxious control groups. While a difference in tonic pupil size was observed, there were no reactivity or habituation differences between the groups. There were no …

Do Adults Diagnosed With Autism Spectrum Disorders Have An Advantage In Real-World Visual Search Tasks?, Nicholas Charles Russell

Theses and Dissertations

Individuals with Autistic Spectrum Disorders (ASD) often perform better than typically developing (TD) individuals in simple, albeit difficult, visual search tasks. This ability is often attributed to a lack of drive for coherence or superior local processing. We compare thirty adults with ASD with forty-nine TD individuals and twenty-seven adults with anxiety (ANX) across two real-world visual search tasks. Individuals had to find either a number superimposed over a real-world scene ("œno context" condition) or an object located in a contextually relevant location ("œcontext" condition). Each participant completed forty-one trials in each condition, each with a unique scene. Eye movements …

Investigating Motivations For Using Dating Websites And Geosocial Apps, Sean Calvin Aaron

Theses and Dissertations

Using the internet to meet dating partners is increasingly popular and may have ramifications that are not yet fully realized. Although many dating sites have been operating for years, new online dating platforms continue to draw millions of new users. By using a large sample of people who use online dating platforms (n=1,286) we identified similarities and differences in what motivates people to use geosocial apps and dating sites. Motivations previously considered in the literature were supported and brought together in a single theory driven confirmatory factor analysis for each type of dating platform. A motivation to seek amusement was …

Predictors Of Attitudes Towards Law Enforcement Among Hispanics Living In The U.S.-Mexico Border Region, Ivan Avila

Theses and Dissertations

Previous research has shown that minorities hold negative attitudes towards members of law enforcement. Contact with law enforcement has been shown as a major predictor of attitudes towards law enforcement among minorities. Research on this subject has primarily focused on Blacks’ attitudes towards police. Hispanics have been the focus of only a small amount of research on police contact and attitudes towards law enforcement. This study examined contact and attitudes towards several law enforcement entities: local police, state troopers, and border patrol agents. The current study took place along the U.S.-Mexico border, an area with a high population of Hispanics, …

The Development Of Theory Of Mind And Inhibitory Processing Among 7-11 Year Old Mexican And Mexican American Children, Daniela Kuri

Theses and Dissertations

The present study examined the relationships among demographic factors and aspects of social and cognitive development in 130 predominantly bilingual Mexican and Mexican-American 7-to-11-year-old children residing in Mexico and the United States. Measures assessed children’s WMLS-R Picture Vocabulary, inhibitory processing, visual-spatial problem solving, and theory of mind development. Demographic information was obtained from parents. Intercorrelations among age, WMLS-R Picture Vocabulary , inhibitory processing, visual-spatial problem solving, and theory of mind (ToM) revealed that ToM related to inhibitory processing, but not with visual-spatial problem solving skills, after controlling for age. Findings suggest that cultural and other individual factors might play an …

Sleep Disturbances And Depression: The Role Of Genes And Trauma, Mackenzie J. Lind

Theses and Dissertations

Sleep disturbances and insomnia are prevalent, with around 33% of adults indicating that they experience at least one main symptom of insomnia, and bidirectional relationships exist with common psychopathology, particularly major depressive disorder (MDD). However, genetic and environmental (e.g., traumatic event exposure) contributions to the etiology of these phenotypes are not yet well understood. A genetically informative sample of approximately 12,000 Han Chinese women aged 30-60 (50% with recurrent MDD) was used to address several gaps within the sleep literature. Sleep disturbances were assessed in all individuals using a general item addressing sleeplessness (GS). A sleep within depression sum score …

Misophonia: An Investigation Of The Lesser-Known Decreased Sound Tolerance Condition, Shannon Cusack

Theses and Dissertations

Misophonia is a decreased sound tolerance condition (DST) that is not yet well-established in the literature. However, the existing research on misophonia shows that it is occurring at substantial levels in the population. The majority of the existing literature has focused on the clinical correlates of misophonia. Although the correlates have been investigated, there is no accepted mechanism behind misophonia etiology or maintenance. The present study examined three hypotheses in order to start to identify potential mechanisms behind misophonia: how emotional predilections are related to the emotional response, how obsessive-compulsive disorder (OCD) symptoms and misophonia are related, and the possibility …

Recovery From Design, Cassandra J. Ellison

Theses and Dissertations

Through research, inquiry, and an evaluation of Recovery By Design, a ‘design therapy’ program that serves people with mental illness, substance use disorders, and developmental disabilities, it is my assertion that the practice of design has therapeutic potential and can aid in the process of recovery. To the novice, the practices of conception, shaping form, and praxis have empowering benefit especially when guided by Conditional and Transformation Design methods together with an emphasis on materiality and vernacular form.

The Influence Of Genetic And Environmental Factors On Quit Attempt In Adolescent And Young Adult Twins, Gladys Langi

Theses and Dissertations

The purpose of this study was to examine the genetic and environmental influences on lifetime quit attempt in three US adolescent and young adult twin samples (N total = 6,322). The study utilized a common-contingent-causal (CCC) model to estimate these factors for lifetime quit attempts, after accounting for the factors for lifetime cigarette use and cigarettes per day. The study also examined age and sex differences, as well as the degree of relationship between these smoking phenotypes. The results demonstrated significant genetic influences for lifetime quit attempts in adolescents and young adults. No sex differences were observed for the contributions …

Developmental Trajectories Of Alcohol Use And Alcohol Use Disorder, Elizabeth C. Long

Theses and Dissertations

Alcohol use (AU) and alcohol use disorder (AUD) are leading causes of morbidity, premature death, and economic burden. They are also associated with high levels of disability and many other negative outcomes. Twin and family studies have consistently shown that AU and AUD are complex traits influenced by both genetic and environmental factors. Although much has been learned about the genetic and environmental etiology of AU and AUD, significant gaps remain. These include the need for a more comprehensive understanding of the roles of risk and protective factors, and the nature of developmental trajectories underpinning the progression from AU to …

Non-Medical Use Of Prescription Drugs, Stress, Cultural Orientation, Utilization Of Healthcare, And Protective Factors Among College Students In China, Cheuk Chi Tam

Theses and Dissertations

Background: Non-medical use of prescription drugs (NMUPD) refers to the use of prescription drugs which are traditionally utilized to manage pain or treat psychiatric problems but without a doctor’s prescription. In 2010, an investigation by the Substance Use and Mental Health Services Administration (SAMHSA) revealed that 5.3% of young adults (18 to 25-year-olds) in the United States reported past-month NMUPD. NMUPD has become a growing concern owing to associations with consequences such as college dropout, poor academic achievement, and health jeopardizing behaviors. College students' NMUPD has been well documented in the United States. Limited studies, however, have been conducted among …

Drinking Motives Underlying Internalizing And Externalizing Pathways To Alcohol Misuse In College Students, Jeanne Savage

Theses and Dissertations

Alcohol misuse, including heavy episodic use and negative consequences, is a major public health concern and a particular problem among college students. The etiology of alcohol misuse is not well resolved, with multiple and often contradictory factors implicated in its development. Genetic factors influence alcohol misuse but few specific genes have been identified. A potential reason for these challenges is that alcohol misuse is phenotypically and genetically heterogeneous; that is, there are multiple causal pathways underlying its development. Previous typologies have suggested that distinct internalizing and externalizing pathways are involved, with corresponding differences in profiles of personality, temperament, and comorbid …

The Dual Faces Of Misery, Arden Moscati

Theses and Dissertations

Major Depression (MD) and Generalized Anxiety Disorder (GAD) are psychiatric disorders that arise from dysfunction of the core human capacities for emotion. Sapience is inextricably bound up with the potential for feelings of regret, worry and concern. When these emotions lead to clinically significant impairment or distress, they may result in one or both of the disorders of MD and GAD. The occurrence of MD and GAD in the same person, known as comorbidity, is remarkably high; substantially higher than would be expected by chance.

MD and GAD have been studied since the mid-20^th century, resulting in a substantial …