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Full-Text Articles in Entire DC Network
Cultural Evolution In Natural Populations: A Quantitative Bioacoustic Analysis, Chenghui Ju
Cultural Evolution In Natural Populations: A Quantitative Bioacoustic Analysis, Chenghui Ju
Dissertations, Theses, and Capstone Projects
Bird song is a powerful model system in behavioral biology, especially for learning and cultural evolution. Understanding the origins and maintenance of vocal diversity in nature is fundamentally important to acoustic biology. Here, we propose a large-scale, integrative population analysis of nearly 2000 songs of the house finch (Haemorhous mexicanus) (190 individuals) collected in western Long Island of New York during an interval of 37 years (between 1975 and 2012) to explore cultural change of bird songs. Generally, I have three aims in this study. In the chapter 1, to facilitate acoustic analysis for field recordings with ambient noise, of …
The Role Of The Vta Nmda Receptors, Vta Da Cells And Vta Terminal Regions In Reward-Related Learning, Karen Kest
The Role Of The Vta Nmda Receptors, Vta Da Cells And Vta Terminal Regions In Reward-Related Learning, Karen Kest
Dissertations, Theses, and Capstone Projects
Reward-related learning occurs when an initially neutral stimulus acquires the capacity to elicit responses similar to an unconditioned stimulus (US) with which it is associated, in which case the stimulus now functions as a conditioned stimulus (CS). The mechanisms whereby stimuli come to function as CSs are not fully understood and comprise the theme of this dissertation. We have previously proposed that coincident signals from an unconditioned and the eventual conditioned stimulus (US and CS) signals on dopamine (DA) cells of the ventral tegmental area (VTA) leads to strengthening of CS synapses, allowing the CS to acquire the ability to …
The Influence Of A Child's Learning Disability On A Parent's Psychological Experience: A Comparison Of Parents With And Without Learning Disabilities, Alice Varley Mangan
The Influence Of A Child's Learning Disability On A Parent's Psychological Experience: A Comparison Of Parents With And Without Learning Disabilities, Alice Varley Mangan
Dissertations, Theses, and Capstone Projects
This dissertation examined the psychological experience of parents whose children have been diagnosed with moderate to severe learning disabilities (LD) and compared the impact of a child's learning disability across two groups of parents: one with LD and one without LD. In-depth semi-structured interviews were administered to eleven parents of children with LD, four of whom had LD themselves, and seven of whom did not have LD. Three levels of qualitative data analysis were employed to code the interviews resulting in four theoretical constructs: (1) Diagnosis as a Threat to Parental Narcissism; (2) Parents Engage Containing and Stabilizing Strategies; (3) …
Rethinking Internal Working Models From A Developmental Perspective: Clarifying The Concept And Making A Case For A Sensitive Period Of Attachment, Leah Bothe Manning
Rethinking Internal Working Models From A Developmental Perspective: Clarifying The Concept And Making A Case For A Sensitive Period Of Attachment, Leah Bothe Manning
Dissertations, Theses, and Capstone Projects
Chapter 1 attempts to clarify the internal working model (IWM) by offering a revised and more precise definition of the concept. Chapter 2 discusses the existing IWM research and asserts what aims should be applied to future research to further clarify the IWM concept. Chapters 3 and 4 describe the current three studies that sought to test the validity of the proposed IWM definition by determining if: (1) attachment status during the first three years fluctuates as a function of changes in maternal sensitivity, (2) IWM status in middle childhood and adolescence remains stable independent of changes in maternal sensitivity, …
Renaissance Humanism And The Ottoman 'Other' - Discourse Construction, Position And Power, Aramis Miranda-Reyes
Renaissance Humanism And The Ottoman 'Other' - Discourse Construction, Position And Power, Aramis Miranda-Reyes
Dissertations, Theses, and Capstone Projects
The Ottoman conquest of Constantinople in 1453 had an overwhelming geopolitical impact on Western Europe which included a discursive shift that depended greatly on the ideological construction of this event by its contemporaries for its consequences. In other words, the nature of Western European discourse subsequent to the Fall of Constantinople was rooted in the psychological impact this loss of territory had in contemporary secular and church leaders as well as their functionaries, many of which were key humanist figures. Consequently, Renaissance writers who constructed the Ottomans as 'others', were also writing within a context of power relations. In this …
Maternal Dissociation, Emotional Acceptance And Child Emotion Regulation: A Study Of Residents In A Family Homeless Shelter For Victims Of Domestic Violence, Brian S. Mueller
Maternal Dissociation, Emotional Acceptance And Child Emotion Regulation: A Study Of Residents In A Family Homeless Shelter For Victims Of Domestic Violence, Brian S. Mueller
Dissertations, Theses, and Capstone Projects
The present study examined the relationships between maternal dissociation, mothers' self-described parenting behaviors in child emotion regulation, and the emotion regulatory capacity of their children. These relationships were investigated in a sample of predominately low-income African-American and Latino mothers and children residing in a domestic violence shelter. In this study, I investigated a mediational model relating maternal dissociation, mother's acceptance of child emotions, and child difficulties in emotion regulation and behavior. I predicted that mothers who reported more dissociative experiences would demonstrate less awareness and acceptance of emotions when they responded to children's sadness, fear, happiness, and anger. I also …
The 'In-Group Advantage' For Perceiving Emotion Across Demographic Groups And Communication Channels, Thomas Myers
The 'In-Group Advantage' For Perceiving Emotion Across Demographic Groups And Communication Channels, Thomas Myers
Dissertations, Theses, and Capstone Projects
The ability to perceive emotions in others is critical to successful social interaction. While much research has been conducted on some of the factors affecting emotion perception, other areas have received relatively little attention and, thus, are not well understood. There is growing evidence to suggest that various demographic factors, as well as their interactions, impact the accuracy of emotion perception. The impact of these factors seems to vary as a function of the particular channel (e.g., facial, prosodic, and lexical) through which emotions are perceived and may even be influenced by the presence of an 'in-group advantage' (IGA; Elfenbein …
Music In Poetry And Poetry In Music: Tumanian's Anush, Beata Asmik Navratil
Music In Poetry And Poetry In Music: Tumanian's Anush, Beata Asmik Navratil
Dissertations, Theses, and Capstone Projects
The poem Anush by the Armenian poet Hovhannes Tumanian (1869-1923) is rooted in traditional Armenian music. Tumanian's poem reflects a number of manifestations thereof: (1) It borrows in its style from Armenian lyrical songs (such as lalik and khagh), from the parerg style (the traditional dance-song), and from the voghb style (laments such as funeral laments, bayati, and tragic odes). (2) Ashug style of storytelling/singing as a main form of conveying the storyline and emotions of protagonists are present. (3) Dancing and music making during Armenian traditional rituals -- in particular, the Hambarsum celebration (Feast of Christ's Ascension), …
Investigating The Effects Of Intervention Intensity On Skill Acquisition And Task Persistence In Children With Down Syndrome, Nicole Marie Neil
Investigating The Effects Of Intervention Intensity On Skill Acquisition And Task Persistence In Children With Down Syndrome, Nicole Marie Neil
Dissertations, Theses, and Capstone Projects
Maximizing outcomes for learners with Down syndrome requires an approach which is both effective and efficient. Modifying the intensity of intervention has the potential to affect the rate of skill acquisition as well as other learner behavior, such as task persistence, which alters the efficiency of intervention. The purpose of this study was to determine the effect of varying intensity levels of a behavior-analytic on acquisition and task persistence for young children with Down syndrome. Three children with Down syndrome were taught expressive language targets using three manipulations of intervention intensity (dose): the number of opportunities, the spacing of opportunities, …
'Hope For Every Addicted American' An Opioid Epidemic In The Age Of Ethopolitics: Implications For U.S. Drug Policy And Governing Problematic Subjects, Elizabeth Newcomer
'Hope For Every Addicted American' An Opioid Epidemic In The Age Of Ethopolitics: Implications For U.S. Drug Policy And Governing Problematic Subjects, Elizabeth Newcomer
Dissertations, Theses, and Capstone Projects
The United States is in the midst of an unprecedented drug epidemic instigated by overprescribed pain relievers and cheap, accessible heroin. Beyond its immense scope, what makes this opioid epidemic distinctive is a widespread awareness of its effects among privileged populations and a political consensus that it cannot be effectively addressed with existing, punitive drug policies. Building upon analyses of the drug addict identity and policy change as well as critical addiction studies, I critically examine the discourses of the opioid epidemic, considering their impact on U.S. drug policy since 2000 and analyzing the implications of these changes for governing …
Roles Of Shifting Attention, Alternating Attention And Inhibition On Temporary Syntactic Ambiguity Resolution And Use Of Context In Younger And Older Adults, Youngmi Park
Dissertations, Theses, and Capstone Projects
Twenty-four younger adults (20-35 years, mean: 25.88) and thirty-four older adults (65-79 years, mean: 71.82) read sentences via a word-by-word self-paced reading paradigm. Study 1 examined how older and young adults resolve sentences containing Noun Phrase (NP) and Verb Phrase (VP)-attached Prepositional Phrases (PPs) yielding temporary syntactic ambiguity, and which cognitive factors (working memory capacity, inhibition, shifting attention, alternating attention, and cognitive processing speed) contribute to temporary syntactic ambiguity resolution.
Study 2 was designed to investigate how both age groups utilize contextual information while resolving PP-attachment, and which cognitive functions play a role in the use of referential context during …
The Role Of Posterior Parietal Cortex In Episodic Memory Retrieval: Transcranial Direct Current Stimulation Studies (Tdcs), Denise Pergolizzi
The Role Of Posterior Parietal Cortex In Episodic Memory Retrieval: Transcranial Direct Current Stimulation Studies (Tdcs), Denise Pergolizzi
Dissertations, Theses, and Capstone Projects
Neuroimaging studies of recognition memory have shown that greater activity in the lateral posterior parietal cortex (PPC) correlates with successful recognition in a variety of paradigms, but experimental techniques that manipulate brain activity are necessary to determine the specific contribution of the PPC in episodic memory retrieval. Transcranial Direct Current Stimulation (tDCS) is a non-invasive technique that can be used to manipulate cortical excitability. The collection of experiments that comprise this dissertation use tDCS to determine: 1) whether or not the lateral PPC is causally involved in episodic retrieval, and 2) whether the lateral PPC has a direct role in …
The Print Portfolio And The Bourgeoisie In Fin-De-Siècle Paris, Britany Lane Salsbury
The Print Portfolio And The Bourgeoisie In Fin-De-Siècle Paris, Britany Lane Salsbury
Dissertations, Theses, and Capstone Projects
In fin-de-siècle Paris, the print portfolio experienced a popularity that was unprecedented over the course of its long history. Adapted sporadically by graphic artists from the Renaissance onward, prints were produced as series in greater numbers and by a wider range of artists than ever before between 1880 and 1900, and symbolized new, bold, and varied aspirations for the graphic arts as an original and experimental medium. In addition to its stylistic value, artists valued the print portfolio for the subject matter it could cultivate. A growing number of works produced at this time highlighted social issues and expressed political …
'May God Cure You': Contemporary Egyptian Therapeutic Landscapes Between Qur'anic Healing And Psychiatry, Ana Maria Vinea
'May God Cure You': Contemporary Egyptian Therapeutic Landscapes Between Qur'anic Healing And Psychiatry, Ana Maria Vinea
Dissertations, Theses, and Capstone Projects
Based on 19 months of fieldwork research in Cairo, this dissertation investigates the constitution and the practice of a therapeutic technique known as Qur'anic healing (al-'ilāj bi-l-qur'ān). In contemporary Egypt, as throughout the Middle East, the past decades have witnessed the increased visibility and popularity of this revivalist, Salafi-based therapy of jinn exorcism and counter-sorcery that is rooted in centuries-old Islamic practices of healing, all the while developing them into new configurations. During the same period, heated public debates stirred by the emergence of Qur'anic healing have occurred, debates in which psychiatrists have played a prominent role.
By …
Death And Photography In East Asia: Funerary Use Of Portrait Photography, Jeehey Kim
Death And Photography In East Asia: Funerary Use Of Portrait Photography, Jeehey Kim
Dissertations, Theses, and Capstone Projects
This dissertation expands and elaborates upon my 2009 project, 'Korean Funerary Photo-Portraiture,' which examined the uses of portrait photography in funerals and ancestor worship in Korea. By extending the geographic scope of the earlier project to encompass East Asia, its aim is to investigate how funerary photo-portraiture is intertwined with geopolitical issues across the region.
In order to explore the historical and socio-political layers of vernacular photography in East Asia, this dissertation compares the practice of funerary photo-portraiture in five countries by examining the basic concepts underpinning it. China, Korea, Japan, Taiwan, and Vietnam all incorporate portrait photography into funerals …
The Odyssey Of North Korean Defectors: Issues And Problems In The Migration Process, You Gene Kim
The Odyssey Of North Korean Defectors: Issues And Problems In The Migration Process, You Gene Kim
Dissertations, Theses, and Capstone Projects
Since the Great Famine in the 1990s, many North Koreans have emigrated in search of better lives in South Korea or other countries. However, they face hardship and peril in every phase of this odyssey. In China, North Korean defectors suffer from the constant threat of being arrested and deported by the Chinese authorities. Furthermore, the Chinese government has refused to grant refugee status to North Korean defectors because of its desire to maintain positive diplomatic relations with North Korea. Consequently, most of the defectors aim to go to South Korea, though some young and educated North Koreans prefer the …
Mothers' Mental Health Evaluations In Foster Care Practice: A Social Constructionist, Qualitative Data-Mining Study, Michelle Salvaggio
Mothers' Mental Health Evaluations In Foster Care Practice: A Social Constructionist, Qualitative Data-Mining Study, Michelle Salvaggio
Dissertations, Theses, and Capstone Projects
This qualitative research study utilizes social constructionist theory and the client career perspective as a framework for developing a grounded theory that explains how mothers' mental health evaluations function in the context of foster care practice. Using clinical data-mining methodology, the foster care records of sixteen mothers were purposively selected. Selection criteria included having completed psychiatric and psychological evaluations and having one child or more in foster care. The sample was divided into subgroups of substance users (n = 9) and those who did not use substances (n = 7), mothers who acknowledged their mental illness (n …
Successful Implementation Of Solution-Based Casework; A Child Welfare Casework Practice Model?, Naomi Weisel Schear
Successful Implementation Of Solution-Based Casework; A Child Welfare Casework Practice Model?, Naomi Weisel Schear
Dissertations, Theses, and Capstone Projects
Across the country, child welfare agencies have started to implement casework practice models in an effort to improve the safety, permanency and well-being of vulnerable children and families. In their effort to do so, child welfare systems have faced complex contextual challenges to implementation. To date, however, there has been limited empirical research describing successful implementation of these practices. Moreover, little systematic feedback exists concerning service providers' perspectives of various aspects of the implementation process.
The purpose of this qualitative research study was to explore child welfare supervisors' and case workers' responses to various methods of implementation of Solution-Based Casework …
Using A Multisystemic Approach To Examine Youth Risky Sexual Attitudes And Behavior, Chamane Melissa Simpson
Using A Multisystemic Approach To Examine Youth Risky Sexual Attitudes And Behavior, Chamane Melissa Simpson
Dissertations, Theses, and Capstone Projects
The current investigation examined the relationship between the risky sexual attitudes/behavior of 18 to 24 year old college students (N = 250) and variables from the self-, family, and peer systems. The variables that were used to predict participants' risky sexual attitudes and behavior included gender, three self-esteem constructs (i.e., global self-esteem level and parental/peer approval contingent self-esteem), and participants' perceptions of their parent/caregiver and peer's attitudes toward risky sex. Lastly, social desirability was used as a control variable.
Taken together, the goals of the study were to: (a) determine whether global self-esteem level or parental/peer approval contingent self-esteem would …
Content Analysis Of Applied Learning From High Fidelity Patient Simulation Orientation To Critical Care, Patricia M. Span
Content Analysis Of Applied Learning From High Fidelity Patient Simulation Orientation To Critical Care, Patricia M. Span
Dissertations, Theses, and Capstone Projects
The Institute of Medicine (IOM) reported that over 98,000 deaths occur in hospitals from medical errors in the United States. In a follow-up IOM report, it was noted that nurses have a direct impact on patient morbidity and mortality and are often the last line of defense for patient safety. The challenge for nurse educators in hospitals is to ensure that as newly licensed nurses enter the workforce, orientation outcomes reflect acquisition of knowledge and skills, which are applied in practice. When newly licensed registered nurses are hired into critical care units, this puts them in a position where they …
The Intrinsic And Synaptic Properties Of Inverted Pyramidal Cells Within The Neocortex, Robert Michael Steger
The Intrinsic And Synaptic Properties Of Inverted Pyramidal Cells Within The Neocortex, Robert Michael Steger
Dissertations, Theses, and Capstone Projects
Within the nervous system, the cortex is the area of the brain where higher order sensory, motor and cognitive processing occurs. The cortex contains a diverse array of cell types which form complicated and intricate circuits which gives rise to higher order sensory, motor and cognitive functions. The majority of neurons found in the cortex are pyramidal cells. While pyramidal cells differ based on soma size, dendrite span and cortical position, almost all share a noticeable defining characteristic: their apical dendrite extends toward the pial surface. However, there also exists a class of pyramidal cell where the apical dendrite extends …
Representation Without Thought: Confusion, Reference, And Communication, Elmar Geir Unnsteinsson
Representation Without Thought: Confusion, Reference, And Communication, Elmar Geir Unnsteinsson
Dissertations, Theses, and Capstone Projects
Philosophy of mind has been dominated, since Frege, by a puzzle-driven methodology. This tradition aims to provide a coherent system for describing specific semantic features of all conceivable cases where the speaker is confused about the identity of an object. The first chapter develops a theory on which confused identity is a mental state of an agent who either believes falsely that a = b or believes falsely that a ≠ b. Many influential arguments in philosophy are puzzle-driven; Kripke on semantic and speaker reference, Reimer and Kaplan on demonstratives. I show in detail how these and other arguments …
Touching Time: Forms Of Romantic Temporality, Leila Walker
Touching Time: Forms Of Romantic Temporality, Leila Walker
Dissertations, Theses, and Capstone Projects
The sense of touch has largely been neglected in the study of Romantic literature. While recent histories of the senses hold that sight and touch became disarticulated toward the end of the eighteenth century and the beginning of the nineteenth, these studies tend to emphasize the elevation of sight as a more advanced mode of perception, suitable for observing experiments or appreciating art, over the more base sense of touch. Questions of tactility tend to be absorbed into histories of materiality or the body, and this terminological slippage becomes particularly apparent as these histories enter the Romantic period. However, when …
Testing Visual Ecology Hypotheses In Avian Brood Parasite-Host Systems: The Role Of Uv-Light Perception And Egg-Nest Contrast In Foreign Egg Rejection, Zachary Aidala
Dissertations, Theses, and Capstone Projects
Color signals are highly important features of animal communication systems, particularly among birds, which possess exquisitely complex visual perception systems. Birds possess tetrachromatic vision, and some species are sensitive to ultraviolet (UV) wavelengths. Because human and avian visual systems dramatically differ (i.e. humans are not sensitive to UV wavelengths), biologically relevant sensory models are necessary to accurately assess the function of avian color signals. In this dissertation, I primarily use brood parasite-host interactions as a model for studying the behavioral function of avian-perceivable visual stimuli. In Chapter 1, I review the importance of employing biologically relevant sensory-perceptual visual models when …
Ecomusicology: Back To The Roots Of Sound/Music And Environmental Sustainability, Tiffany Challe
Ecomusicology: Back To The Roots Of Sound/Music And Environmental Sustainability, Tiffany Challe
Dissertations, Theses, and Capstone Projects
We are currently living in the midst of a global warming crisis, and running against the clock to counter the rapid depletion of natural resources in an increasingly technology-run world. The first step toward sustainability is to care for our world that is full of vibrant ecosystems and that we must work together to preserve. While the visual arts have served as a cogent platform for the environmental movement, this paper will argue that sound and music have been vastly overlooked in sustainability topics. Place-making music can capture a place's unique spirit and connect listeners with their local ecologies. Therein …
All Consuming Self-Destructiveness: Images Of Female Attractiveness In Fashion Advertising And The Impact On Women's Body Satisfaction, Self-Presentations On Social Networks, And Beauty-Related Consumption Behavior, Maria Christoforou
Dissertations, Theses, and Capstone Projects
Sociocultural stereotypes of feminine beauty are widespread in almost every form of popular media, but most pervasively in fashion advertising. The fashion advertising industry overwhelms women with images that represent what is considered to be the "ideal beauty." In reality, for most women such stereotypes of beauty are almost totally unachievable, as the ideal beauty portrayed in advertisements is based on absolute perfection. Advertisers' use of such extreme and unrealistic role models implies that in order for a woman to be considered beautiful she must be perfect, which makes it difficult for her to achieve any level of contentment with …
Beyond Information: College Choice As A Literacy Practice, Jeremy Samuel Greenfield
Beyond Information: College Choice As A Literacy Practice, Jeremy Samuel Greenfield
Dissertations, Theses, and Capstone Projects
Every year more than two million high school seniors prepare for and apply to college. These students visit college websites, write college admission essays, complete online application forms and use digital literacy tools to elicit and share knowledge about college. These literacy practices are central to the college choice process. Nonetheless, few scholars have examined how these practices are experienced by students or framed by the schools these students attend. Guided by Gee's Discourse theory, this study examines how a group of 14 high school seniors who attended a high poverty high school in the Bronx, New York developed the …
Nepantla And Ubuntu Ethics Para Nosotros: Beyond Scrupulous Adherence Toward Threshold Perspectives Of Participatory/Collaborative Research Ethics, Monique Antoinette Guishard
Nepantla And Ubuntu Ethics Para Nosotros: Beyond Scrupulous Adherence Toward Threshold Perspectives Of Participatory/Collaborative Research Ethics, Monique Antoinette Guishard
Dissertations, Theses, and Capstone Projects
Participatory Action Research (PAR) refers less to a method and more to a continuum of approaches to collaborative inquiry. Within PAR, ideally, some phenomenon has been identified as a mutual area of concern to researchers and community members; working together they design, conduct, analyze, and disseminate the findings of a shared piece of research and coordinate action(s) aimed at using research to redress injustice. If PAR is embraced holistically boundaries inevitably blur as research team members become enmeshed in each other's lives. This blurring while momentous can give rise to ethical quandaries that IRB centered research ethics are inadequate to …
To Be Or Not To Be A Math Person: Math Identity Dissonance In Ninth Grade Students, Noah Samuel Heller
To Be Or Not To Be A Math Person: Math Identity Dissonance In Ninth Grade Students, Noah Samuel Heller
Dissertations, Theses, and Capstone Projects
What student-level variables (e.g., demographic, attitudes toward math, attitudes toward school, and prior math achievement) affect the construction of a dissonant math identity? Research shows that the number of science, technology, engineering, and math (STEM) occupations is growing twice as fast as all other industries. Further, math achievement, more than any other academic factor, determines whether students have access to STEM majors in college and thus pursue STEM careers. Concomitantly, numerous studies have shown that the ways in which students identify with mathematics have a profound impact on their immediate performance and future decisions to pursue math and math-related majors …
Maturation Of Speech Discrimination And Attentional Requirements In Late Childhood, Judith Ann Iannotta
Maturation Of Speech Discrimination And Attentional Requirements In Late Childhood, Judith Ann Iannotta
Dissertations, Theses, and Capstone Projects
The ability to perceive speech sounds and contrasts continues to be refined throughout the course of development. While emerging models suggest that development is characterized by shifts from an attentionally demanding mode of processing speech sounds to one that occurs relatively automatically, the specific developmental time-course of these changes remains unclear. The present work reports the findings of two experiments that aimed to provide insights into the time-course by which neural processes underlying speech discrimination in children and adolescents becomes automatic. The experiments used event-related potentials (ERP) measures, with a particular focus on mismatch negativity (MMN) - a developmentally-sensitive index …