Psychology Commons^™

Ssri-Induced Emotional Blunting: A Study Of Cognitive Changes In Pharmaceutically Treated Depression, Carly Tocco

Dissertations, Theses, and Capstone Projects

Objective: In recent years, approximately 12.7% of the American population are on a prescribed antidepressant medication. Selective Serotonin Reuptake Inhibitors (SSRIs) are a widely used pharmacological treatment for depressive and anxiety disorders, primarily due to their tolerance levels, mild side effects in comparison to other antidepressants, and broad range of clinical indications. However, there are still numerous concerns about SSRIs’ ability to improve depressive symptoms without adding side effects such as sexual dysfunction, gastrointestinal upset, and a restricted range of emotions. Although patients typically claim that they have less emotional pain while on SSRIs than they do during a depressive …

Individual Differences In Coping With Large Multimodal Conflicts In A Spatial Orientation Paradigm, Cassandra J. Engstrom

Dissertations, Theses, and Capstone Projects

This study examined how humans respond to large 180º disparities between internally generated self-motion cues and external landmarks in a navigation task. Subjects learned the locations of 4 objects in a virtual environment, navigating back to these sites in a testing phase that probed their sense of direction at dead-ends. In select (incongruent) trials, subjects’ virtual rotations were mirrored relative to their physical turns, forcing them to navigate along separate virtual and physical trajectories. On these trials, subjects were either instructed to navigate using their memory of the required turn sequence (proprioceptive instructions) or the external environment (visual …

Withdrawal From Voluntary Oral Methamphetamine Reveals Female Specific Susceptibilities To Behavioral Deficits And Neurochemical Perpetuators Of Neurotoxicity And Drug Seeking Behavior, Nicoletta K. Memos

Dissertations, Theses, and Capstone Projects

MA is a potent, highly addictive psychomotor stimulant known to produce neurotoxic effects on the brain leading to neurological impairments^1-6 characterized by neurodegeneration of dopaminergic fibers, cell bodies and pathways, as well as brain regions such as the hippocampus, frontal cortex, and midbrain^1,5.

In MA addiction, women are more vulnerable to the behavioral and cognitive effects of MA compared to men. Adult human literature reveals gender differences in usage patterns and women demonstrate increased vulnerability to the neurotoxic effects and health effects of MA use. Women begin drug use at an earlier age, escalate drug use quicker, …

Investigation Of Behavioral Responses Including Visual Side Biases To Social Stimuli In Bottlenose Dolphins (Tursiops Truncatus), Jennifer R. Savoie

Dissertations, Theses, and Capstone Projects

Cetacean field studies have reported consistent population-level side biases for foraging behaviors and this right side feeding bias is arguably the strongest in any species next to handedness in humans. Notably, experimental studies with cetaceans, particularly dolphins, have struggled to find laterality in other behaviors, and some have reported patterns that are inconsistent with those typically found in vertebrates. Side biases related to social processing have been reported in a few observational studies of wild delphinids but have not been successfully evaluated in a controlled experimental context. This dissertation investigated viewing side biases of bottlenose dolphins in two contexts: when …

Semantic Network Activation Contributes To The Relationship Between Mood And Inhibition, James S. Maniscalco

Dissertations, Theses, and Capstone Projects

Prior research has identified several relationships between mood and executive functions. Very broadly, these findings generally suggest that positive moods are associated with enhanced cognitive performance, particularly in working memory and learning. However, recent studies note that there are some instances in which negative moods may benefit select executive skills, such as those involved in divided attention and inhibition. In sum, these findings indicate that positive moods favor top-down, heuristic, or relational processing, whereas negative trait moods favor bottom-up, detail-oriented processing. However, a clear mechanism by which these effects occur has yet to be identified.

The most compelling theories that …

A Schema-Theoretic Approach To Hierarchy In Eighteenth-Century Tonality, Simon K. S. Prosser

Dissertations, Theses, and Capstone Projects

Prevalent modern-day theories of tonal hierarchy for eighteenth-century music, especially those influenced by the ideas of Heinrich Schenker, have been called into question by schema theorists such as Robert Gjerdingen and Vasili Byros, who argue from both cognitive and historical evidence that eighteenth-century tonal cognition was sequential or “windowed” rather than hierarchical. This dissertation seeks to recuperate the concept of tonal hierarchy in eighteenth-century music, drawing on research that reconstructs the implicit tonal theories of the partimento and thoroughbass traditions, as well as concepts of hierarchy from schema theory itself, to formulate a historically and cognitively grounded theory of tonal …

Characterizing The Brain Dynamics And Eye Movement Behavior Of Memory-Guided Saccades: A Preliminary Investigation Of Distractor Influence On Memory-Guided Saccades, Angelo V. Colmenero

Dissertations, Theses, and Capstone Projects

Research has helped to shed light on the functional organization and neural mechanisms of distractors on memory-guided saccades. In our current study we have utilized eye tracking and EEG technology to simultaneously record the changes in saccadic eye movement (SEM) behavior and event-related potentials (ERPs) associated with performance on a memory-guided saccade task with distractor conditions. Thirteen healthy control participants (n = 13; 6 female) were tasked to complete 864 memory-guided saccade trials with both visible (white) and invisible (black) distractors presented on a black background before saccade initiation. Compared with the control (black) distractor condition, distractor presentation produced a …

The Role Of Perceived Warmth And Competence In Civil Trials With Corporate Litigants, Alexander C. Jay

Dissertations, Theses, and Capstone Projects

Corporations are involved in approximately 40% of all civil litigation (Langton & Cohen, 2008), yet there is much to be learned concerning how jurors make decisions in trials involving corporate litigants. Mock juror research suggests that for-profit corporations are treated more harshly than other defendants, such as non-profit corporations and individuals (e.g., Hans, 1998). This discrepant treatment of for-profit corporate defendants might be linked to unmitigated stereotypical perceptions of them being low in warmth (i.e., likely to have immoral intentions) but high in competence (i.e., likely to be capable of acting on those intentions; Aaker et al., 2010). Research shows …

An Evaluation Of An Application Designed For The Ipad® To Measure Stimulus Overselectivity For Future Use In Autism Research, Adrienne A. Fitzer

Dissertations, Theses, and Capstone Projects

Twenty-three college students participated in two studies evaluating an application designed to measure stimulus overselectivity in pictures depicting facial affect. We analyzed whether this application worked as designed by evaluating whether it could provide a robust analysis of the types of errors users make (e.g., by matching by the top features, the bottom features, or not by the top or the bottom features), and the extent to which the application worked to decrease selective responding in the event a user was not matching consistently by all features. We also evaluated if participant scores on the Autism Quotient and RAADS-14 could …

A Glance At The Mirror: Ensemble Perception Of Symmetry, Gene Jerskey

Dissertations, Theses, and Capstone Projects

A growing body of research has demonstrated the ability of subjects to extract representative statistics from visual ensembles, images of similar but distinct groups of objects, without conscious effort or attention focused on individual members of the ensemble. When presented with ensembles, subjects have been able to accurately report the mean, range, and even distribution of various features in the ensemble. Research into ensemble perception, as it has become known, has divided mainly into studies of either low-level features, such as orientation, motion, and color, which are processed in early visual areas, at least for individual objects, or high-level features, …

The Temporal Dynamics Of Ensemble Perception, Michael L. Epstein

Dissertations, Theses, and Capstone Projects

The striking disparity between the subjective richness of experience and the considerable limitations of perceptual processing has emerged as an essential, enduring question in both vision science and philosophy of mind. A potential solution to this issue is ensemble perception: the ability for the visual system to compute the statistical summaries of object groups, effectively compressing an otherwise overwhelming amount of information. Previous work has supported that ensemble statistics can be perceived quickly and accurately for a wide range of object features. This has motivated models of ensemble perception as an early process in vision, providing an initial sense of …

The Cognitive Thalamus: Source Analysis Of Scene Working Memory Delay Activity, Bernard A. Gomes

Dissertations, Theses, and Capstone Projects

Working Memory represents a limited-capacity store for maintaining information and manipulating the store's contents over a short period for the guidance of goal-directed behavior. Working Memory is an essential component of executive functions that are intricately associated with the prefrontal cortex (PFC). The PFC has been implicated in maintaining task-related information online for brief periods in the absence of relevant information. This active maintenance phase is called the delay period that occurs between encoding and retrieval of the stimulus. Previous studies have attempted to understand the relationship between working memory and the PFC, especially during the delay or maintenance phase …

Pre-Report Review Of Body-Worn Camera Footage: An Examination Of Stakeholder Beliefs, Laypeople’S Judgments Of Officer Credibility, And The Consequences For Memory, Kristyn A. Jones

Dissertations, Theses, and Capstone Projects

Aim: This dissertation examines people’s beliefs about police officer access to body-worn camera footage, people’s judgments of officer credibility as it relates to video footage, and the consequences that review of footage has on reporting accuracy.

Rationale: With escalating police-civilian tensions in 2014, American police departments adopted body-worn camera programs. A majority of departments have policies allowing officers unrestricted access to camera footage. Because officers fear that inconsistencies between reports and videos could result in suspicion of officer deceit, they argue that officers should have access to footage before writing their reports to ensure reports match the footage. Yet, because …

Mapping The Spatial And Temporal Dynamics Of Visual Percepts Elicited By A Non-Invasive Brain Stimulation Technique, Kelly Webster

Dissertations, Theses, and Capstone Projects

While many of us rely on vision to interact with and experience the world, for people with damage or disease to the eye or visual cortex, experience through this modality is extremely limited. Brain and retinal stimulation devices show exciting promise for restoring vision, but little is understood about where and when vision percepts can be induced through stimulation. Using a non-invasive brain stimulation technique called transcranial magnetic stimulation (TMS), we characterized the spatial and temporal dynamics of perception induced through brain stimulation. In the first set of experiments, we explore the importance of higher visual and non-visual areas vs. …

Internal And External Attention In Autism Spectrum Disorder, Tehila Eilam-Stock

Dissertations, Theses, and Capstone Projects

Autism Spectrum Disorder (ASD) is a pervasive neurodevelopmental condition affecting individuals throughout the lifespan. Sensory hypersensitivity and superior perceptual acuity are well documented in individuals with ASD, and may indicate heightened orientation of attention to external stimuli, as attention can augment sensory perception. Recent evidence from mind-wandering research suggests that the ability to disengage attention from the external environment and direct it internally to self-generated mentation is crucial for adaptive cognition and behavior, as it allows for incorporation of past knowledge and experience in the interpretation of novel situations. We hypothesized that ASD is related to an imbalance between externally …

Neural Correlates Of Automatic Emotional Processing And Emotion Regulation In Empathy And Psychopathy-Related Coldheartedness, Danielle Difilipo

Dissertations, Theses, and Capstone Projects

Psychopathy is a personality disorder that is defined, in part, by a lack of empathy. Psychopathy-related empathic deficits have been associated with atypical behavioral and neural responses to emotional facial expressions. Although the mirror neuron system (MNS) has been implicated in empathy, very few studies have examined the role of MNS functioning as it pertains to empathy impairments in psychopathy. Moreover, there is very little empirical research regarding emotion regulation in psychopathy, and specifically whether emotional responses can be intentionally upregulated. The present study sought to clarify whether the MNS is functionally intact in adults with subclinical psychopathic traits, particularly …

The Use Of Infographics To Assess Context Processing, Beliz Hazan

Dissertations, Theses, and Capstone Projects

Among high-order cognitive functions is the use of context to enhance comprehension of language or visual scenes. Although use of context is known to be impaired in certain clinical populations (e.g., schizophrenia), no existing test adequately assesses this construct. To fill this gap, we developed and attempted to validate a test of context use that employed Infographics (information graphics), which requires the use of context to interpret visual displays. The primary hypothesis was that interpreting Infographics would be sensitive to context processing. We further hypothesized that different levels of cognitive processing (requiring basic perceptual, real-world application, or verbal reasoning), as …

Visual Entrainment Of Perception-Related Neural Oscillations As A Mechanism For Maintaining Rhythmic Temporal Expectations Across A Wide Range Of Frequencies, Michael James Gray

Dissertations, Theses, and Capstone Projects

Visual sensitivity fluctuates rhythmically, in-synch with ongoing, EEG-recorded neural oscillations across a wide range of frequencies (~1-25hz). Some recent work has suggested that these perception-related neural oscillations can be entrained by rhythmic visual stimulation. Evidence is also emerging that the entrainment of ongoing oscillations in visual and auditory cortices is involved in rhythmic temporal expectations. In the introduction chapter, I attempt to bridge these bodies of literature and hypothesize that rhythmic visual stimuli automatically entrain ongoing, perception-related neural oscillations and that this mechanism supports the maintenance of rhythmic temporal expectations. Chapters 2 and 3 address this hypothesis from different angles. …

Queerness, Witchcraft, And Embodied Presence: Aesthetic Knowings Of What A Body Can Do, Megan Bigelow

Dissertations, Theses, and Capstone Projects

Taking as a point of entry the critique of representation and affirming the limitations of the cuts that language makes, this capstone project explores the imbrications and assemblages between Foucault’s concept of subjugated knowledges, witchcraft and other body-based ways of knowing and being, and the consciousness of non-human forms such as plants and through the framework of non-representational theory, process philosophies, aesthetics, queerness, and the concept of difference itself.

Since such theories themselves are living, breathing entities, this capstone project explores the ideological split that has occurred between sacred and secular beliefs, moving through different figures such as nuns and …

Recognition By Flickering Components: The Effect Of Temporal Modulation On Image Recognition, Alla Chavarga

Dissertations, Theses, and Capstone Projects

A primary goal of vision is to identify objects rapidly and efficiently. Successful object and scene recognition results from the integration of both feed-forward and feedback processes that correspond a two-dimensional retinal image to a representation of its content stored in memory (Bar, 2003). One general organizing principle may be that the visual system analyzes images and scenes according to their spatial components in a coarse- (low spatial frequency) to-fine (high spatial frequency) sequence (Bullier, 2001; Hegde, 2008). An individual’s sensitivity to these spatial components is described by contrast sensitivity function (CSF), which indicates the minimum contrast required for the …

Detecting Cognitive, Functional And Behavioral Response To Donepezil In Alzheimer’S Disease: The Role Of Attention Tasks, Clara Vila-Castelar

Dissertations, Theses, and Capstone Projects

Introduction: Cholinesterase Inhibitors (ChEIs) used in Alzheimer’s Disease (AD) have modest effects, heterogeneous treatment response, and it has been difficult to detect treatment response. The standard research and clinical outcome measure, the Alzheimer’s Disease Assessment Scale-Cognitive subscale (ADAS-Cog) aggregates multiple cognitive domains, and has limited sensitivity. We propose that because acetylcholine is directly linked to the cognitive domain of attention, and ChEIs increase available acetylcholine, measures of attention under high-load conditions could predict long-term cognitive, functional and behavioral response, and thus, unlike global measures, could be sensitive to treatment efficacy.

Method: We conducted a longitudinal, open label donepezil trial …

Dancing, Mindfulness, And Our Emotions: Embracing The Mind, Body, And Sole, Alisha M. Collins

Dissertations, Theses, and Capstone Projects

This capstone project examines dance, as an intervention and mindfulness practice that assists with managing our emotions. There is a need for dance therapy in social institutions such as, healthcare facilities, schools, and community centers. Dance therapy has the potential to reduce negative emotions, create mindfulness, improve self-expression, and promote a healthy well-being. I am proposing that dance therapy is applied as a regular practice in social institutions to develop mindfulness and promote emotional stability.

In this study, I argue that dance therapy can contribute to our well-being long term. In addition to this written thesis, a visual component of …

Being In Performance: A Philosophical Account Of The Embodied Actor, Brad M. Krumholz

Dissertations, Theses, and Capstone Projects

In this dissertation I present and analyze three distinct actor-training exercises primarily through the lens of the Embodied Cognition (EC) branch of contemporary philosophy, which attempts to frame human understanding as a fully embodied interaction with the environment. Drawing from neuroscience, psychology, linguistics, and other branches of philosophy, EC provides both an excellent set of tools and a strong theoretical framework to help explain how people encounter meaning in life. I apply its unique perspectives to this philosophical account of the embodied actor as I analyze the various elements at play in actor training praxis, which allows me to shed …

Social Influences On Songbird Behavior: From Song Learning To Motion Coordination, Iva Ljubičić

Dissertations, Theses, and Capstone Projects

Social animals learn during development how to integrate successfully into their group. How do social interactions combine to maintain group cohesion? We first review how social environments can influence the development of vocal learners, such as songbirds and humans (Chapter 1). To bypass the complexity of natural social interactions and gain experimental control, we developed Virtual Social Environments, surrounding the bird with videos of manipulated playbacks. This way we were able to design sensory and social scenarios and test how social zebra finches adjust their behavior (Chapters 2 & 3). A serious challenge is that the color output of a …

Syntax And Semantics Of Perceptual Representation, James K. Quilty-Dunn

Dissertations, Theses, and Capstone Projects

This dissertation is a defense of perceptual pluralism, the thesis that perceptual systems deliver multiple types of representations including those used in thought. In particular, it argues that perceptual systems output iconic (i.e., image-like, analog) representations as well as discursive (i.e., language-like, digital) states. A central thesis is that perceptual representations of objects are propositional and composed of concepts. It also develops a compositional syntax of iconic representation called the coordination model, according to which icons are sets of primitive parts, each of which determines values along multiple analog feature dimensions simultaneously. The dissertation supports the conclusion that perceptual …

Walking As Ontological Shifter: Thoughts In The Key Of Life, Bibi (Silvina) Calderaro

Dissertations, Theses, and Capstone Projects

With walking as ontological shifter I pursue an alternative to the dominant modernist episteme that offers either/or onto-epistemologies of opposition and their reifying engagements. I propose this type of walking is an intentional turning towards a set of radical positions that, as integrative aesthetic and therapeutic practice, brings multiplicity and synchronicity to experience and being in an expanded sociality. This practice facilitates the conditions of possibility for recurring points of contact between the interiority perceived as ‘body’ and the exteriority perceived as ‘world.’ While making evident the self’s at once incoherence with it-self, it opens to a space beyond the …

Do Spellings Of Words And Phonemic Awareness Training Facilitate Vocabulary Learning In Preschoolers?, Robin O'Leary

Dissertations, Theses, and Capstone Projects

The purpose of this study was to examine the contribution of phoneme awareness training and orthography to the learning of new vocabulary words by partial alphabetic phase readers. We hypothesized that four and five year old children taught to segment words with letters would outperform those trained with shape markers and those that received no segmentation training on an invented spelling task. We also hypothesized that students seeing the spellings of new vocabulary words (names) would learn the words in fewer trials, remember the names and features better and would be able to better recognize letter labels when presented alone. …

Spatial-Relational Learning And Memory Deficits Associated With Nmdar Autoantibodies In Systemic Lupus Erythematosus, Brittany L. Bascetta

Dissertations, Theses, and Capstone Projects

Individuals with Systemic Lupus Erythematosus (SLE) experience inflammation that may target any organ within the body, including the central and peripheral nervous systems. Additionally, these individuals often demonstrate psychological dysfunctions including emotional and cognitive deficits; however, research is inconsistent as to the nature and cause of these dysfunctions. While there are multiple factors that may increase risk for variability in cognitive function, such as population differences, socioeconomic status (SES), mood disorders (depression and anxiety), medication effects, and disease activity, these factors do not reliably predict the severity and extent of cognitive deficits. A growing body of animal research associates autoantibodies …

Adhd And Theory Of Mind In School-Age Children: Exploring The Cognitive Nature Of Social Interactions In Children With Adhd, Rachel Feigenbaum

Dissertations, Theses, and Capstone Projects

Children with Attention Deficit Hyperactivity Disorder (ADHD) experience significant difficulties with social skills (Barkley, 2006; DuPaul & Stoner, 2003; Stormont, 2001). The inhibitory deficit associated with ADHD is typically identified as the cause of these impaired social skills (Barkley, 2006). Additionally, some researchers have suggested that theory of mind (ToM), which is the ability to attribute mental states to oneself and to others, may be involved, but the research on ToM deficits in children with ADHD is limited and the findings are mixed. A key methodological issue in this literature is the use of traditional but problematic measures of advanced …

Warmth And Competence Traits: Perceptions Of Female And Male Nurse Stereotypes, Randolph E. Gross

Dissertations, Theses, and Capstone Projects

A nursing shortage looms ahead; 1.03 million new nurses will be needed by 2022 to meet society's healthcare needs. A major barrier to recruitment of women and men are nurse stereotypes. The literature suggests four female and four male stereotypes exist; however, no quantitative research exists that explores perceptions of non-nursing undergraduate students. Approximately, 90% of college students do not consider nursing as a career option, and 72% have misconceptions of what nurses do in reality.

According to social cognitive theory's Stereotype Content Model (SCM), perceptions are viewed through a combination of two dimensions: warmth and competence. The author devised …