The Relationship Between Vagal Tone, A Marker Of Parasympathetic Activity, And Pro-Social Behavior, Emily A. Goodlin

Scripps Senior Theses

Vagal tone, a measure of parasympathetic activity via the vagus nerve, is known to be associated with positive emotion because it promotes social engagement and self-soothing behavior. Heart rate variability (HRV), especially high frequency oscillation, is a direct measure of vagal tone, and has been used in previous studies to test the correlation between vagal tone and positive emotion. This study aims to determine if the two major oscillations of heart rate variability, high frequency (HF-HRV) and low frequency (LF-HRV) can predict pro-social behavior, which is classified as giving donations to charities. Baseline LF- and HF-HRV levels were recorded, and …

The Feasibility Of Implementing A Novel Electrical Stimulation Device In The Self-Management Of Hand Burn Pain, Katrina Liddiard

Theses : Honours

Burns are widely acknowledged as one of the most painful injuries experienced, and poorly controlled pain following burn injury has been linked to reduced psychological adjustment, lower quality of life, and increased risk of developing a chronic pain state. Transcutaneous electrical nerve stimulation has been used for pain relief in a range of medical conditions, and may have the potential to reduce pain and analgesic consumption for burns patients. The burn care environment presents unique challenges to the introduction of new interventions, and the feasibility of introducing a novel form of electrical stimulation into this environment has not been tested. …

Parental Age At Conception: An Examination Of Risk Factors Related To Autism Severity And Comorbid Psychopathology, Robert D. Rieske

LSU Doctoral Dissertations

Many researchers have cited the continuing increase in the prevalence of autism worldwide and have speculated on the potential causes of that increase. One theory that suggests at least a contributory effect is the general trend for parents to have children at later ages. Previous research has begun to examine the relationship between advanced parental age at conception and the incidence of autism and have noted strong relationships between advanced parental age and other developmental disabilities. The purpose of this study was to not only confirm the relationship between advanced parental age and autism risk but to extend that knowledge …

Utilization Of The Alabama Parenting Questionnaire Across Family Structures: Do The Same Constructs Apply?, Leah Michelle Adams

LSU Doctoral Dissertations

America has experienced a marked increase in non-nuclear family structures over the last five decades. The evolution of more diverse family systems has led some researchers to eschew a “one size fits all” approach to parenting assessment, as these measures may neglect or misconstrue parent-child dynamics unique to non-nuclear families. The current study examined the underlying factor structure of the Alabama Parenting Questionnaire (APQ) in two distinct family structures to determine if parenting constructs were replicated across groups. Participants included 246 mothers from single parent and two-parent households in Louisiana. Statistical analyses included exploratory factor analysis, replication analysis, hierarchical regression …

Trait Affective, Behavioral, And Cognitive Factors Of Anxiety And Depressive Symptoms In Children And Adolescents: A Hierarchical Model, Reanna Elise Whiting

LSU Doctoral Dissertations

Researchers have proposed a vulnerabilities model that attempts to explain the similarities between the internalizing disorders via a hierarchical pathway of trait affectivity and cognitive factors among adults. The current study aimed to replicate and extend this model to symptoms of four internalizing disorders among youth: obsessions and compulsions, generalized anxiety/worry, social anxiety, and depression. Regression-based path analyses utilized data from a community sample of 105 youth aged 12-17 (67.6% female, 80% white, non-Hispanic). Results largely replicated prior models in the adult literature and overall supported a hierarchical paradigm. Trait negative affect and avoidant behavior predicted mid-tier cognitive vulnerabilities (anxiety …

A Comparison Of Psychotic Symptoms Recorded In Patient Files Of Persons With A First Diagnosis Of Schizophrenia In 1930 And 1960 Cohorts Drawn From A Large State Hospital, Kristopher Michael Lee Henderson

LSU Master's Theses

The growth of mental hospital populations during the 19th and 20th centuries along with the corresponding increase in the number of mental institutions is well documented. The cause of the growth is the subject of considerable debate. One hypothesis is that the growth in hospital population was due, in part, to an increase in the prevalence or incidence of schizophrenia. Another is that diagnostic criteria for schizophrenia changed with time in such a manner that increasing numbers of patients were given this diagnosis. The present study sought to address these issues in two ways: 1) by comparing the number and …

The Effects Of Familial Relationships And Sibling Sex Composition On Behavioral Adjustment In Middle Childhood, Elyse I. Pierce

Departmental Honors Projects

Differences in familial relationship qualities have been linked to children's adjustment during middle childhood (Bank, Burraston, & Snyder, 2004). Children with familial relationships characterized by positivity typically have fewer behavior problems than children with more negative familial relationships. However, less is known about how the parent-child and sibling relationships influence children's adjustment concurrently. In the present study, parent-child and sibling interactions were rated on positivity and negativity. Parental ratings of children's adjustment and relationship qualities were also examined. The presence of negativity in the parent-child and sibling relationships predicted poorer adjustment. Sibling negativity predicted additional variance above and beyond parental …

Moral Identity Development In Adulthood, Lourdes Andrea Murua

Theses and Dissertations (Comprehensive)

Abstract

Past research on moral identity development mostly focused on adolescence and early adulthood. As a consequence, little is known about developmental changes in moral identity in the adult years. The purpose of the present study was to broaden the research done on moral identity by investigating the changes in moral identity that individuals experience between adolescence and mid age. To this end, 252 participants were recruited. They ranged in age from 14 to 65 years, and were split into four age-groups: 14-18 years (N=67, 41 females) mean age 16.97; 19 to 25 years (N=52, 29 females) mean age 22.48; …

Activating The Biological And Behavioral Immune Systems, Julia Christensen

Departmental Honors Projects

Psychology recognizes two distinct facets of the immune system: the biological immune system (BIO), covering all processes of the typical immune system, and the behavioral immune system (BEH), a set of cognitive, emotional, and behavioral responses to environmental stimuli. Research on this dual immune system indicates that each is capable of influencing the other (Schaller & Park, 2011). For example, perception of illness in others can activate the sympathetic nervous system (Schaller, Miller, Gervais, Yager, & Chen, 2010). Furthermore, evidence suggests that these two systems are capable of influencing moral judgment (Inbar, Pizarro, & Bloom, 2008). This study aims to …

College Students’ Knowledge Of Suicide Risk Factors And Prevention Strategies, Joshua Mitchell

Departmental Honors Projects

Suicide is one of the leading causes of death among college aged students (Hirsch & Barton, 2011). Several risk factors for suicidal ideation have been identified, but little work has focused on awareness of suicide prevention resources. The focus of this study is to assess a college population’s knowledge on suicide risk factors and determine whether they feel strongly about one method of prevention over another. This study is focused on assessing individual knowledge of risk factors and identification of appropriate prevention strategies. It was hypothesized that participants who are more successful at identifying risk factors will be more knowledgeable …

Social Functioning In Schizotypy: An Exploration Of Communicative Effectiveness Through Speech Analysis And Observer Rated Performance In A Socially Demanding Task, Tracey Lauren Auster

LSU Doctoral Dissertations

Individuals with schizotypal traits have demonstrated sub-clinical symptoms of psychosis (e.g. perceptual disturbances, self-reported social functioning impairment, self-reported memory problems, and delusions). However, the evidence has been mixed regarding what impairments exist, particularly with regards to social functioning domains. As schizotypy is posited to reflect an underlying vulnerability for development of clinical levels of psychosis/risk conversion, individuals with these traits are an important group to study in order to identify these vulnerabilities. Research has indicated that current measures of social functioning (whether they are localized objective measures of verbal and non-verbal communication or global self-report of functioning) are missing some …

Functional Interplay Between Neurocognitive Decline And Risk Factors In Older Adults: A Multivariate Latent Growth Curve Model Of Risk, Rebecca Kathryn Macaulay

LSU Doctoral Dissertations

Alzheimer’s disease (AD) is a heterogeneous brain disease with multiple interacting risk factors, suggesting equifinality. Research indicates that the pathophysiological processes involved in AD are evident years prior to disease onset with significant variability in neurocognitive functioning being apparent during preclinical stages. Identification of individuals in preclinical stages is vital, as earlier interventions may prove more effective at ameliorating AD’s devastating effects. In this respect, clarifying relationships between risk factors and neurocognitive functioning in cognitively intact older adults can improve our understanding of mechanisms involved in preclinical AD, which may allow for earlier detection and intervention. The present study employed …

“Are The Girls Out To Bingo? And Is “Frenchie” Gettin Tipsy? On A Sudbury Saturday Night”: Gambling Among Older Francophones In North-Eastern Ontario, Éric R. Thériault

Theses and Dissertations (Comprehensive)

Since its legalization, gambling has become a popular form of entertainment in Canada (e.g., Tepperman & Wanner, 2012). Despite this increase in popularity, little research has been done examining gambling among older adults, and even in this area of research there is a lack of attention to minority groups (e.g., Ariyabuddhiphongs, 2012; Munro, Cox-Bishop, McVey, & Munro., 2003). Tirachaimongkol and colleagues (2010) proposed a theoretical pathways model to help explain problem gambling risk in older adults. This model includes three “clusters” of risk factors, including individual vulnerability factors, social and environmental factors, and behavioural regulation factors. The second cluster is …

Behavioral Effects Of Fluoxetine On Aggression And Associative Learning In Betta Splendens, Benjamin Eisenreich

Graduate Student Theses, Dissertations, & Professional Papers

While the link between serotonin and the behaviors of aggression and learning has been elucidated, few studies have examined the impact serotonin has on learning for aggressive rewards. In particular, the SSRI fluoxetine has been demonstrated to reduce aggression as well the acquisition of instrumental responding for rewards indicating that this drugs behavioral effect may be related to motivational processes important for learning. To examine the relationship between fluoxetine and motivational process important for learning, two experiments were conducted using Betta splendens, a species well known for their robust aggressive response and drive to engage in aggressive behaviors, to examine …

Javan Gibbon (Hylobates Moloch) Non-Vocal Social Communication And Gesture Use With Conspecifics, Melanie Bell

All Master's Theses

I explored gestures used by captive Javan gibbons (Hylobates moloch) at the Gibbon Conservation Center (Santa Clarita, CA). I hypothesized that a sender gibbon’s gesture modality would vary with the recipient gibbon’s attentional state and the sender would be equally likely to use all modalities (tactile, visual, actions, and facial expressions) when the recipient was attending (facing the sender), but would use more tactile gestures and actions when the recipient was non-attending (oriented away from the sender). I collected data from 10 individuals using all-occurrences sampling and an ethogram to score behaviors from video recordings. In 1,143 interactions, …

A Comparison Of Chimpanzee (Pan Troglodytes) Responses To Caregiver Use Of Positive Reinforcement Training (Prt) And Species-Specific Behaviors (Ssb), Whitney D. Emge

All Master's Theses

The present study compared the effects of positive reinforcement training (PRT) and unstructured interactions (UI) on chimpanzee (Pan troglodytes) behavior. In the PRT condition, a caregiver interacted with a chimpanzee to condition behaviors for 10 min. In the UI condition, a caregiver interacted without PRT for 10 min. Participants were five chimpanzees in a sanctuary setting. Chimpanzees were also videotaped for 10 min after trials (PTP) and for 10 min in a matched control (MC) period on a different day. From these videotapes experimenters coded chimpanzee behaviors and calculated durations in behavioral contexts. Chimpanzees spent a significantly higher …

Electrophysiological And Behavioral Working Memory Differences Between Musicians And Non-Musicians, Benjamin P. Richardson

All Master's Theses

The current study examines the P300 brainwave and working memory differences between musicians and non-musicians. Differences in aspects of recorded electrical brain activity have been used to quantify differences in updating processes of working memory possibly related to differences in amount of music experience. The current study is designed to partially replicate and enhance a method previously implemented in research describing how music experience may be associated with differences in visual processing as well auditory working memory and executive function. Behavioral data were collected using six standardized subtest measures of the TOMAL – II, followed by ERP recordings during a …

A Stress-Diathesis Model Of Depression: Examining Self-Compassion And Savoring, Justin Ford

College of Graduate Studies: Theses & Dissertations

Depression is a prevalent public health problem, with approximately 6.4% of Americans suffering from the condition each year. Emerging adults are especially vulnerable to depression, as approximately 25% of individuals from age 18-25 have reported experiencing at least one depressive episode. Considering the literature is replete with studies examining etiological components of depression, it surprising that few studies have examined the role of intrapersonal resources in the onset and maintenance of depressive symptoms. The current study sought to investigate depression in the context of intrapersonal resources in two important ways. First, the study examined the protective qualities of intrapersonal resources …

Transgender Individuals' Social Support Experiences In Central Appalachia, Angela J. Aaron

Theses and Dissertations--Educational, School, and Counseling Psychology

The majority of empirical studies in transgender psychology have focused on the negative experiences of urban transgender individuals (Grossman & D’Augelli, 2007; Koken, Bimbi, & Parsons, 2009; Melendez & Pinto, 2007; Singh & McKleroy, 2011; Strain & Shuff, 2010; Xavier, Bobbin, Singer, & Budd, 2005). Less is known about the experiences of rural transgender individuals (Fassinger & Arseneau, 2007; Grossman, 2008) especially in Central Appalachia (Gray, 2009). The purpose of this study was to examine transgender individuals’ perceptions of social support in Central Appalachia. Bronfenbrenner’s (1977) ecological model framed the analysis of social support experiences within the culture of Central …

Examining Memory Consolidation And Reconsolidation In An Appetitive Pavlovian Task, Jonathan J. Chow

Theses and Dissertations--Psychology

Memory plays an important role in defining how one behaves. The neurobiological mechanisms of memory have been studied extensively in animal models and the NMDA glutamate receptor has been identified to play an important role in the consolidation and reconsolidation of appetitive memories. Certain memories, depending on what was learned, can function differently and can be more difficult to disrupt based on a number of factors. Currently, no study has examined whether or not a reward-predictive stimulus attributed with incentive value is more difficult to disrupt than a stimulus that functions as a general reward-predictor. To determine the role of …

Stability And Change: Stress Responses And The Shaping Of Behavioral Phenotypes Over The Life Span, Michael B. Hennessy, Sylvia Kaiser, Tobias Tiedtke, Norbert Sachser

Psychology Faculty Publications

In mammals, maternal signals conveyed via influences on hypothalamic-pituitary-adrenal (HPA) activity may shape behavior of the young to be better adapted for prevailing environmental conditions. However, the mother's influence extends beyond classic stress response systems. In guinea pigs, several hours (h) of separation from the mother activates not only the HPA axis, but also the innate immune system, which effects immediate behavioral change, as well as modifies behavioral responsiveness in the future. Moreover, the presence of the mother potently suppresses the behavioral consequences of this innate immune activation. These findings raise the possibility that long-term adaptive behavioral change can be …

Domestication Affects The Structure, Development And Stability Of Biobehavioural Profiles, Sylvia Kaiser, Michael B. Hennessy, Norbert Sachser

Psychology Faculty Publications

Domestication is an evolutionary process during which the biobehavioural profile (comprising e.g. social and emotional behaviour, cognitive abilities, as well as hormonal stress responses) is substantially reshaped. Using a comparative approach, and focusing mainly on the domestic and wild guinea pig, an established model system for the study of domestication, we review (a) how wild and domestic animals of the same species differ in behaviour, emotion, cognition, and hormonal stress responses, (b) during which phases of life differences in biobehavioural profiles emerge and (c) whether or not animal personalities exist in both the wild and domestic form. Concerning (a), typical …

Shifting Perceptions : Exploring With The Rubber Hand Illusion, Avery Harrison

Honors Theses

In two experiments, we explored the boundary conditions for evoking the rubber hand illusion (RHI). In the first study, we hypothesized that we could elicit more vivid RHI experiences using personal cell phones than using wooden blocks as external objects because we interact with our phones and they are familiar objects. The cell phone condition elicited a weak illusory experience but it did not significantly differ from the wooden block condition. In the second study, we hypothesized that manipulating the size of rubber hands used for the illusion would affect size estimates of objects. Participants who experienced a strong RHI …

The Effect Of A Neurotoxic Dose Of Methamphetamine On Attention And Response Learning In The Rat, Anja Kremer

Honors Theses

High doses of methamphetamine (neurotoxic doses) have been shown to have an effect on both attention and response learning. In previous literature, meth rats were found to have higher reaction times, and therefore, it has been concluded that meth may cause a deficit in response learning. Our study, using modal initiation time as a measure of response learning, found no effects of methamphetamine or training condition on mode. Studies have also shown positively skewed reaction time distributions, which have been defined as attentional lapses. Our experiment used DevMode to measure these lapses. Although meth did not, training condition did have …

Social Support As A Mediator Between Attachment And Relapse In Women, Jamie Lynne Wong

Walden Dissertations and Doctoral Studies

Prescription pain medication abuse is a developing social problem in the United States. This quantitative study, grounded in attachment theory, examined relationships between attachment, perceived social support, and relapse. It was hypothesized that significant relationships existed between (a) attachment dimensions and relapse and (b) perceived social support and relapse. A further hypothesis was that perceived social support was a mediator in the relationship between attachment and relapse. Participants were 69 adult females, each of whom completed a demographic questionnaire; the Advanced Warning of Relapse (AWARE) Questionnaire; the Experiences in Close Relationships, Revised (ECR-R); and the Personal Resource Questionnaire (PRQ). A …

Effect Of Atomoxetine On Attentional Lapses: An Animal Model, Pooja Chawla

Honors Theses

Atomoxetine (ATX) is a non-stimulant drug that has been used to treat symptoms of ADHD, including lapses of attention. These attentional lapses are depicted as a longer, positive skew in a reaction time distribution comprised of a normal and an exponential curve. The central tendency is thought to represent sensory-motor processing; while the positive skew is thought to be caused by attentional lapses in animal models. This positive skew is larger in individuals with ADHD and is thought to be a result of an increased number of attentional lapses. In the animal model used in this experiment reaction time is …

A Naturalistic Computational Model Of Human Behavior In Navigation And Search Tasks, Brandon S. Perelman

Dissertations, Master's Theses and Master's Reports - Open

Planning, navigation, and search are fundamental human cognitive abilities central to spatial problem solving in search and rescue, law enforcement, and military operations. Despite a wealth of literature concerning naturalistic spatial problem solving in animals, literature on naturalistic spatial problem solving in humans is comparatively lacking and generally conducted by separate camps among which there is little crosstalk. Addressing this deficiency will allow us to predict spatial decision making in operational environments, and understand the factors leading to those decisions. The present dissertation is comprised of two related efforts, (1) a set of empirical research studies intended to identify characteristics …

The Influence Of Facial Attractiveness And Babyfaceness On Actors' Memorability, April Marie Burns

Electronic Theses and Dissertations

While researchers suggest that people displaying emotional expressions are memorable because of meanings associated with the expressions, the current study explored whether other facial characteristics, such as attractiveness and babyfaceness, how much an adult's face resembles a baby's, influence memorability as well. Introductory psychology students (150 female, 53 male) participated in an incidental memory task in which they attempted to recognize actors they had previously seen displaying emotional expressions who varied in both emotional attractiveness, how attractive actors appear due to changes in facial features associated with displaying emotional expressions, and emotional babyfaceness, how babyfaced actors appear due to changes …

A Qualitative Study Of How Children Experience And Live With Long Qt Syndrome, Patrick Mcelwaine

PCOM Psychology Dissertations

Long QT syndrome (LQTS) is an inherited and potentially fatal disorder affecting approximately 1 in 2,000 people. Children often experience anxiety and a sense of loss of control as they try to manage the medical, social, and psychological stress that accompanies being diagnosed with LQTS. The present study utilized a qualitative research design to examine how children experience and live with long QT syndrome. Semistructured interviews were conducted with eight children between the ages of 7 to 12 who were diagnosed with LQTS. This period in a child’s life is very important for developing social skills and self-esteem as peers …

Student Motivation: Teacher Perceptions, Beliefs And Practices, Teresa M. D'Elisa

PCOM Psychology Dissertations

The purpose of this study was to examine teachers' beliefs, perceptions and practices related to student motivation. Two-hundred-and-six teachers from 13 states completed an on-line survey containing the Perception of Student Motivation questionnaire (PSM), Motivating Strategies Questionnaire (MSQ), and researcher-devised questions examining theoretical beliefs and practices. Results reveal that teachers consider motivation to be an important part of their teaching. Teachers' reporting feeling efficacious for diagnosing and intervening for student motivation and believing in the malleability of motivation was found to correlate with motivational strategy use. This finding was consistent with previous research. However, their endorsement of theoretical beliefs and …