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Psychology

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2016

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Full-Text Articles in Medicine and Health Sciences

Alcohol Use And Strenuous Physical Activity In College Students: A Longitudinal Test Of 2 Explanatory Models Of Health Behavior, Heather A. Davis, Elizabeth N. Riley, Gregory T. Smith, Richard S. Milich, Jessica L. Burris Dec 2016

Alcohol Use And Strenuous Physical Activity In College Students: A Longitudinal Test Of 2 Explanatory Models Of Health Behavior, Heather A. Davis, Elizabeth N. Riley, Gregory T. Smith, Richard S. Milich, Jessica L. Burris

Psychology Faculty Publications

Objective: To help clarify the effect of gender on the bidirectional relationship between alcohol use and strenuous physical activity in college students. Participants: Five hundred twenty-four (52% female) college students recruited in August 2008 and 2009 and followed up in April 2009 and April 2011, respectively. Methods: Participants reported their alcohol use and strenuous physical activity on 2 occasions (baseline and follow-up) spaced approximately 1 or 2 years apart. Results: For females, alcohol use quantity at baseline was associated with increased strenuous physical activity at 1- and 2-year follow-ups, and alcohol use frequency at baseline was …


Principles Of Incorporating Spirituality Into Professional Clinical Practice, Thomas G. Plante Dec 2016

Principles Of Incorporating Spirituality Into Professional Clinical Practice, Thomas G. Plante

Psychology

Incorporating spirituality into contemporary professional clinical practice has become more common in recent years most notably with the popular interest of mindfulness meditation, mindfulness based stress reduction, and yoga in particular. However, many other spiritual and religiously based assessment and treatment approaches have also been successfully utilized with a great deal of evidence-based research to support their use and effectiveness. The purpose of this brief article is to outline several guiding principles for those professionals interested in integrating spiritual and religious wisdom and approaches into their professional clinical practices in the spirit of diversity and multiculturalism sensitivity and respect. Psychology …


The Relationship Between Religiosity And Health-Promoting Behaviors In Pregnant Women, Natalie A. Cyphers, Andrea D. Clements, Glenda Lindseth Nov 2016

The Relationship Between Religiosity And Health-Promoting Behaviors In Pregnant Women, Natalie A. Cyphers, Andrea D. Clements, Glenda Lindseth

ETSU Faculty Works

Pender’s health promotion model guided this descriptive/correlational study exploring the relationship between religiosity and health-promoting behaviors of pregnant women at Pregnancy Resource Centers (PRCs). A consecutive sample included women who knew they were pregnant at least 2 months, could read/write English, and visited PRCs in eastern Pennsylvania. Participants completed self-report surveys that examined religiosity, demographics, pregnancy-related variables, services received at PRCs, and health-promoting behaviors. Women reported they “sometimes” or “often” engaged in health-promoting behaviors, Hispanic women reported fewer health-promoting behaviors than non-Hispanic women, and women who attended classes at the centers reported more frequent health-promoting behaviors than those who did …


Psychological Needs, Self-Regulation, And Motivation Profiles Among A Sample Of Hong Kong Chinese University Students: A Person-Centered Approach, Cecilia M. S. Ma, Daniel T. L. Shek, Catie C. W. Lai Nov 2016

Psychological Needs, Self-Regulation, And Motivation Profiles Among A Sample Of Hong Kong Chinese University Students: A Person-Centered Approach, Cecilia M. S. Ma, Daniel T. L. Shek, Catie C. W. Lai

Pediatrics Faculty Publications

To better understand factors that influence individuals’ motivation to engage in physical activity, this study aimed to identify the motivational profiles among the Chinese university students, compare the motivational profiles between genders, and explore whether satisfaction of various psychological needs vary with different motivational profiles. Two thousand and twenty-two Chinese university students completed a battery of self-report questionnaires assessing motivation regulation and psychological needs satisfaction. Three motivational profiles were identified for both genders. The overall patterns of the motivational profiles for both genders were similar. However, males (44%) were more likely than their female counterparts (19%) in self-determined profile group. …


Subjective Report Of Side Effects Of Prescribed And Nonprescribed Psychostimulant Use In Young Adults, Tess E. Smith, Michelle M. Martel, Alan D. Desantis Nov 2016

Subjective Report Of Side Effects Of Prescribed And Nonprescribed Psychostimulant Use In Young Adults, Tess E. Smith, Michelle M. Martel, Alan D. Desantis

Psychology Faculty Publications

Background: Side effects of prescribed and nonprescribed psychostimulant use are understudied. Objectives: The study examined side effects of prescribed and nonprescribed psychostimulant use in a college sample with attention to possible gender differences. Methods: 2716 undergraduates (1448 male) between the ages of 17 and 57 years (M = 19.43 years, SD = 1.7 years) completed an online survey that included questions about the subjective side effects of prescribed and nonprescribed psychostimulant use. Results: Results suggested that prescribed users more frequently reported side effects, compared to nonprescribed users. For prescribed users, females more frequently reported appetite, somatic, and anxiety-related side …


Perceptions Of Peer Sexual Behavior: Do Adolescents Believe In A Sexual Double Standard?, Michael Young, Susan Cardenas, Joseph Donnelly, Mark J. Kittleson Nov 2016

Perceptions Of Peer Sexual Behavior: Do Adolescents Believe In A Sexual Double Standard?, Michael Young, Susan Cardenas, Joseph Donnelly, Mark J. Kittleson

Department of Public Health Scholarship and Creative Works

BACKGROUND

The purpose of the study was to (1) examine attitudes of adolescents toward peer models having sex or choosing abstinence, and (2) determine whether a “double standard” in perception existed concerning adolescent abstinence and sexual behavior.

METHODS

Adolescents (N = 173) completed questionnaires that included 1 of 6 randomly assigned vignettes that described male and female peer models 3 ways: (1) no information about model's sexual behavior, (2) model in love but choosing abstinence, and (3) model in love and having sex. Participants read the vignette to which they had been assigned and responded to statements about the peer …


Resting-State Network-Specific Breakdown Of Functional Connectivity During Ketamine Alteration Of Consciousness In Volunteers., Vincent Bonhomme, Audrey Vanhaudenhuyse, Athena Demertzi, Marie-Aurélie Bruno, Oceane Jaquet, Mohamed Ali Bahri, Alain Plenevaux, Melanie Boly, Pierre Boveroux, Andrea Soddu, Jean François Brichant, Pierre Maquet, Steven Laureys Nov 2016

Resting-State Network-Specific Breakdown Of Functional Connectivity During Ketamine Alteration Of Consciousness In Volunteers., Vincent Bonhomme, Audrey Vanhaudenhuyse, Athena Demertzi, Marie-Aurélie Bruno, Oceane Jaquet, Mohamed Ali Bahri, Alain Plenevaux, Melanie Boly, Pierre Boveroux, Andrea Soddu, Jean François Brichant, Pierre Maquet, Steven Laureys

Brain and Mind Institute Researchers' Publications

BACKGROUND: Consciousness-altering anesthetic agents disturb connectivity between brain regions composing the resting-state consciousness networks (RSNs). The default mode network (DMn), executive control network, salience network (SALn), auditory network, sensorimotor network (SMn), and visual network sustain mentation. Ketamine modifies consciousness differently from other agents, producing psychedelic dreaming and no apparent interaction with the environment. The authors used functional magnetic resonance imaging to explore ketamine-induced changes in RSNs connectivity.

METHODS: Fourteen healthy volunteers received stepwise intravenous infusions of ketamine up to loss of responsiveness. Because of agitation, data from six subjects were excluded from analysis. RSNs connectivity was compared between absence of …


Alcohol Use Variability In A Community-Based Sample Of Nonstudent Emerging Adult Heavy Drinkers, Cathy Lau-Barraco, Abbly L. Braitman, Amy L. Stamates, Ashley N. Linden-Carmichael Nov 2016

Alcohol Use Variability In A Community-Based Sample Of Nonstudent Emerging Adult Heavy Drinkers, Cathy Lau-Barraco, Abbly L. Braitman, Amy L. Stamates, Ashley N. Linden-Carmichael

Psychology Faculty Publications

BACKGROUND: While nonstudent emerging adults are at elevated risk for experiencing alcohol-related problems, there remains a paucity of research devoted specifically to addressing drinking in this group.

OBJECTIVES: The present study sought to offer unique insights into nonstudent drinking by examining drinking variability across 30 days using a retrospective diary method. Specific aims were to: (1) compare within- and between-person variability in alcohol use across 30 days, and (2) determine the extent to which central social-cognitive between-person factors (i.e., social expectancies, perceived drinking norms, social drinking motivations) predict between-person alcohol use as well as within-person variability in drinking.

METHODS: Participants …


Understanding Teamwork In The Provision Of Cancer Care: Highlighting The Role Of Trust, Elizabeth H. Lazzara, Joseph R. Keebler, Soosi Day, Deborah Diazgranados, Minggui Pan, Michael A. King, Shin-Ping Tu Nov 2016

Understanding Teamwork In The Provision Of Cancer Care: Highlighting The Role Of Trust, Elizabeth H. Lazzara, Joseph R. Keebler, Soosi Day, Deborah Diazgranados, Minggui Pan, Michael A. King, Shin-Ping Tu

Publications

Team science research has indicated that trust is a critical variable of teamwork, contributing greatly to a team’s performance. Trust has long been examined in health care with research focusing on the development of trust by patients with their health care practitioners. Studies have indicated that trust is linked to patient satisfaction, adherence to treatment, continuity of care, and improved outcomes. We explore the construct of trust using a case example of a patient who received a surgical procedure for a precancerous polyp. We apply the principle of trust to the case as well as present the literature on trust …


The Serotonin Transporter Promoter Polymorphism Moderates The Continuity Of Behavioral Inhibition In Early Childhood., Victoria C Johnson, Katie R Kryski, Haroon I Sheikh, Heather J Smith, Shiva M Singh, Elizabeth P Hayden Nov 2016

The Serotonin Transporter Promoter Polymorphism Moderates The Continuity Of Behavioral Inhibition In Early Childhood., Victoria C Johnson, Katie R Kryski, Haroon I Sheikh, Heather J Smith, Shiva M Singh, Elizabeth P Hayden

Brain and Mind Institute Researchers' Publications

Persistently elevated behavioral inhibition (BI) in children is a marker of vulnerability to psychopathology. However, little research has considered the joint influences of caregiver and child factors that may moderate the continuity of BI in early childhood, particularly genetic variants that may serve as markers of biological plasticity, such as the serotonin transporter linked polymorphic region (5-HTTLPR). We explored this issue in 371 preschoolers and their caregivers, examining whether parent characteristics (i.e., overinvolvement or anxiety disorder) and child 5-HTTLPR influenced the continuity of BI between ages 3 and 5. Measures were observational ratings of child BI, observational and questionnaire measures …


Usage Of Swi (Susceptibility Weighted Imaging) Acquired At 7t For Qualitative Evaluation Of Temporal Lobe Epilepsy Patients With Histopathological And Clinical Correlation: An Initial Pilot Study., Benjamin Y M Kwan, Fateme Salehi, Pavlo Ohorodnyk, Donald H Lee, Jorge G Burneo, Seyed M Mirsattari, David Steven, Robert Hammond, Terry M Peters, Ali R Khan Oct 2016

Usage Of Swi (Susceptibility Weighted Imaging) Acquired At 7t For Qualitative Evaluation Of Temporal Lobe Epilepsy Patients With Histopathological And Clinical Correlation: An Initial Pilot Study., Benjamin Y M Kwan, Fateme Salehi, Pavlo Ohorodnyk, Donald H Lee, Jorge G Burneo, Seyed M Mirsattari, David Steven, Robert Hammond, Terry M Peters, Ali R Khan

Brain and Mind Institute Researchers' Publications

OBJECTIVES: Ultra high field MRI at 7T is able to provide much improved spatial and contrast resolution which may aid in the diagnosis of hippocampal abnormalities. This paper presents a preliminary experience on qualitative evaluation of 7T MRI in temporal lobe epilepsy patients with a focus on comparison to histopathology.

METHODS: 7T ultra high field MRI data, using T1-weighted, T2*-weighted and susceptibility-weighted images (SWI), were acquired for 13 patients with drug resistant temporal lobe epilepsy (TLE) during evaluation for potential epilepsy surgery. Qualitative evaluation of the imaging data for scan quality and presence of hippocampal and temporal lobe abnormalities were …


Quantifying And Comparing The Pattern Of Thalamic And Cortical Projections To The Posterior Auditory Field In Hearing And Deaf Cats., Blake E Butler, Nicole Chabot, Stephen G Lomber Oct 2016

Quantifying And Comparing The Pattern Of Thalamic And Cortical Projections To The Posterior Auditory Field In Hearing And Deaf Cats., Blake E Butler, Nicole Chabot, Stephen G Lomber

Brain and Mind Institute Researchers' Publications

Following sensory loss, compensatory crossmodal reorganization occurs such that the remaining modalities are functionally enhanced. For example, behavioral evidence suggests that peripheral visual localization is better in deaf than in normal hearing animals, and that this enhancement is mediated by recruitment of the posterior auditory field (PAF), an area that is typically involved in localization of sounds in normal hearing animals. To characterize the anatomical changes that underlie this phenomenon, we identified the thalamic and cortical projections to the PAF in hearing cats and those with early- and late-onset deafness. The retrograde tracer biotinylated dextran amine was deposited in the …


Habitual Chocolate Intake And Type 2 Diabetes Mellitus In The Maine-Syracuse Longitudinal Study: (1975-2010): Prospective Observations, Georgina E. Crichton, Merrill F. Elias, Peter J. Dearborn Ma, Michael A. Robbins Oct 2016

Habitual Chocolate Intake And Type 2 Diabetes Mellitus In The Maine-Syracuse Longitudinal Study: (1975-2010): Prospective Observations, Georgina E. Crichton, Merrill F. Elias, Peter J. Dearborn Ma, Michael A. Robbins

Maine-Syracuse Longitudinal Papers

Compounds in cocoa and chocolate have established cardiovascular benefits, including beneficial effects on insulin resistance, a risk factor for type 2 diabetes mellitus. The aims of this study was to investigate relations between habitual chocolate intakes and diabetes mellitus. Cross-sectional and prospective analyses were undertaken on 953 community-dwelling participants (mean age 62 years, 59% women) from the Maine-Syracuse Longitudinal Study (MSLS). Habitual chocolate intakes, measured using a food frequency questionnaire, were related to prevalence of diabetes mellitus (cross-sectionally) and with risk of diabetes measured approximately five years later (prospectively). We also examined the relation between diabetes (the predictor) and chocolate …


Medical Cannabis: Miracle Or Myth?, Blair Henry, Arnav Agarwal, Edward Chow, Hatim A. Omar, Joav Merrick Oct 2016

Medical Cannabis: Miracle Or Myth?, Blair Henry, Arnav Agarwal, Edward Chow, Hatim A. Omar, Joav Merrick

Pediatrics Faculty Publications

No abstract provided.


Pharmacology Of Cannabis, Mandakini Sadhir Oct 2016

Pharmacology Of Cannabis, Mandakini Sadhir

Pediatrics Faculty Publications

Cannabis has been used for recreational purposes around the world. It is derived from the plant cannabis sativa which has various other compounds known as cannabinoids. Most common form of cannabis used for recreational purpose is marijuana, which is prepared from dried flowering tops and leaves. The primary psychoactive component is delta 9-tetrahydrocannabinol (δ-9THC), which exerts its physiological and psychological effects through its interaction with CB1 and CB2 receptors. Smoking is the most commonly used method with onset of effects within minutes after inhalation. Oral ingestion of cannabis has varied absorption with delayed onset but longer duration of action. Urine …


Neural Measures Reveal Implicit Learning During Language Processing., Laura J Batterink, Larry Y Cheng, Ken A Paller Oct 2016

Neural Measures Reveal Implicit Learning During Language Processing., Laura J Batterink, Larry Y Cheng, Ken A Paller

Brain and Mind Institute Researchers' Publications

Language input is highly variable; phonological, lexical, and syntactic features vary systematically across different speakers, geographic regions, and social contexts. Previous evidence shows that language users are sensitive to these contextual changes and that they can rapidly adapt to local regularities. For example, listeners quickly adjust to accented speech, facilitating comprehension. It has been proposed that this type of adaptation is a form of implicit learning. This study examined a similar type of adaptation, syntactic adaptation, to address two issues: (1) whether language comprehenders are sensitive to a subtle probabilistic contingency between an extraneous feature (font color) and syntactic structure …


Burnout Et Dépression, Entre Normal Et Pathologique? Histoire D’Une Différenciation Hasardeuse, Bianchi Renzo, Irvin Sam Schonfeld, Eric Laurent Oct 2016

Burnout Et Dépression, Entre Normal Et Pathologique? Histoire D’Une Différenciation Hasardeuse, Bianchi Renzo, Irvin Sam Schonfeld, Eric Laurent

Publications and Research

Initial described in the 1970s, the burnout syndrome has been difficult to characterize. It has been difficult to distinguish it from both clinical and subclinical depressive syndromes. In this chapter, we present a logical analysis of the distinction between burnout and depression. We synthesize the results of studies that bear on that distinction. We find that methodological and the historical separation of two lines of research as well as the lack of articulation between dimensional and categorical approaches to psychopathology.


Syrian Refugee Women In Jordan: Family Planning Preferences And Barriers In A Host Community, Hilary Smith Oct 2016

Syrian Refugee Women In Jordan: Family Planning Preferences And Barriers In A Host Community, Hilary Smith

Independent Study Project (ISP) Collection

The aims of this pilot study were to research and analyze the availability of birth control and family planning resources among Syrian refugee women at a reproductive age. This study took place in the host community of Karak, Jordan. Syrian women are a vulnerable population based solely on their gender. But being refugee women makes them more vulnerable and sometimes, their needs do not get met. This study is important because it will look into reproductive health aspects for this vulnerable population to ensure that there is satisfaction among women about their own health. This cross-sectional study sought to answer …


Nit Nitay Garabame: Analyzing Mental Illness And Art Therapy Within Dakar’S Atelier D’Ex-Pression Artistique, Alaina Orr Oct 2016

Nit Nitay Garabame: Analyzing Mental Illness And Art Therapy Within Dakar’S Atelier D’Ex-Pression Artistique, Alaina Orr

Independent Study Project (ISP) Collection

As mental health issues are usually given low priority in countries of sub-Saharan Africa, including Senegal, mental illness continues to be an emerging topic of discourse (Rand 2015). In Dakar, the practice of art therapy has been used for decades to provide those living with mental illness or going through trauma with a method for selfexpression when words fail to articulate their situations or mental states. Situated within Hôpital Fann’s psychiatric hospital, Clinique Moussa Diop, is an art therapy workshop known as l’Atelier d’EX-PRESSION Artistique1, which provides the space, structure, and material for persons with mental illness to work with …


A Pilot Study Of Comparison Gesture Analysis In Motion Driven Video Games, Fabrizio Valerio Covone, Brian Vaughan, Charlie Cullen Oct 2016

A Pilot Study Of Comparison Gesture Analysis In Motion Driven Video Games, Fabrizio Valerio Covone, Brian Vaughan, Charlie Cullen

Conference Papers

This study investigates whether there are significant differences in the gestures made by gamers and non-gamers whilst playing commercial games that employ gesture inputs. Specifically, the study focuses on testing a prototype of multimodal capture tool that we used to obtain real-time audio, video and skeletal gesture data. Additionally, we developed an experimental design framework for the acquisition of spatio-temporal gesture data and analysed the vector magnitude of a gesture to compare the relative displacement of each participant whilst playing a game.


Corned Beef And Karma: A Story About My Volunteering (Reluctantly) To Review For A Journal, Irvin Sam Schonfeld Oct 2016

Corned Beef And Karma: A Story About My Volunteering (Reluctantly) To Review For A Journal, Irvin Sam Schonfeld

Publications and Research

No abstract provided.


New Measures To Capture End Of Life Concerns In Huntington Disease: Meaning And Purpose And Concern With Death And Dying From Hdqlife (A Patient-Reported Outcomes Measurement System)., N E Carlozzi, N R Downing, M K Mccormack, S G Schilling, J S Perlmutter, E A Hahn, J S Lai, S Frank, K A Quaid, J S Paulsen, D Cella, S M Goodnight, J A Miner, M A Nance Oct 2016

New Measures To Capture End Of Life Concerns In Huntington Disease: Meaning And Purpose And Concern With Death And Dying From Hdqlife (A Patient-Reported Outcomes Measurement System)., N E Carlozzi, N R Downing, M K Mccormack, S G Schilling, J S Perlmutter, E A Hahn, J S Lai, S Frank, K A Quaid, J S Paulsen, D Cella, S M Goodnight, J A Miner, M A Nance

Rowan-Virtua School of Osteopathic Medicine Faculty Scholarship

PURPOSE: Huntington disease (HD) is an incurable terminal disease. Thus, end of life (EOL) concerns are common in these individuals. A quantitative measure of EOL concerns in HD would enable a better understanding of how these concerns impact health-related quality of life. Therefore, we developed new measures of EOL for use in HD.

METHODS: An EOL item pool of 45 items was field tested in 507 individuals with prodromal or manifest HD. Exploratory and confirmatory factor analyses (EFA and CFA, respectively) were conducted to establish unidimensional item pools. Item response theory (IRT) and differential item functioning analyses were applied to …


“Always A Double-Edged Sword”: How Women And Health Care Providers Navigate Issues Of Contraception In Differing Senegalese Communities, Angelina Strohbach Oct 2016

“Always A Double-Edged Sword”: How Women And Health Care Providers Navigate Issues Of Contraception In Differing Senegalese Communities, Angelina Strohbach

Independent Study Project (ISP) Collection

This paper examines how women and health care providers in two distinct Senegalese settings—Dakar and Mouit, a village located within the Gandiol region-- navigate contraception as both a social and medical good. Contraception is an invaluable tool in terms of advancing women’s right to reproductive health, but major discrepancies in its usage exist across a variety of social lines in Senegal, including level of education, marital status, occupation, age, and living in a rural versus urban setting. What socially constructed thought processes and lived experiences contribute to these discrepancies? In a cultural context heavily based upon tradition and Islamic faith, …


Dealing With Migratory Trauma: Mental Health Stressors And Coping Mechanisms Among Sub-Saharan Migrants In Rabat, Morocco, Dominique Defreece Oct 2016

Dealing With Migratory Trauma: Mental Health Stressors And Coping Mechanisms Among Sub-Saharan Migrants In Rabat, Morocco, Dominique Defreece

Independent Study Project (ISP) Collection

Interviews, surveys, and participant observation was used to study the mental health of Sub-Saharan migrants residing in Rabat, Morocco. These data collection methods were used to explore the various experiences migrants had pre-migration, during their migration journey, and post-migration. The migrants portrayed many negative, traumatic, and painful experiences. These experiences have caused a significant amount of pressure on the mental psyche of the migrants, manifesting itself in many physical and psychological problems. One common problem was a sense of disillusionment or lack of control over their bodies and situations. However, many of them do not seek the help of mental …


Probing The Nature Of Deficits In The ‘Approximate Number System’ In Children With Persistent Developmental Dyscalculia, S Bugden, Daniel Ansari Sep 2016

Probing The Nature Of Deficits In The ‘Approximate Number System’ In Children With Persistent Developmental Dyscalculia, S Bugden, Daniel Ansari

Brain and Mind Institute Researchers' Publications

In the present study we examined whether children with Developmental Dyscalculia (DD) exhibit a deficit in the so-called 'Approximate Number System' (ANS). To do so, we examined a group of elementary school children who demonstrated persistent low math achievement over 4 years and compared them to typically developing (TD), aged-matched controls. The integrity of the ANS was measured using the Panamath (www.panamath.org) non-symbolic numerical discrimination test. Children with DD demonstrated imprecise ANS acuity indexed by larger Weber fraction (w) compared to TD controls. Given recent findings showing that non-symbolic numerical discrimination is affected by visual parameters, we went further and …


The Implementation Of Alternative Pain Control Methods By Dental Hygienists, Alejandra Valadez Rodriguez Sep 2016

The Implementation Of Alternative Pain Control Methods By Dental Hygienists, Alejandra Valadez Rodriguez

Mahurin Honors College Capstone Experience/Thesis Projects

As a dental hygienist, it is important to understand new concepts and techniques that can contribute to a more comfortable setting for patients who experience dental anxiety. Alternative pain control methods can assist in alleviating patient anxiety, therefore, providing a more efficient and relaxed clinical atmosphere for both patient and clinician. Some of the methods discussed are: guided imagery, deep breathing, muscle relaxation, hypnosis, acupressure, essential oil diffusion, audio distraction, and visual stimuli. After reviewing the literature the researcher found that dental anxiety affects patient compliance, their overall health, and willingness to attend regular dental visits. The purpose of this …


A Quantitative Comparison Of The Hemispheric, Areal, And Laminar Origins Of Sensory And Motor Cortical Projections To The Superior Colliculus Of The Cat., Blake E Butler, Nicole Chabot, Stephen G Lomber Sep 2016

A Quantitative Comparison Of The Hemispheric, Areal, And Laminar Origins Of Sensory And Motor Cortical Projections To The Superior Colliculus Of The Cat., Blake E Butler, Nicole Chabot, Stephen G Lomber

Brain and Mind Institute Researchers' Publications

The superior colliculus (SC) is a midbrain structure central to orienting behaviors. The organization of descending projections from sensory cortices to the SC has garnered much attention; however, rarely have projections from multiple modalities been quantified and contrasted, allowing for meaningful conclusions within a single species. Here, we examine corticotectal projections from visual, auditory, somatosensory, motor, and limbic cortices via retrograde pathway tracers injected throughout the superficial and deep layers of the cat SC. As anticipated, the majority of cortical inputs to the SC originate in the visual cortex. In fact, each field implicated in visual orienting behavior makes a …


Gender Role Identification, Sexual Orientation, And Disordered Eating In Young Adults, Natalie Perkins Aug 2016

Gender Role Identification, Sexual Orientation, And Disordered Eating In Young Adults, Natalie Perkins

Mahurin Honors College Capstone Experience/Thesis Projects

Young adults are at a significantly high risk for eating disorders. Existing research is lacking in what factors can contribute to this disorder; however, there is some that suggests that self-identification with masculine and feminine gender roles can contribute to an individual’s risk for disordered eating. Research investigating disordered eating in sexual minorities is particularly slim. The current study sought to examine the relationship between gender role identification, sexual orientation, and disordered eating, as well as the roles that anxiety and depression have in disordered eating development. In our sample (n = 437, 73.6% female, 76.7% white, 87.6% heterosexual), participants …


Statistical Learning In Specific Language Impairment And Autism Spectrum Disorder: A Meta-Analysis, Rita Obeid, Patricia J. Brooks, Kasey L. Powers, Kristen Gillespie-Lynch, Jarrad A. G. Lum Aug 2016

Statistical Learning In Specific Language Impairment And Autism Spectrum Disorder: A Meta-Analysis, Rita Obeid, Patricia J. Brooks, Kasey L. Powers, Kristen Gillespie-Lynch, Jarrad A. G. Lum

Publications and Research

Impairments in statistical learning might be a common deficit among individuals with Specific Language Impairment (SLI) and Autism Spectrum Disorder (ASD). Using metaanalysis, we examined statistical learning in SLI (14 studies, 15 comparisons) and ASD (13 studies, 20 comparisons) to evaluate this hypothesis. Effect sizes were examined as a function of diagnosis across multiple statistical learning tasks (Serial Reaction Time, Contextual Cueing, Artificial Grammar Learning, Speech Stream, Observational Learning, and Probabilistic Classification). Individuals with SLI showed deficits in statistical learning relative to age-matched controls. In contrast, statistical learning was intact in individuals with ASD relative to controls. Effect sizes did …


Neurophysiological Evidence That Perceptions Of Fluency Produce Mere Exposure Effects, Richard Addante, P. Andrew Leynes Aug 2016

Neurophysiological Evidence That Perceptions Of Fluency Produce Mere Exposure Effects, Richard Addante, P. Andrew Leynes

Psychology Faculty Publications

Recent exposure to people or objects increases liking ratings, the "mere exposure effect" (Zajonc in American Psychologist, 35, 117-123, 1968), and an increase in processing fluency has been identified as a potential mechanism for producing this effect. This fluency hypothesis was directly tested by altering the trial-by-trial image clarity (i.e., fluency) while Event-Related Potentials (ERPs) were recorded. In Experiment 1, clarity was altered across two trial blocks that each had homogenous trial-by-trial clarity, whereas clarity varied randomly across trials in Experiment 2. Blocking or randomizing image clarity across trials was expected to produce different levels of relative fluency and alter …