Nmda Receptor Blockade Specifically Impedes The Acquisition Of Incentive Salience Attribution, 2018 University of Kentucky
Nmda Receptor Blockade Specifically Impedes The Acquisition Of Incentive Salience Attribution, Jonathan J. Chow, Joshua S. Beckmann
Psychology Faculty Publications
Glutamatergic signaling plays an important role in learning and memory. Using Pavlovian conditioned approach procedures, the mechanisms that drive stimulus-reward learning and memory have been investigated. However, there are instances where reward-predictive stimuli can function beyond being solely predictive and can be attributed with “motivational value” or incentive salience. Using a Pavlovian conditioned approach procedure consisting of two different but equally predictive stimuli (lever vs. tone) we investigated the role NMDA receptor function has in the attribution of incentive salience. The results revealed that the administration of MK-801, an NMDA receptor antagonist, during acquisition of Pavlovian conditioned approach promoted goal-tracking …
Finding Meaning At Work: The Role Of Inspiring And Funny Youtube Videos On Work-Related Well-Being, 2018 Chapman University
Finding Meaning At Work: The Role Of Inspiring And Funny Youtube Videos On Work-Related Well-Being, Sophie Janicke-Bowles, Diana Rieger, Winston Connor Iii
Communication Faculty Articles and Research
Watching online videos on social media is a common activity in today’s digital age, but its’ impact on employee well-being at work has not been investigated yet. The current study tried to fill this gap by investigating the role hedonic and eudaimonic online videos play on employee’s stress levels and well-being at work. An online experiment with 200 full time employees in the US was conducted exploring the role of inspiring affect and positive affect on three distinct well-being outcomes: subjective well-being, psychological well-being and social well-being at the workplace. A path model suggests unique effects for inspiring videos on …
Visual Scanning Of Males And Females In Infancy, 2018 University of Kentucky
Visual Scanning Of Males And Females In Infancy, Hannah B. White, Alyson J. Hock, Rachel L. Jubran, Alison Heck, Ramesh S. Bhatt
Psychology Faculty Publications
This study addressed the development of attention to information that is socially relevant to adults by examining infants' (n = 64) scanning patterns of male and female bodies. Infants exhibited systematic attention to regions associated with sex-related scanning by adults, with 3.5-and 6.5-month-olds looking longer at the torso of females than males and longer at the legs of males than females. However, this pattern of looking was not found when infants were tested on headless bodies in Experiment 2, which suggests that infants' differential gaze pattern in Experiment 1 was not due to low-level stimulus features, such as clothing, and …
Social Influences On Songbird Behavior: From Song Learning To Motion Coordination, 2018 The Graduate Center, City University of New York
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 …
Equine Assisted Psychotherapy: A Transformational Path To Emotional Wellness For U.S. Military Veterans, 2018 Brandman University
Equine Assisted Psychotherapy: A Transformational Path To Emotional Wellness For U.S. Military Veterans, Cathy Powalski
Dissertations
Purpose. The purpose of this qualitative multiple case study was to explore and describe the impact of Equine Assisted Psychotherapy (EAP) on the reintegration of wounded veterans into civilian life as perceived by wounded U.S. military veterans participating in EAP.
Methodology. A qualitative multiple case study methodology was appropriate for this research due to its focus on analyzing a single entity (EAP) possessing unique characteristics within a system bound by participants (wounded U.S. military veterans as defined by this study), time (2015-2017), and/or place (California or Virginia) through events.
Findings. The 13 U.S. military veterans who participated in this study …
A Social Identity Threat To Merit: The Effects Of Similar Experience On Empathic Concern, 2018 University of Vermont
A Social Identity Threat To Merit: The Effects Of Similar Experience On Empathic Concern, Asia Mccleary-Gaddy
Graduate College Dissertations and Theses
Past research indicates that having a similar life experience as another person leads to greater empathic concern towards that person. Two studies empirically investigated if similar experiences of race-based social identity threat can increase the empathic concern of White Americans toward African Americans. Study 1 revealed that White Americans randomly assigned to think about White privilege and then randomly assigned to read a passage about an African American whose accomplishments are attributed to Affirmative Action policies (versus an African American whose accomplishments are attributed to his hard work and merit) felt greater empathic concern toward the African American described in …
Examining The Roles Of Sex, Methamphetamine, And Degree Of Training In Habit Formation In Rats, 2018 University of Vermont
Examining The Roles Of Sex, Methamphetamine, And Degree Of Training In Habit Formation In Rats, Hannah Schoenberg
Graduate College Dissertations and Theses
Addiction is characterized by a progressive loss of executive control over drug-seeking and consumption, and may be associated with a behavioral shift from instrumental goal-directed actions to stimulus-response habits. Sex differences in drug addiction have been linked to changing hormone levels across the estrous cycle, and females exhibit a particular vulnerability to psychostimulants such as cocaine and amphetamines. Psychostimulants and estrogen both influence dopaminergic activity in the dorsal striatum, a region of the brain in which dopamine activity is thought to mediate the shift from action to habit. In the present set of experiments, we examined the roles of sex, …
The Punitive Effect Of Electric Shock In Rats In Relation To The Rate Of Food Reinforcement, 2018 West Virginia University
The Punitive Effect Of Electric Shock In Rats In Relation To The Rate Of Food Reinforcement, Vincent A. Bello
Capstones and Honors Theses
The purpose of the present experiment was to examine effects of the rate of reinforcement on the punitive function of shock for 4 rats. In baseline conditions, rats’ lever presses were reinforced with food according to a VI schedule. During punishment conditions, a VR-5 schedule of shock punishment was superimposed on the VI schedule. Across pairs of baseline and punishment conditions, the rate of reinforcement ranged from 0.5 to 6 food deliveries per min. Response rates during the baseline and punishment conditions generally increased as the reinforcement rate was raised for two out of four rats. For three rats, suppression …
Effects Of Social Interaction On Morphine Conditioned Place Preference In Adolescent Male Rats, 2018 University of Kentucky
Effects Of Social Interaction On Morphine Conditioned Place Preference In Adolescent Male Rats, Virginia G. Weiss
Theses and Dissertations--Psychology
The fact that adolescents commonly initiate drug use in social settings is well established. Both clinical and preclinical research has investigated how social interaction is altered by a variety of drugs of abuse. What is less understood is how the rewarding value of drugs of abuse is affected by the presence of social peers. This dissertation aimed to investigate the interaction of morphine and social play on conditioned place preference (CPP) in adolescent male Sprague Dawley rats, using both behavioral and immunohistochemistry (IHC) methods. Rats were exposed to morphine (0, 1, or 3 mg/kg; s.c.), social interaction, or a combination …
Time Delay And Investment Decisions: Evidence From An Experiment In Tanzania, 2018 State University of New York (at Binghamton)
Time Delay And Investment Decisions: Evidence From An Experiment In Tanzania, Plamen Nikolov
Economics Faculty Scholarship
Attitudes toward risk underlie virtually every important economic decision an individual makes. In this experimental study, I examine how introducing a time delay into the execution of an investment plan influences individuals’ risk preferences. The field experiment proceeded in three stages: a decision stage, an execution stage and a payout stage. At the outset, in the Decision Stage (Stage 1), each subject was asked to make an investment plan by splitting a monetary investment amount between a risky asset and a safe asset. Subjects were informed that the investment plans they made in the Decision Stage are binding and will …
Symmetry Identified In 2-Dimensional Artwork Compositions Using Visuospatial Ability, 2018 University of Denver
Symmetry Identified In 2-Dimensional Artwork Compositions Using Visuospatial Ability, Theresa Ferg
Electronic Theses and Dissertations
At the John Langdon Down Foundation A.C. in the La Escuela Mexicana de Arte Down school in Mexico City D.F., Mexico, art students with Trisomy 21 display the use of a mathematical construct in the painting compositions of their artworks. The mathematical construct is a type of symmetry and it carries a positive affect. This is important because there have been no studies that have investigated the use of the symmetry in the artwork compositions of persons with Down syndrome. The geometric construction of the artwork compositions follows the artistic principle of the Rule of Three and the division of …
Binocular Rivalry Of Emotional Expressions, 2018 University of Denver
Binocular Rivalry Of Emotional Expressions, Daniel Stephen Lumian
Electronic Theses and Dissertations
A central debate in defining emotional space is whether emotions are organized categorically (e.g., fear, happy, disgust) or continuously (i.e., along the independent dimensions of valence and arousal). Emotional facial expressions are one tool often leveraged in trying to define emotional space. Faces are rich sources of social and emotional information. Faces, like emotions, can be organized in either categorical (e.g., happy, sad) or continuous (e.g., open-closed) ways. Therefore, understanding the relatedness of emotional facial expressions to each other may shed light on the underlying structure of emotions. Binocular rivalry (BR) is a tool which can be leveraged to measure …
Is Pecking Aversive To A Pigeon Or Is It Only The Delay To Reinforcement?, 2018 University of Kentucky
Is Pecking Aversive To A Pigeon Or Is It Only The Delay To Reinforcement?, Danielle M. Andrews
Theses and Dissertations--Psychology
The principle of least effort suggests that animals should minimize effort to reinforcement. Thus, not pecking should be preferred over pecking. However, pigeons often peck when it is allowed but not required (e.g., fixed time schedules) but pecking may be adventitiously reinforced. In the present experiment, to better compare a schedule of reinforcement that requires pecking with one that requires the absence of pecking, we compared a fixed-interval (FI) schedule in which reinforcement follows the first peck after the interval has elapsed and a differential-reinforcement-of-other behavior (DRO) schedule which requires pigeons abstain from pecking for a similar interval. The delay …
Delay Discounting And Cannabinoid Enzyme Inhibitors, 2018 West Virginia University
Delay Discounting And Cannabinoid Enzyme Inhibitors, Devin Andrew Galdieri
Graduate Theses, Dissertations, and Problem Reports
Delay discounting is a measure of impulsive choice that is correlated with maladaptive behavior and psychological disorders. Disruptions to serotonin and dopamine pathways can cause changes in delay discounting, as can lesions to the prefrontal cortex and nucleus accumbens. The endocannabinoid system modulates other neurotransmitter systems, including dopamine and serotonin pathways. Cannabinoid receptors type 1 are found in relatively high concentrations in the nucleus accumbens and the prefrontal cortex. These receptors are activated by endogenous cannabinoids, which are synthesized on demand and broken down by catabolic enzymes. The action of these enzymes can be inhibited by a class of drugs …
Exercise As A Therapeutic For Hiv-1-Associated Neurocognitive Deficits, 2018 University of South Carolina
Exercise As A Therapeutic For Hiv-1-Associated Neurocognitive Deficits, Michael N. Cranston
Theses and Dissertations
Human Immunodeficiency Virus (HIV-1) afflicts nearly 38 million individuals worldwide (Joseph et al., 2013; “WHO | HIV/AIDS,” 2016). Despite the reduction in disease mortality due to increased use of antiretroviral medication, HIV-1 associated neurocognitive disorder (HAND) affects approximately 50% of HIV infected individuals (Antinori et al., 2007; Castellon, Hinkin, Wood, & Yarema, 1998; Castelo, Sherman, Courtney, Melrose, & Stern, 2006; Cysique & Brew, 2009; Heaton et al., 2011, 2015). The brain itself is particularly sensitive to HIV-1 related viral proteins and viral infection (Masliah, DeTeresa, Mallory, & Hansen, 2000), thus, it is vital to empirically examine potentially effective therapeutics which …
Attrition In Behavioral Parent Training Programs In Clinical And Community Settings: A Meta-Analytic Review, 2018 University of North Florida
Attrition In Behavioral Parent Training Programs In Clinical And Community Settings: A Meta-Analytic Review, Brett C. Michael
UNF Graduate Theses and Dissertations
Abstract
It is estimated that approximately 16-20% of youth will develop a diagnosable behavior disorder. Behavioral parent training is a valuable approach to address disruptive behaviors by teaching parents how to effectively manage their child’s challenging behavior with non-physical disciplinary techniques. While these programs are generally effective, attrition rates have been found to be as high as 60% in some cases. This review provides information about the characteristics commonly associated with these programs, the attrition rates of each program, and the general effectiveness of the programs. Meta-analytic procedures were implemented to identify contributing factors leading to withdrawal from intervention.
Keywords: …
Confidence In Academic Testing: The Effect Of Induced Checking And Anxiety On University Students' Emotional Responses To, And Performance In, Academic Challenge, 2018 Central Washington University
Confidence In Academic Testing: The Effect Of Induced Checking And Anxiety On University Students' Emotional Responses To, And Performance In, Academic Challenge, Elijah Bruner
All Master's Theses
Academic tests such as the American College Testing (ACT), Scholastic Aptitude Test (SAT), and National Assessment for Educational Progress (NAEP) have been used to assess academic aptitude. Research suggests that both test anxiety and test emotions (positive and negative) influence academic performance. The purpose of this study was to investigate the effects of test anxiety and uncertainty (i.e., re-checking items) on performance and test emotions. It was hypothesized that induced checking and participant anxiety would negatively predict performance and positive testing emotions, and positively predict negative testing emotions. It was also hypothesized that induced checking and anxiety would interact, with …
Effects Of Learned Exercises On Gross Motor Coordination In Children With Asd, 2018 Claremont Colleges
Effects Of Learned Exercises On Gross Motor Coordination In Children With Asd, Garrett Myers
CMC Senior Theses
The effectiveness of a teaching progression to teach three “Olympic” exercises and improve gross motor coordination was evaluated with four children (3 boys, 1 girl) diagnosed with autism spectrum disorder (ASD). A multiple baseline design across children and within children across activities was used to evaluate the effectiveness of the teaching progression used to teach the physical exercise program, which consisted of three “Olympic” events (long jump, 50 foot dash, and a relay race). Results showed all four participants learned the three “Olympic” exercises, with all four participants mastering at least one of the three exercises. Two participants mastered all …
Effects Of Delay And Signals On Choice Between Delayed Food Alone And Immediate Food With Delayed Shock, 2018 West Virginia University
Effects Of Delay And Signals On Choice Between Delayed Food Alone And Immediate Food With Delayed Shock, Forrest James Toegel
Graduate Theses, Dissertations, and Problem Reports
Much of the research in the area of self-control has examined choice between small immediate reinforcers and large delayed reinforcers, but many problems result from situations in which a single choice produces consequences of conflicting valence: Those in which the immediate outcome is reinforcing and the delayed outcome is aversive. Recent research has evaluated how preference for a large reinforcer which is followed by a delayed shock changes as a function of the delay to shock and how the intensity and duration of delayed shock affects the value of a large reinforcer. The present set of experiments investigated how the …
Advancing Understanding Of Dynamic Mechanisms In Onset To Event Models: Discrete Time Survival Mediation With A Time Variant Mediator, 2018 University of South Carolina
Advancing Understanding Of Dynamic Mechanisms In Onset To Event Models: Discrete Time Survival Mediation With A Time Variant Mediator, Heather Lasky Mcdaniel
Theses and Dissertations
Integrating discrete time survival and mediation analytic approaches, discretetime survival mediation models (DTSM) help researchers elucidate the impact of predictors on the timing of event occurrence. Though application of this model has been gainful in various applied developmental and intervention research contexts, empirical work has yet to consider how DTSM models operate with a mediator that has a varying effect over time. The importance of examining this situation has important impacts for application of the model, given more complex statistical models are required, and subsequent interpretation of model parameters differ from the basic DTSM model. The overarching purpose of this …