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Honors Senior Capstone Portfolio, Karen Hildebrand May 2020

Honors Senior Capstone Portfolio, Karen Hildebrand

Undergraduate Theses and Capstone Projects

Honors Senior Capstone Portfolio submitted in partial fulfillment of the requirements for Psych H428 Seminar Capstone Course in Psychology.


Regional Differences In Wild North American River Otter (Lontra Canadensis) Behavior And Communication, Sarah Walkley May 2020

Regional Differences In Wild North American River Otter (Lontra Canadensis) Behavior And Communication, Sarah Walkley

Dissertations

This study focuses on the vocalization repertoires of wild North American river otters (Lontra canadensis) in New York and California. Although they are the same species, these two established populations of river otters are separated by a significant distance and are distinct from one another. River otters are semi-aquatic social predators that can be found throughout North America. This is the first study to examine the vocalizations of wild river otters, and results are compared across field sites in the different regions. River otter vocalizations and behaviors in New York were recorded using Bushnell Aggressor trail cameras that …


Agonistic Grooming In Multiple Lemur Species, Jennie L. Christopher May 2020

Agonistic Grooming In Multiple Lemur Species, Jennie L. Christopher

Dissertations

Social behaviors are represented in every animal species regardless of the level of sociability found in the species. At the very least, conspecifics must interact for the continuation of the species. Depending on species, social behavior could merely consist of mating and territorial disputes, it could consist of a multitude of social behaviors that provide a way of navigating a complex societal structure, or it could consist of any level of interaction between those extremes. However, the behaviors that make up these social repertoires are not universal across species. They could differ in either the form or function of the …


Interactive Effect Of Maternal Activation And Disc-1 Knockout On Pup Preference Of Postpartum Rats, Barbara Bueno Apr 2020

Interactive Effect Of Maternal Activation And Disc-1 Knockout On Pup Preference Of Postpartum Rats, Barbara Bueno

UCARE: Research Products

The main purpose of the study was to find a three-way interaction between genotype, treatment and interacted subjects. Interestingly, and not expected, the KO*MIA rats spent more time with the pups compared to time spent with the male rat. This unexpected results from this study are evidence that there is a complex spectrum of behavioral symptoms due to genetics, environment and their interactive effect (Schwartzer et aI., 2013). For that reason, the interaction between genetics (DISCI) and environment (MIA) might be more complex than what is believed.


Paraphilias: A Survey Of Experts, Cecilia Allan Apr 2020

Paraphilias: A Survey Of Experts, Cecilia Allan

Student Theses

There is limited research examining the processes utilized when making diagnoses in sexual offender civil commitment (SVP) evaluations. The purpose of this research was to examine mental health professionals’ (MHPs) opinions towards, and use of, paraphilic diagnoses in SVP evaluations. In particular, other-specified (OS) paraphilic diagnoses of hebephilia and nonconsent were examined. Results indicate a lack of understanding among MHPs regarding how to recognize and apply OS paraphilic diagnoses. Findings also provide insight into how and why MHPs choose to diagnose OS paraphilias, demonstrating a high level of reliance on documentation. Results indicate the existence of an adversarial allegiance among …


A Sociotechnical Systems Approach Toward Tailored Design For Personal Health Information Management, Nicole E. Werner, Michelle Tong, Dan Nathan-Roberts, Catherine Smith, Ross Tredinnick, Kevin Ponto, Marijke Melles, Peter Hoonakker Apr 2020

A Sociotechnical Systems Approach Toward Tailored Design For Personal Health Information Management, Nicole E. Werner, Michelle Tong, Dan Nathan-Roberts, Catherine Smith, Ross Tredinnick, Kevin Ponto, Marijke Melles, Peter Hoonakker

Patient Experience Journal

We used a sociotechnical systems approach—which conceptualizes a system of interacting people, technologies, and tasks, to identify individual differences in personal health information management (PHIM) that can inform the design of patient-friendly environments, tools, and technologies. We conducted a secondary thematic analysis of data collected as part of a parent project, vizHOME. The goal of vizHOME was to improve health and health outcomes through identifying key features in the environment that will inform the design of consumer health information technology HIT. We analyzed interview data collected from 20 individuals with diabetes. We found seven dimensions of PHIM: (1) level of …


Up-Regulation Of Sexual Desire In Long-Term Relationships: Self-Report And Electrophysiological Data, Lauri L. Davis Apr 2020

Up-Regulation Of Sexual Desire In Long-Term Relationships: Self-Report And Electrophysiological Data, Lauri L. Davis

Theses

Diminished sexual desire is a common in long-term relationships yet little research has examined strategies to promote sexual desire within healthy intact couples. This study focused on three regulation strategies: 1) positive reappraisal of the partner, 2) reappraisal of sexual desire decline, and 3) sexual imagery. These regulation strategies were used to test for an increase in sexual desire, infatuation, attachment, and relationship satisfaction for the partner. We additionally examined whether these strategies increased motivated attention to the partner as indicated by the late positive potential (LPP), an event-related potential (ERP) component. Participants (N=25, age=18-32 yrs, 6 men) …


Manipulation Of Human Behavior By Sexually Transmitted Organisms: Sto Infection Status As A Predictor Of Later Sexual Behavior, Ruth Sarafin Apr 2020

Manipulation Of Human Behavior By Sexually Transmitted Organisms: Sto Infection Status As A Predictor Of Later Sexual Behavior, Ruth Sarafin

Psychology ETDs

Research into the epidemiology of sexually transmitted organisms has found a strong relationship between number of sexual partners and likelihood of infection; STO interventions have therefore focused on reducing number of sexual partners. However, this work assumes that multiple partnerships cause infection, when there is reason to believe that infection causes an increase in short-term mating behavior as a means of increasing transmission opportunities. This dissertation tests STO infection status as a predictor in follow-up sexual behavior on data from the National Longitudinal Study from Adolescent to Adult Health (Add Health). Four dependent variables related to short-term mating were regressed …


Different Exercise Tendencies Modulate Behavioral And Molecular Changes To Opioid Or Exercise-Induced Reward, Amanda Titus Apr 2020

Different Exercise Tendencies Modulate Behavioral And Molecular Changes To Opioid Or Exercise-Induced Reward, Amanda Titus

Theses

Reward changes were observed in rodents with different exercise tendencies by utilizing the conditioned place preference paradigm. Adult male Wistar rats with distinct phenotypes (low volume runners, high volume runners, and wild-type) were given access to a running wheel or an injection of morphine as a rewarding stimulus. There was no difference observed in the strength of conditioned place preference between the rewarding stimuli. Extinction was significantly more effective in low volume runners than high volume runners and wild-type animals, as was observed in the lower percentage of time spent in their assigned conditioning chamber. These findings suggest that low …


The Use Of The Birth Control Movement As A Eugenics Weapon, 1920'S-1960'S, Peyton P. Holstein Apr 2020

The Use Of The Birth Control Movement As A Eugenics Weapon, 1920'S-1960'S, Peyton P. Holstein

Young Historians Conference

While Margaret Sanger made great strides in the crusade for legalization and open access to birth control for women, groups paired her work with ideologies such as Social Darwinism to arm the eugenics movement throughout the Twentieth-century. The eugenics movement was a culmination of racism and newly found scientific theories which led a crusade to purify the American population through reproductive cherry-picking on the basis of race. One of the primary ways that this group attempted to weed out “undesirable” races within the American population was through birth control as well as sterilization. These two movements - birth control and …


Incentive Sensitization For Exercise Reinforcement To Increase Exercise Behaviors, Kyle D. Flack, Harry M. Hays, Jack Moreland Apr 2020

Incentive Sensitization For Exercise Reinforcement To Increase Exercise Behaviors, Kyle D. Flack, Harry M. Hays, Jack Moreland

Dietetics and Human Nutrition Faculty Publications

Individuals can be sensitized to the reinforcing effects of exercise, although it is unknown if this process increases habitual exercise behavior. Sedentary men and women (body mass index: 25–35 kg/m2, N = 52) participated in a 12-week aerobic exercise intervention. Exercise reinforcement was determined by how much work was performed for exercise relative to a sedentary alternative in a progressive ratio schedule task. Habitual physical activity was assessed via accelerometry. Post-intervention increases in exercise reinforcement predicted increases in physical activity bouts among those who expended over 2000 kcal per week in exercise and who compensated for less than …


An Exploratory Study Of An Arts-Based Measure And Research Model That Examines The Relationship Between Attachment Style, Trauma, And The Use Of Adhesive Materials In Art Therapy, Lisa Furman Apr 2020

An Exploratory Study Of An Arts-Based Measure And Research Model That Examines The Relationship Between Attachment Style, Trauma, And The Use Of Adhesive Materials In Art Therapy, Lisa Furman

Counseling and Psychology Dissertations

Though the use of art materials (pencil, paint, clay) have been widely researched in art therapy, little has been written about the role of adhesives (glue, tape, staples) in the art making process. This exploratory, sequential mixed methods study examined the relationship between attachment style, trauma, and the use of adhesive materials in art therapy and serves as a model for arts-based research which combines the scientific rigor of quantitative inquiry with a rich narrative descriptive of qualitative data. This research was the first step in developing the Arts-based Attachment Style Assessment (ABASA), a newly created art-based diagnostic tool to …


Young Adults’ Perceptions Of Non-Gender Conformity Across Occupations, Emily K. Hayes, Orion Hanna Apr 2020

Young Adults’ Perceptions Of Non-Gender Conformity Across Occupations, Emily K. Hayes, Orion Hanna

Showcase of Undergraduate Research and Creative Endeavors (SOURCE)

The study examined young adults’ perceptions of a man, varying his appearance and labeling him with different occupations. Participants were 116 adults with a mean age of 19.90 (SD = 5.20). The majority were women (76%), Caucasian (53%), and heterosexual (71%). Participants were randomly assigned to one of four conditions: a picture of a man labeled as either a doctor or barista and the same man wearing make-up labeled as a doctor or barista. Participants rated how accurately a list of masculine and feminine traits matched the picture, and responded to scales to assess their need to belong, self-esteem, …


Impact Of Animal Programming On Human Attitudes Of Local Wildlife, Ashton Jerger Apr 2020

Impact Of Animal Programming On Human Attitudes Of Local Wildlife, Ashton Jerger

Undergraduate Honors Thesis Projects

Attitudes towards wildlife can have direct implications on peoples’ interest in conserving local habitats and their overall ecological choices. Attitudes are formed by multiple components of an individual’s life history. However, through interactive, educational experiences, there is a potential to change current attitudes. Animal programs are an example of interactive, educational experiences that provide individuals the opportunity to get up-close to animal ambassadors and participate in engaging conversations about them. An animal program assessment was conducted with the 2019 summer camps at the Ohio Wildlife Center to quantify the changes in peoples’ affiliation for local wildlife and their willingness to …


Cardiovascular Recovery From Emotional Stress: An Operationalization Of Equanamity Following Mindfulness-Based Emotional Stress, Emma Mcbride Apr 2020

Cardiovascular Recovery From Emotional Stress: An Operationalization Of Equanamity Following Mindfulness-Based Emotional Stress, Emma Mcbride

Theses and Dissertations

Theoretical models of mindfulness suggest that meditation may improve health, in part, by regulating stress physiology, including faster recovery of heart rate (HR) and blood pressure (SBP/DBP) after emotional stress. Furthermore, improved cardiovascular recovery (CR) may be a marker of equanimity, defined as increased acceptance of and reduced reactivity to stress. No studies have tested this hypothesis, partly because methodology for assessing CR remains controversial. Using a novel operationalization of equanimity and several methods of measuring CR, this project investigated whether (1) equanimity is associated with improved CR, (2) Mindfulness-Based Stress Reduction (MBSR) is associated with improved CR, and (3) …


Sedative And Neurotoxic Properties Of Brexanolone Compared To Midazolam In The Developing Rodent Brain, Jacob Huffman Apr 2020

Sedative And Neurotoxic Properties Of Brexanolone Compared To Midazolam In The Developing Rodent Brain, Jacob Huffman

Dissertations

The developing brain is susceptible to extensive neurotoxicity following exposure to sedative/anesthetic drugs (SADs). Every year hundreds of thousands of children around the world are exposed to SADs with no viable non-neurotoxic agents approved for clinical use. Allopregnanolone (AlloP) has well-established sedative effects in adults and neonates. AlloP and many SADs produce sedation/anesthesia through allosteric modulation of GABAA receptors, which is one of two principal mechanisms behind SAD-induced neurotoxicity. Evidence suggests AlloP has the unique capacity to regulate key apoptotic factors in adults and is widely involved with critical stages of neurodevelopment, indicating this neurosteroid might serve as a …


Greater Social Cohesion Is Associated With Lower Body Mass Index Among African American Adults, Adolfo G. Cuevas, Ichiro Kawachi, Kasim Ortiz, Mariam Pena, Lorraine R. Reitzel, Lorna H. Mcneill Apr 2020

Greater Social Cohesion Is Associated With Lower Body Mass Index Among African American Adults, Adolfo G. Cuevas, Ichiro Kawachi, Kasim Ortiz, Mariam Pena, Lorraine R. Reitzel, Lorna H. Mcneill

Publications and Research

Obesity remains a public health issue, especially for Blacks (or African Americans). Obesity is thought to reflect a complex interaction of socioenvironmental, biological, and cognitive factors. Yet, insufficient attention has been given to psychosocial factors like social cohesion within the African American community. Using multivariable linear regression, we examined the association between social cohesion, measured by the Social Cohesion and Trust scale, and body mass index (BMI) with cross-sectional data (n = 1467) from a cohort study (2008–2009). Greater social cohesion was associated with lower BMI (b = -0.88; 95% CI: −1.45, −0.32) in an unadjusted model. The association was …


The Vulnerability Of Chronic Stress: Implications For Feeling Like Giving Up, Miranda Jany Apr 2020

The Vulnerability Of Chronic Stress: Implications For Feeling Like Giving Up, Miranda Jany

Theses

The feeling of learned helplessness has been associated with prolonged stress and trauma. Additionally, many previous studies have examined the relationship between stress and decreased feelings of control, such as self-efficacy and locus of control. However, these forms of control have been primarily self-reported. The present study aimed to investigate the relationships among learned helplessness, chronic stressors, and self-agency using a computer-based task. We also measured heart rate variability (HRV) during the self-agency task to assess psychophysiological correlates of these variables. Seventy-four participants completed a series of questionnaires that were used to assess lifelong stressors (e.g., exposure to natural disasters, …


Influences Of Salvinorin A And Sex Differences On Depressive- And Anxiety-Like Behaviors In A Chronic Mild Stress Paradigm, Sarah Mitchell Apr 2020

Influences Of Salvinorin A And Sex Differences On Depressive- And Anxiety-Like Behaviors In A Chronic Mild Stress Paradigm, Sarah Mitchell

Theses

Kappa opioid receptors are colocalized with dopamine receptors and are frequently associated with depression, anxiety, stress, and drug use and abuse. KOR antagonism has widely been considered anti-depressive and anxiolytic in animal models while agonism is pro-depressive and anxiogenic. However, recent findings suggest that SalvA, a natural kappa agonist derived from a plant in the mint family, can reduce depressive- and anxiety-like behavior in rats. The current study investigated the effects of chronic mild stress on behavior, attenuation by SalvA, and sex differences. 52 Long-Evans rats, 26 males and 26 females, were exposed to six weeks of CMS. Animals received …


Mothers’ Social Contact As A Coping Strategy For Post-Disagreement Anger And Sadness, Abigail M. Fielding, Elizabeth R. Perrone Apr 2020

Mothers’ Social Contact As A Coping Strategy For Post-Disagreement Anger And Sadness, Abigail M. Fielding, Elizabeth R. Perrone

Psychology Student Scholarship

Elizabeth Perrone ’20
Major: Psychology, Neuroscience Certificate Program

Abigail Fielding ’20
Major: Psychology and Biology

Faculty Mentor: Dr. Kelly A. Warmuth, Psychology

The purpose of this study was to observe social contact as a coping mechanism for parents’ post-disagreement anger and sadness. Twenty-seven mother–father pairs completed a laboratory discussion followed by a short questionnaire. Consistent with the pattern of seeking emotional support, mothers who expressed higher levels of anger and sadness were more likely to use social contact as a coping strategy, while the same relationship was not found for fathers.


Creating Permanent And Temporary Inactivations In The Rat Posterior Parietal Cortex, Robert Vera, Carina Alessandro, Colin Call Apr 2020

Creating Permanent And Temporary Inactivations In The Rat Posterior Parietal Cortex, Robert Vera, Carina Alessandro, Colin Call

Psychology Student Scholarship

Robert Vera ’20
Major: Psychology

Carina Alessandro ’21
Major: Biology and Psychology

Colin Call ’22
Major: Psychology

Faculty Mentor: Dr. Victoria Templer, Psychology

Previous studies have examined the posterior parietal cortex (PPC) as a multimodal hub using permanent lesioning techniques. However, when attempting to lesion the PPC as a whole, researchers have generally only managed to lesion the dorsal portion of the PPC (dPPC) without lesioning the caudal portion (cPPC). This study aimed to refine and improve the methods for successful targeting and lesioning the entire PPC. In two pilot lesions, we successfully created permanent excitotoxic lesions to the entire …


Psychology 2e, Rose M. Spielman, William Jenkins, Marilyn Lovett Apr 2020

Psychology 2e, Rose M. Spielman, William Jenkins, Marilyn Lovett

Open Access Textbooks

Psychology 2e is designed to meet scope and sequence requirements for the single-semester introduction to psychology course. The book offers a comprehensive treatment of core concepts, grounded in both classic studies and current and emerging research. The text also includes coverage of the DSM-5 in examinations of psychological disorders. Psychology incorporates discussions that reflect the diversity within the discipline, as well as the diversity of cultures and communities across the globe.

The second edition contains detailed updates to address comments and suggestions from users. Significant improvements and additions were made in the areas of research currency, diversity and representation, and …


161— The Effects Of Environment On The Development Of Cocaine-Seeking, Gavin Vaughan, Akane Ichiki, Shreyya Malik, Allison R. Bechard Apr 2020

161— The Effects Of Environment On The Development Of Cocaine-Seeking, Gavin Vaughan, Akane Ichiki, Shreyya Malik, Allison R. Bechard

GREAT Day Posters

Cocaine addiction is a major individual and societal issue. This study aimed to investigate the environmental and social factors that influence the development of cocaine addiction. Mice were reared in either standard housing or enriched housing. Cocaine preference was measured using the Conditioned Place Preference paradigm, in which subjects are conditioned to associate an injection of cocaine (20mg/kg. I.P.) with a particular side of a 3 chambered arena. Subjects reared in enriched environments displayed increased preference for cocaine in cue primed tests. All subjects displayed cocaine preference in cocaine primed tests. This may be attributed to the enhanced memory that …


416— The Effects Of Early Life Trauma On Anxiety And Alcohol Use Is Modified By Environment, Katie Kompanijec, Keara Mullin, Gavin Vaughan, Melissa Herman, Allison Bechard Apr 2020

416— The Effects Of Early Life Trauma On Anxiety And Alcohol Use Is Modified By Environment, Katie Kompanijec, Keara Mullin, Gavin Vaughan, Melissa Herman, Allison Bechard

GREAT Day Posters

Early life trauma is a risk factor for later anxiety and alcohol use disorders. However, the role of the post-trauma environment on the development of such disorders is not well understood. In the present study we investigated experience-dependent changes in anxiety and alcohol use after exposure to early trauma. Young mice (day 23) were exposed to a predator odor (synthetic fox pheromone, TMT) and then reared in either standard (SE) or enriched environments (EE). Adolescent anxiety and conditioned fear were reduced in EE-males, but not EE-females. Adult mice were then tested for their preference to drink alcohol. Alcohol intake escalated …


130— Reducing Stereotypic Behavior With A Ketogenic Diet, Anna Beltramini, Andrew Guido, Alicia Bauers, Joe Spano Apr 2020

130— Reducing Stereotypic Behavior With A Ketogenic Diet, Anna Beltramini, Andrew Guido, Alicia Bauers, Joe Spano

GREAT Day Posters

Now a popular fad diet, the ketogenic diet (KD) is a high-fat, low-carb diet that for decades has been used for treatment of intractable epilepsy. Recent therapeutic applications of KD in animal models include treatment of dementia, obsessive-compulsive disorder, and autism. These disorders are associated with stereotypic behaviors (repetitive, invariant behaviors with no apparent function) that are life-impairing and stigmatizing. However, little is known about their underlying mechanisms and no effective pharmacological treatments are available. Here, we present a novel application of KD to reduce stereotypic behavior in an inbred strain of mice (FVBN/J) that displays a prominent repetitive circling …


159— The Effects Of Trauma On The Response To Cocaine, Gavin Vaughan, Melissa Herman, Katie Kompanijec, Maren Hogan, Annaclaire Modico, Keara Mullin, Allison R. Bechard Ph.D. Apr 2020

159— The Effects Of Trauma On The Response To Cocaine, Gavin Vaughan, Melissa Herman, Katie Kompanijec, Maren Hogan, Annaclaire Modico, Keara Mullin, Allison R. Bechard Ph.D.

GREAT Day Posters

Exposure to adverse events is a risk factor for substance use disorder. We modeled this in an inbred strain of mice by exposing adult males to a predator odor (a synthetic fox pheromone, TMT) and then assessing 1. Cocaine-induced locomotion, and 2. Conditioned place preference (CPP) of cocaine. TMT was an effective stressor as indicated by freezing behavior, an absence of movement that is an instinctive fear response in mice. Interestingly, in a 1-hour baseline locomotor test, TMT-exposed (TMT+) mice were more active than non-exposed (TMT-) mice. In addition, following a cocaine (10 mg/kg) injection (i.p.) TMT+ mice showed a …


Volume 12, Haleigh James, Hannah Meyls, Hope Irvin, Megan E. Hlavaty, Samara L. Gall, Austin J. Funk, Karyn Keane, Sarah Ghali, Antonio Harvey, Andrew Jones, Rachel Hazelwood, Madison Schmitz, Marija Venta, Haley Tebo, Jeremiah Gilmer, Bridget Dunn, Benjamin Sullivan, Mckenzie Johnson Apr 2020

Volume 12, Haleigh James, Hannah Meyls, Hope Irvin, Megan E. Hlavaty, Samara L. Gall, Austin J. Funk, Karyn Keane, Sarah Ghali, Antonio Harvey, Andrew Jones, Rachel Hazelwood, Madison Schmitz, Marija Venta, Haley Tebo, Jeremiah Gilmer, Bridget Dunn, Benjamin Sullivan, Mckenzie Johnson

Incite: The Journal of Undergraduate Scholarship

Introduction, Dr. Roger A. Byrne, Dean

From the Editor, Dr. Larissa "Kat" Tracy

From the Designers, Rachel English, Rachel Hanson

Immortality in the Mortal World: Otherworldly Intervention in "Lanval" and "The Wife of Bath's Tale" by Haleigh James

Analysis of Phenolic Compounds in Moroccan Olive Oils by HPLC by Hannah Meyls

Art by Hope Irvin

The Effects of Cell Phone Use on Gameplay Enjoyment and Frustration by Megan E. Hlavaty, Samara L. Gall, and Austin J. Funk

Care, No Matter What: Planned Parenthood's Use of Organizational Rhetoric to Expand its Reputation by Karyn Keane

Analysis of Petroleum Products for …


Smokers’ Reports On Receiving A Doctor’S Advice To Quit Smoking; Receiving The Advice Is More Prevalent Among Smokers With Crohn’S Disease Relative To Smokers With Ulcerative Colitis, Julia N. Soulakova, Le-Chu Su, Lisa J. Crockett Apr 2020

Smokers’ Reports On Receiving A Doctor’S Advice To Quit Smoking; Receiving The Advice Is More Prevalent Among Smokers With Crohn’S Disease Relative To Smokers With Ulcerative Colitis, Julia N. Soulakova, Le-Chu Su, Lisa J. Crockett

Department of Psychology: Faculty Publications

Receiving a doctor’s advice to quit smoking is an important predictor for improving smokers’ intentions to quit smoking and successful smoking cessation. We examined reports of smokers with Crohn’s Disease (CD) and Ulcerative Colitis (UC) regarding receiving a doctor’s advice to quit smoking in the past 12 months, and eval-uated the differences in the rates of receiving the advice between the CD and UC patients. The data were retrospectively reported by CD and UC patients (n = 453) who self-identified as current smokers in online assessments conducted by IBD Partners in the period from 2011 to 2014 in the USA. …


Caterpillars On A Phytochemical Landscape: The Case Of Alfalfa And The Melissa Blue Butterfly, Matthew L. Forister, Su'ad A. Yoon, Casey S. Philbin, Craig D. Dodson, Bret Hart, Joshua G. Harrison, Oren Shelef, James A. Fordyce, Zachary H. Marion, Chris C. Nice, Lora A. Richards, C. Alex Buerkle, Zach Gompert Apr 2020

Caterpillars On A Phytochemical Landscape: The Case Of Alfalfa And The Melissa Blue Butterfly, Matthew L. Forister, Su'ad A. Yoon, Casey S. Philbin, Craig D. Dodson, Bret Hart, Joshua G. Harrison, Oren Shelef, James A. Fordyce, Zachary H. Marion, Chris C. Nice, Lora A. Richards, C. Alex Buerkle, Zach Gompert

Biology Faculty Publications

Modern metabolomic approaches that generate more comprehensive phytochemical profiles than were previously available are providing new opportunities for understanding plant‐animal interactions. Specifically, we can characterize the phytochemical landscape by asking how a larger number of individual compounds affect herbivores and how compounds covary among plants. Here we use the recent colonization of alfalfa (Medicago sativa) by the Melissa blue butterfly (Lycaeides melissa) to investigate the effects of indivdiual compounds and suites of covarying phytochemicals on caterpillar performance. We find that survival, development time, and adult weight are all associated with variation in nutrition and toxicity, including …


Meaning In The Noise: Neural Signal Variability In Major Depressive Disorder, Sally M. Pessin Apr 2020

Meaning In The Noise: Neural Signal Variability In Major Depressive Disorder, Sally M. Pessin

Theses

Clinical research has revealed aberrant activity and connectivity in default mode (DMN), frontoparietal (FPN), and salience (SN) network regions in major depressive disorder (MDD). Recent functional magnetic resonance imaging (fMRI) studies suggest that variability in brain activity, or blood oxygen level-dependent (BOLD) signal variability, may be an important novel predictor of psychopathology. However, to our knowledge, no studies have yet determined the relationship between resting-state BOLD signal variability and MDD nor applied BOLD signal variability features to the classification of MDD history using machine learning (ML). Thus, the current study had three aims: (i) to investigate the differences …