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In Vivo Neurophysiological Recordings From Geniculate Ganglia: Taste Response Properties Of Individual Greater Superficial Petrosal And Chorda Tympani Neurones, Suzanne I. Sollars, David L. Hill

Psychology Faculty Publications

Coding of gustatory information is complex and unique among sensory systems; information is received by multiple receptor populations located throughout the oral cavity and carried to a single central relay by four separate nerves. The geniculate ganglion is the location of the somata of two of these nerves, the greater superficial petrosal (GSP) and the chorda tympani (CT). The GSP innervates taste buds on the palate and the CT innervates taste buds on the anterior tongue. To obtain requisite taste response profiles of GSP neurones, we recorded neurophysiological responses to taste stimuli of individual geniculate ganglion neurones in vivo in …

Altruism In The Context Of Door-Courtesy Behaviors Among College Students, Landen M. Roundy, Meagan E. Griffith, Sarah E. Jensen, Joseph A. Allen

Psychology Faculty Publications

Altruism has been debated as both selfishly and selflessly motivated. Though there are many possible illustrations of altruism in daily activities, a simple model to measure altruism is observing door-holding behaviors. This study observes the door-holding behavior patterns of undergraduate college students, assessing the sex differences and the possibility of an altruistic theme within the observed population. A general sex difference was found illustrating that males hold the door more often than females. Implications of the results are discussed.

Resource Allocation Using Touch And Audition, David Mortimer

Electronic Theses and Dissertations

When people multi-task with inputs that demand attention, processing, andencoding, sensory interference is possible at almost any level. Multiple Resource Theory (MRT) suggests that such interference may be avoided by drawing from separate pools of resources available when using different sensory channels, memory processes, and even different response modes. Thus, there should be advantages in dividing tasks among different sensory channels to tap independent pools of attentional resources. For example, people are better with two tasks using the eye and ear, than when using two auditory or two visual inputs. The majority of the research on MRT involves visual to …

Weight Concern And Smoking In Children, Darla E. Kendzor

LSU Master's Theses

Studies have shown that weight concern is prevalent in children and that many children believe smoking can be used to control appetite and weight. However, little is known about the impact of the combination of these factors on smoking initiation in children. Initial research has indicated that weight concern predicts smoking initiation in adolescents, but these studies have not addressed the role of weight control outcome expectancies. The purpose of this study was to prospectively investigate the relationship between weight concern and smoking initiation, and to evaluate weight control outcome expectancies as a moderator of this relationship in children. Cross-sectional …

Delivery Of Smoke Toxicants From Cigarettes Made In Developed And Developing Countries: A Comparison Of U.S. Full Flavor And Ultra Light Brands With Syrian Cigarettes, Lynn M. Anderson

Theses and Dissertations

Clinical research is needed to understand how cigarette toxicant yield affects smoker toxicant exposure. While there is much clinical research on yield and exposure in developed countries, there is little in developing countries. Forty smokers completed one, 4-hour session to compare yield and exposure of different cigarettes. Participants smoked three cigarettes under controlled topography conditions: one U.S. 111 flavor, one U.S. ultra light, and one Syrian cigarette, with 90 minutes between cigarettes. Sessions differed by Syrian brand; 21 participants smoked Alhamraa while 19 smoked A1 Sham cigarettes. Blood nicotine and breath CO samples were obtained, HR was monitored and subjective …

Intracellular Ph, The Proximate Signal For Cell Volume Changes That Are Mediated By The Actin Cytoskeleton, William Pasley

Theses and Dissertations

The relationship between initial intracellular pH (pHi) and associated cell volume change was investigated by simultaneous measurement of pHi and cell volume with fluorescence imaging in polarized fungiform taste receptor cells (TRCs) loaded with BCECF in vitro. Ammonium pulses caused a brief, reversible alkalinization in pHi and induced cell swelling. Sodium-acetate pulses reversible decreased TRC pHi and induced cell shrinkage. Removal weak acids and return to Control Ringer's solution (CR) causedTRC pHi and volume to overshoot baseline levels before fully recovering. Replacing CR with zero-sodium solution resulted in irreversible acidification of TRC pHi and induced cell swelling. Addition of sodium …

Preliminary Study Of Specific Symptoms Experienced By Individuals With Bipolar Disorder , Gail Reichman Mancini

PCOM Psychology Dissertations

The present study attempted to empirically identify symptoms of bipolar disorder to define a more accurate clinical description. A group of 30 individuals with a formal diagnosis of bipolar disorder, who had joined a support group as outpatients, a comparison group of 30 individuals with unipolar depression from an outpatient support group, and 30 nonpatient adults were administered identical measures of symptoms. Results suggested that individuals with bipolar disorder endorsed symptoms correlated with paranoia to a greater degree than individuals with unipolar disorder or nonpatient adults. In addition, symptoms of hostility, interpersonal sensitivity, depression, anxiety, global severity and psychoticism, as …

Political Psychology And Personality, Aubrey Immelman

Psychology Faculty Publications

Following a brief overview of historical approaches to personality-in-politics inquiry, this book chapter reviews the current state of the field – specifically, psychodynamic approaches, trait/motivational perspectives, and cognitive models – and argues that Theodore Millon’s personological model offers an integrative framework for assessing personality in politics and building a conceptual bridge between personality patterns and political leadership styles.

Millon’s model accounts for structural and functional personality attributes at the behavioral, phenomenological, intrapsychic, and biophysical levels of analysis and provides a theoretically coherent framework for studying personality in politics consonant with established principles in the adjacent sciences and integrative with respect …

Medial Temporal Lobe Activity For Recognition Of Recent And Remote Famous Names: An Event-Related Fmri Study, Kelli Douville, John L. Woodard, Michael Seidenberg, Sarah K. Miller, Catherine L. Leveroni, Kristy A. Nielson, Malgorzata Franczak, Piero Antuono, Stephen M. Rao

Psychology Faculty Research and Publications

Previous neuroimaging studies examining recognition of famous faces have identified activation of an extensive bilateral neural network [Gorno Tempini, M. L., Price, C. J., Josephs, O., Vandenberghe, R., Cappa, S. F., Kapur, N. et al. (1998). The neural systems sustaining face and proper-name processing. Brain, 121, 2103–2118], including the medial temporal lobe (MTL) and specifically the hippocampal complex [Haist, F., Bowden, G. J., & Mao, H. (2001). Consolidation of human memory over decades revealed by functional magnetic resonance imaging. Nature Neuroscience, 4, 1139–1145; Leveroni, C. L., Seidenberg, M., Mayer, A. R., Mead, L. A., Binder, J. R., & Rao, S. …

"Second-Class Families": Media Portrayal Of Adoption In America, Jennifer Ellen Struve

Dissertations and Theses @ UNI

Despite legal recognition of adoption as a legitimate family form, research suggests that adoptive families face a special set of circumstances revolving around the societal stigma involved with adoption. Additionally, adoptees admit to experiencing legal, social, and institutional discrimination because of their adoptive status. Although there have been many celebrations of adoption (such as Dave Thomas), there are cultural norms regarding the family that discipline us to see adoption negatively. Researchers acknowledge that the language surrounding adoption is negative, but do not pursue what that language is or where it appears. Thus, the purpose ofmy study was to determine how …

Food Preferences Between Diverse Ethnic Groups In A College Population, Enrique Gallegos Covarrubias

Dissertations and Theses @ UNI

Obesity and its psychosocial and medical consequences are costing the United States billions of dollars per year. Many factors such as lack of physical activity, changing lifestyles, and unhealthy eating behaviors contribute to the increasing prevalence of obesity. In the present study, food preferences among college-aged students were measured from two different geographical locations (Texas and Iowa). Gender (men vs. women), ethnicity (Hispanic vs. Caucasian), and Body Mass Index scores (normal vs. overweight) were utilized as dependent variables to measure food preferences. Participants were required to rate four menus, which included important nutritional information. Ratings were obtained to measure how …

Gender And Site-Name Recall Of Geographic Sites Varying In Distance., Joshua Sean Godsey

Electronic Theses and Dissertations

The purpose of this research project was to replicate, refine, and extend research by Zinser et al. (in press) of the site-name, associative memory of male and female college students of nearby to very distant geographic sites. A test booklet included eight schematic aerial maps. The maps were of 20 to 50 geographic sites participants attempted to match with their names. The number of campus buildings, campus city sites, regional cities, U.S. cities, U.S. states, world cities, world countries, and world continents/bodies of water matched correctly were determined. A demographic questionnaire was also presented. Overall, men performed significantly better than …

Size Matters: A Test Of Boldness In Eight Populations Of The Poeciliid Brachyraphis Episcopi, Culum Brown, Victoria Braithwaite

Sentience Collection

Individual variation in behaviour within populations may be explained in part by demographics and long-term, stable individual psychological differences. We examined the relation between boldness (taken as the time to emerge from a shelter and explore a novel environment) and body size in eight populations of the poeciliid Brachyraphis episcopi originating from sites upstream and downstream of waterfalls in four rivers that run into the Panama Canal. The relation between body size and time to emerge from a shelter was positive, with larger fish taking longer to emerge. This relation differed between downstream and upstream sites, being significant in the …

Reinforcement Schedules Modulate Discriminative Stimulus Properties Of 3,4-Methylenedioxymethamphetamine And Cocaine, Daniel Kueh

Masters Theses

Drug discrimination is a model used to assess the subjective effects of different psychoactive drugs such as 3,4-methylenedioxymethamphetamine (MDMA) and cocaine. However, results from MDMA discrimination studies across different laboratories have not been consistent. Possible confounds for this inconsistency may include the use of different reinforcement schedules such as the fixed-ratio 20 (FR20) and the variable interval 15 seconds (VI15 s) during discrimination training. Studies examining the effects of these two schedules on the discriminative stimulus properties of MDMA and cocaine have not been conducted. Thus, the present study compared the FR20 and the VI15 s schedules to determine their …

Effects Of Nicotine And Anatoxin-A Exposures On The Operant Performance Of Rats, Kimberly Ann Jarema

Dissertations

Tolerance has previously been shown to develop to nicotine's effects on operant behavior. This experiment explored whether tolerance would still develop when nicotine administrations were separated by three weeks. Anatoxin-a, a nicotinic-receptor agonist, was also tested and the results were compared to nicotine. Male Long Evans rats performed under a multiple VR30 VI30-sec food-reinforcement schedule. Phase I rats were divided into 6 groups of 8 that received four weekly subcutaneous injections of nicotine (0.0-1.8 mg/kg) and anatoxin-a (0-250 mcg/kg) prior to testing sessions. An ED50 was derived, for each compound, from the VR dose-response curve. Phase II rats were divided …

Assessing The Differential Outcomes Procedure With Children Diagnosed With Autism, Ivy M. Chong

Dissertations

The differential outcomes effect (DOE) refers to the phenomenon whereby discrimination learning is enhanced when a correct response to a specific sample stimulus is followed by its own unique reward (Savage, 2001). According to some researchers, the DOE is a consistent and powerful effect that enhances the acquisition and retention of conditional discriminations (e.g., Urcuioli, 1990). This series of experiments sought to extend research on the DOE. In Experiment 1, we examined the differential outcomes procedure (DOP) with four children diagnosed with autism across various task types commonly used in early intervention. In Experiment 2, we examined the DOP with …

The Effect Of Levels Of Processing On Event-Related-Potentials, Warren Scott Merrifield

Loma Linda University Electronic Theses, Dissertations & Projects

The primary research question for this study was to determine if physiological correlates of encoding and retrieval could be observed across three levels of processing. It was hypothesized that physiological correlates of encoding and retrieval would be observed at electrode sites near Cz with the semantic processing condition yielding the most positive going event-related-potential, the phonological processing condition yielding an intermediate positive going event-related-potential, and the perceptual processing condition yielding the least positive going-event-related-potential. The experiment had a study phase and test phase. For the study phase, participants were encouraged to process the target word at one of three different …

The Relationship Of Social Interest And Psychopathy, Amy Ann D'Ambrosio

All-Inclusive List of Electronic Theses and Dissertations

Measures of psychopathy and the Adlerian construct of social interest have both been found to predict recidivism of convicted offenders. While the two constructs seem to identify related but opposite traits, the relationship between the traits has not been systematically examined. This study examined the relationship between social interest, lll as assessed by the Sulliman Scale of Social Interest (SSSI), and psychopathy, as assessed by the Psychopathic Personality Inventory (PPI) in order to clarify their relationship. It was hypothesized that the two constructs are inversely related. The study was also designed to address the psychometric characteristics of the two scales. …

Each Sensory Nerve Arising From The Geniculate Ganglion Expresses A Unique Fingerprint Of Neurotrophin Receptor Genes, Albert I. Farbman, Nick Guagliardo, Suzanne I. Sollars, David L. Hill

Psychology Faculty Publications

Neurons in the geniculate ganglion, like those in other sensory ganglia, are dependent on neurotrophins for survival. Most geniculate ganglion neurons innervate taste buds in two regions of the tongue and two regions of the palate; the rest are cutaneous nerves to the skin of the ear. We investigated the expression of four neurotrophins, nerve growth factor (NGF), brain‐derived neurotrophic factor (BDNF), neurotrophin 3 (NT‐3), and NT‐4, and five neurotrophin receptors, trkA, trkB, trkC, p75, and truncated trkB (Trn‐B) in single sensory neurons of the adult rat geniculate ganglion associated with the five innervation fields. For fungiform papillae, a glass …

Evolution Of Nociception In Vertebrates: Comparative Analysis Of Lower Vertebrates, Lynne U. Sneddon

Veterinary Science and Medicine Collection

Nociception is an important sensory system of major fundamental and clinical relevance. The nociceptive system of higher vertebrates is well studied with a wealth of information about nociceptor properties, involvement of the central nervous system and the in vivo responses to a noxious experience are already characterised. However, relatively little is known about nociception in lower vertebrates and this review brings together a variety of studies to understand how this information can inform the evolution of nociception in vertebrates. It has been demonstrated that teleost fish possess nociceptors innervated by the trigeminal nerve and that these are physiologically similar to …

Broken Scales: Obesity And Justice In America, Adam Benforado, Jon Hanson, David Yosifon

Faculty Publications

This Article is not so much about the scales we use to measure weight, but the scales we use to infer causation and assign responsibility-including the scales of justice. Ultimately, the problem we face is not obesity itself. Obesity is only a symptom of the problem. When scientists and public health experts point to various environmental agents-whether larger portion sizes, corn subsidies, video games, or urban sprawl-they, too, overlook the deeper source of our troubles. Our real problem is that we have an extremely difficult time seeing and understanding the role of unseen features in our environment and within us …

External Influences Of Children's Socialization To Gender Roles, Sarah A. Chartschlaa

Senior Honors Theses

It is evident in North American society that there are certain roles placed on boys and girls in accordance with their gender. These gender roles are imposed on children from birth and are taught until eventually they are accepted as absolute truth. Newborn babies are carried out of the hospital in either a pink blanket or a blue blanket depending on gender. Gifts of trucks or dolls are given to toddlers depending on the child's sex. Stories about princesses are read to little girls, while stories of dragons and swords are read to little boys. This socialization of gender roles …

Of Parts And Wholes: Self-Similarity And Synecdoche In Science, Culture And Literature, Dirk Vanderbeke

Reconstruction: Studies in Contemporary Culture

[Editors' Introduction]

The discussion here centers on how self-similarity, or parts resembling a whole, has been a recurring aspect in the most diverse fields of human thinking from antiquity to the present. Primary examples are drawn from physics, biology, cybernetics, alchemy, philosophy, myth and, of course, language and literature. The author argues that self-similar patterns are one of the persistent ways in which the human mind structures its experience and knowledge of the world, and then examines some of the questions that arise when an almost ubiquitous concept, structure or linguistic and literary phenomenon resurfaces in a new guise in …

Wild Justice And Fair Play: Cooperation, Forgiveness, And Morality In Animals, Marc Bekoff

Ethology Collection

In this paper I argue that we can learn much about ‘wild justice’ and the evolutionary origins of social morality – behaving fairly – by studying social play behavior in group-living animals, and that interdisciplinary cooperation will help immensely. In our efforts to learn more about the evolution of morality we need to broaden our comparative research to include animals other than non-human primates. If one is a good Darwinian, it is premature to claim that only humans can be empathic and moral beings. By asking the question ‘What is it like to be another animal?’ we can discover rules …

Infant Heart Transplant: Perioperative Indicators Of Neurocognitive Development, Joy Michelle Gardner

Loma Linda University Electronic Theses, Dissertations & Projects

Approximately five to eight births per 1000 in the United States are born with a congenital heart defect (Limperopoulos et al, 1999), the primary defect in 57% is hypoplastic left heart syndrome (Johnston, 1991). A fatal disease twenty years ago, survival has jumped from less than 5% to 91% of infants surviving their one-month birthday due to advances in palliative and transplant procedures (Razzouk et al, 1996). Unfortunately, the decrease in mortality has been unmatched by a decrease in morbidity, which continues to be a major risk factor when undergoing deep hypothermia (du Plessis, 2000). While neurodevelopmental and cognitive dysfunction …

Exploration Of The Relationship Between Moral Judgment Development And Crystallized Intelligence, Kristy Jones

Masters Theses & Specialist Projects

Recent studies have reported different findings about how moral judgment as defined by the Defining Issues Test (DIT; Rest, Narvaez, Bebeau, & Thoma, 1999) relates to verbal intellectual ability. For example, Sanders, Lubinski, and Benbow (1995) argued that DIT scores are reducible to indices that represent verbal intellectual ability. Thoma and his colleagues (Derryberry, Thoma, Narvaez, & Rest, 2000; Thoma, Derryberry, & Narvaez, 2003; Thoma, Narvaez, Rest, & Derryberry, 1999) found support that DIT scores and indices of verbal intellectual ability are separate sources of information. In considering this relationship, these previous studies have most often referred to grade point …

The Life-Long Diminution Of Anxiety Response As A Consequence Of Reproductive Experience, Ilan M. Mcnamara

Master's Theses

Reproductive experience (RE), associated with hormonal fluctuations and enriching environmental stimuli, enhances spatial memory and blunts responses to stress/anxiety. Whereas stress reductions occur during lactation, the persistence of the RE-anxiolytic effects is unclear; and little research has focused on the HP A axis, amygdala, and other anxietyrelated areas. Using an elevated plus maze (EPM), we examined anxiety in nulliparous (NP), primiparous (PP), and multiparous (MP) females (zero, one, or two litters, respectively) at 6, 10, 14, 18, and 22 months of age. Brains were subsequently analyzed for neurodegeneration in dorsal raphe nucleus (DRN). RE significantly dampened anxiety (defined by time …

Constructions Of Female Identities In Mary Gordon's The Other Side And Maureen Howard's Before My Time, Neli Gogovska

Theses and Dissertations

In Women's Time Kristeva designates three broad currents of feminist struggle: first, the suffragist movement declaring a universalist view of women's experience regardless of class, age, and cultures; second, the phase of difference, that she regards as "returning to an archaic (mythic) memory as well as cyclical or monumental temporality of marginal movements" (355); and third, a trend that she wholeheartedly supports for their concept that "the dichotomy of man and woman as an opposition of two rival entities is a problem of metaphysics" (366).

This thesis discusses Howard and Gordon as proponents of the second phase because they write …

Role Of Naming In Stimulus Categorization By Preschool Children, Caio Flavio Miguel

Dissertations

The purpose of the current study was to assess whether children would categorize pictures when taught the relevant listener and speaker behaviors separately. A category-sort test was used to assess emergent conditional relations. Category-sort trials consisted of looking at (Test 1) or tacting/labeling (Test 2) a samplestimulus and selecting the appropriate comparison stimuli. In Experiment 1, 4 children (3- 5 years) were taught to tact pictures of six U.S. state maps as either north or south. An assessment was conducted to determine whether they would (1) correctly categorize or sort when presented with a visual sample and (2) select the …

Dietary Exposure To Aroclor 1254 Impairs Radial Arm Maze Acquisition And Performance In Rats, Danielle M. Paris-Larson

Masters Theses

Exposure to polychlorinated biphenyls (PCBs) is suspected to produce long lasting cognitive deficits in children and adults. This study assessed the effects of dietary exposure to a commercial mixture of PCBs on spatial learning and memory in Fisher 344 rats. Aroclor 1254 (0, 10, 50 ppm) was administered for 28 consecutive days in the daily diet. Seven days after the last dietary exposure, acquisition training began in an eight-arm radial maze. Following 28 days of acquisition training, "working" memory was assessed using a delayed win/shift procedure. Each delay (20 minutes, 2 hours, and 6 hours) was examined on three consecutive …