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Cognitive Psychology

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Articles 1771 - 1800 of 3970

Full-Text Articles in Psychology

Information Sampling, Judgment And The Environment: Application To The Effect Of Popularity On Evaluations, Gaël Le Mens, Jerker Denrell, Balázs Kovacs, Hülya Karaman Apr 2019

Information Sampling, Judgment And The Environment: Application To The Effect Of Popularity On Evaluations, Gaël Le Mens, Jerker Denrell, Balázs Kovacs, Hülya Karaman

Research Collection Lee Kong Chian School Of Business

If people avoid alternatives they dislike, a negative evaluative bias emerges because errorsof under-evaluation are unlikely to be corrected. Prior work that analyzed this mechanismhas shown that when the social environment exposes people to avoided alternatives (i.e. itmakes them resample them), then evaluations can become systematically more positive. In this paper, we clarify the conditions under which this happens. By analyzing a simple learning model, we show that whether additional exposures induced by the social environment lead to more positive or more negative evaluations depends on how prior evaluations and the social environment interact in driving resampling. We apply these …

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When A Stone Is Not A Stone: Memories Of Clerical Abuse, Charles V. Sords Apr 2019

When A Stone Is Not A Stone: Memories Of Clerical Abuse, Charles V. Sords

Dignity: A Journal of Analysis of Exploitation and Violence

From the fourth to the sixth grades, Charles V. Sords suffered traumatic sexual abuse by Catholic clergy. He suppressed these memories, yet the pain of what happened impacted every aspect of his life. As an adult, several strong, sensory experiences brought the truth of his childhood into focus. He confronted the Church—and the system that protected clerical criminals. This memoir is an account of childhood sexual abuse, the particularly shameful nature of being raped by priests, and how the Catholic Church’s method of handling this and similarly horrifying revelations has re-traumatized survivors.

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Evaluating Theories Of Bilingual Language Control Using Computational Models, Mark D. Lowry Apr 2019

Evaluating Theories Of Bilingual Language Control Using Computational Models, Mark D. Lowry

USF Tampa Graduate Theses and Dissertations

Bilingual language control refers to how bilinguals are able to speak exclusively in one language without the unintended language intruding. Two prominent verbal theories of bilingual language control have been proposed by researchers: the inhibitory control model (ICM) and the lexical selection mechanism model (LSM). The ICM posits that domain-general inhibition is employed in order to suppress the unintended language’s activation. The LSM posits that inhibition is not used; rather a lexical selection mechanism targets only the intended language’s words. In order to better test the theories’ hypotheses, I developed computational models to estimate participants’ reaction times when naming in …

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Examining Validity Of Aha! Ratings As A Construct Of Insight, Ekaterina Y. Shurkova Apr 2019

Examining Validity Of Aha! Ratings As A Construct Of Insight, Ekaterina Y. Shurkova

Psychology Theses & Dissertations

Currently, there are two main views on insightful problem solving. Results of the studies supporting “business-as-usual” theory suggest that the processes involved in solving insight problems are the same as in analytical problem solving—slow, controlled, and effortful, while findings of the studies supporting the restructuring theory of insight suggest involvement of fast and automatic, one-trial-learning type of processes. The goal of the current study was to investigate the construct validity of the Aha! ratings, used in many studies as the measure of insight, by isolating its three components, effort, confidence, and suddenness, and examining their correlation with working memory span. …

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Estimating Cognitive Workload In An Interactive Virtual Reality Environment Using Electrophysiological And Kinematic Activity, Christoph Tremmel Apr 2019

Estimating Cognitive Workload In An Interactive Virtual Reality Environment Using Electrophysiological And Kinematic Activity, Christoph Tremmel

Biomedical Engineering Theses & Dissertations

As virtual reality (VR) technology continues to gain prominence in commercial, educational, recreational and research applications, there is increasing interest in incorporating physiological sensors in VR devices for passive user-state monitoring to eventually increase the sense of immersion. By recording physiological signals such as the electroencephalogram (EEG), electromyography (EMG) or kinematic parameters during the use of a VR device, the user’s interactions in the virtual environment could be adapted in real time based on the user’s cognitive state. This dissertation evaluates the feasibility of passively monitoring cognitive workload via electrophysiological and kinematic activity while performing a classical n-back task in …

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Comparing The Effects Of Mental Workload Between Visual And Auditory Secondary Tasks During Laparoscopy, James P. Corcoran Apr 2019

Comparing The Effects Of Mental Workload Between Visual And Auditory Secondary Tasks During Laparoscopy, James P. Corcoran

Psychology Theses & Dissertations

The purpose of this study was to test Wickens’ Multiple Resource Theory (MRT) by comparing performance and subjective workload on a visual-spatial secondary task with an auditory-spatial analog when paired with visual-spatial laparoscopic primary tasks. Two primary tasks were performed with a laparoscopic box trainer: a high workload task that consisted of transferring rings from one peg to another and a low workload task that consisted of grasping and placing large pencil erasers in a bowl. It was predicted that the visual-spatial secondary task would be more sensitive when paired with the laparoscopic primary task than the auditory analog. Findings …

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Phishing In Dark Waters: A Quasi-Experimental Approach With Evaluating Cyber-Security Training For End-Users, Jaclyn Martin Mar 2019

Phishing In Dark Waters: A Quasi-Experimental Approach With Evaluating Cyber-Security Training For End-Users, Jaclyn Martin

USF Tampa Graduate Theses and Dissertations

With the increasing amount of digital storage of personal and organizational data, there has been an increasing number of cyber-attacks, which has spurred much research on how to reduce phishing susceptibility. However, there are several gaps in the current research. There is little research on the effectiveness of different interventions on phishing susceptibility. There is no research on the differential impact of interventions on sensitivity (ability to detect phishing emails) and response bias (propensity to treat emails as threatening) or the influence of individual characteristics on phishing email training success. This study addresses these gaps using a quasi-experimental approach to …

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Enhanced Explicit Vocabulary Learning Compared To Implicit Grammar Learning In Adults, Leah Brainin, Marc Joanisse Mar 2019

Enhanced Explicit Vocabulary Learning Compared To Implicit Grammar Learning In Adults, Leah Brainin, Marc Joanisse

Western Research Forum

Compared to young children, the language learning process is much more difficult and less successful in adulthood. Little is known about how non-linguistic cognitive processes contribute to these age-dependent differences. We argue that language learning involves both explicit declarative memory processes to learn vocabulary and implicit procedural memory processes to learn grammatical patterns. In this preliminary study, we aimed to quantify the relative contribution of declarative versus procedural learning in adults via an artificial language learning task. Participants ages 18 to 29 heard novel singular and plural words associated with images of common objects. The grammar of the language consisted …

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Reference Dependence In Bayesian Reasoning, Alaina N. Talboy Mar 2019

Reference Dependence In Bayesian Reasoning, Alaina N. Talboy

USF Tampa Graduate Theses and Dissertations

The purpose of this dissertation is to examine aspects of the representational and computational influences on Bayesian reasoning as they relate to reference dependence. Across three studies, I explored how dependence on the initial problem structure influences the ability to solve Bayesian reasoning tasks. Congruence between the problem and question of interest, response errors, and individual differences in numerical abilities was assessed. The most consistent and surprising finding in all three experiments was that people were much more likely to utilize the superordinate value as part of their solution rather than the anticipated reference class values. This resulted in a …

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Turning Down The Heat: Neural Mechanisms Of Cognitive Control For Inhibiting Task-Irrelevant Emotional Information During Adolescence, Marie T. Banich, Harry R. Smolker, Hannah R. Snyder, Jarrod A. Lewis-Peacock, Detre Godinez, Tor D. Wager, Benjamin L. Hankin Mar 2019

Turning Down The Heat: Neural Mechanisms Of Cognitive Control For Inhibiting Task-Irrelevant Emotional Information During Adolescence, Marie T. Banich, Harry R. Smolker, Hannah R. Snyder, Jarrod A. Lewis-Peacock, Detre Godinez, Tor D. Wager, Benjamin L. Hankin

Graduate School of Professional Psychology: Faculty Scholarship

One major question in the cognitive neuroscience of cognitive control is whether prefrontal regions contribute to control by upregulating the processing of task-relevant material or by downregulating the processing of task-irrelevant material. Here we take a unique approach to addressing this question by using multi-voxel pattern analysis, which allowed us to determine the degree to which each of the task-relevant and task-irrelevant dimensions of a stimulus are being processed in posterior cortex on a trial-by-trial basis. In our study, adolescent participants performed an emotion word – emotional face Stroop task requiring them to determine the emotional valence (positive, negative) of …

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The Role Of Need For Cognition In Creative Thinking Processes, Vignesh Murugavel, Roni Reiter-Palmon, Victoria Kennel Mar 2019

The Role Of Need For Cognition In Creative Thinking Processes, Vignesh Murugavel, Roni Reiter-Palmon, Victoria Kennel

UNO Student Research and Creative Activity Fair

Expanding on past findings, we examined the effects of need for cognition on different cognitive processes of creative problem-solving. We assessed need for cognition (NFC) and creative abilities of 180 undergraduates in problem construction, idea generation, and idea evaluation tasks. Regression analysis was used to test the effects of NFC on measures of creativity. Our findings indicate that NFC positively relates to the core creative processes of problem construction, idea generation, and idea evaluation. The theoretical and practical implication of our findings are discussed.

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An Investigation Of Stimulants: Reviewing Their Effects On The Brain, Including Memory And Microglia, Michael Douchey Mar 2019

An Investigation Of Stimulants: Reviewing Their Effects On The Brain, Including Memory And Microglia, Michael Douchey

UNO Student Research and Creative Activity Fair

Stimulants are a class of drugs that have a variety of effects on the brain, including changes in receptor activity in the brain areas responsible for- memory, attention, emotion, motor control, and the reward pathway. Stimulants may be generally classified by their availability. For example, prescription stimulants, which include drugs such as methylphenidate (Concerta™, Ritalin™) and mixed amphetamine salts (Adderall™), must be prescribed by medical professionals. Another regulated stimulant, albeit one available without a prescription, is nicotine; a highly addictive chemical that is age-restricted by the U.S. federal government. Nicotine is found in tobacco products, and in tobacco-free alternatives including …

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Examining Item Content Validity Using Property Fitting Analysis Via Multidimensional Scaling, Cody Ding, Cody Ding Mar 2019

Examining Item Content Validity Using Property Fitting Analysis Via Multidimensional Scaling, Cody Ding, Cody Ding

Education Sciences and Professional Programs Faculty Works

No abstract provided.

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Spiritually Focused Mindfulness Meditation: An Interpretative Phenomenological Analysis Of The Effect Of Spiritually Focused Mindfulness Meditation On Depression With A Clinical Population, Grace Lynn Bellingham Mar 2019

Spiritually Focused Mindfulness Meditation: An Interpretative Phenomenological Analysis Of The Effect Of Spiritually Focused Mindfulness Meditation On Depression With A Clinical Population, Grace Lynn Bellingham

Doctoral Dissertations and Projects

This interpretative phenomenological analysis explored the use of spiritually focused mindfulness meditation for clinical depression. Although antidepressant medication and cognitive behavioral therapy are the leading evidence-based treatments for clinical depression, major depressive disorder is recurrent, and progressive and relapse rates are increasing. Numerous studies examining the use of complementary and alternative medicine therapies, which include the use of meditation to treat depression, have emerged in the literature. In this study, three individuals who met diagnostic criteria for major depressive disorder used spiritually focused mindfulness meditation for three weeks and participated in in-depth interviews to explore their experiences. Findings revealed significant …

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An Analysis Of Performance-Based Perception In Competitive Baseball Players, Grant Schlimgen, Michael Dodd Mar 2019

An Analysis Of Performance-Based Perception In Competitive Baseball Players, Grant Schlimgen, Michael Dodd

Honors Program: Senior Projects (Public)

Abstract: The correlation between performance hitting a baseball and perceived ball size has been described in previous work (Witt & Proffitt, 2005). The article in question used recreational softball players to demonstrate that greater performance led to a perceived change in softball size, but discussed a desire to replicate their experiment with competitive professionals. Using athletes from a semi-collegiate baseball team during their summer season, we were able to find a correlation that although weaker, continues to propagate the relationship found in previous studies. The finding of a weaker relationship also sheds new insight into why elite athletes may fare …

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Going To School In The Forest: Changing Evaluations Of Animal-Plant Interactions In The Kichwa Amazon, Jeffrey T. Shenton Feb 2019

Going To School In The Forest: Changing Evaluations Of Animal-Plant Interactions In The Kichwa Amazon, Jeffrey T. Shenton

Journal of Ecological Anthropology

For rural, indigenous communities the ways structural modernization, exposure to Western-scientific epistemologies, and formal schooling affect environmental reasoning remain unclear. For one Kichwa community in the Napo region of Ecuador, daily routines have re-oriented toward formal schooling but environmental learning opportunities remain intact. Here, while a Species Interaction Task elicited consensus across ages on inferred ecological interactions, younger people reasoned differently than older people: for them, animal interactions with flora were considered damaging, not neutral. Aspirational practices like schooling can thus reorient environmental reasoning, even in contexts in which young people share cultural understandings of local ecological relationships with adults.

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Combined Report: Aviation Weather Knowledge Assessment & General Aviation (Ga) Pilots’ Interpretation Of Weather Products, Beth Blickensderfer, John Lanicci, Thomas A. Guinn, Robert Thomas, Jennifer E. Thropp, Jayde King, Yolanda Ortiz, Jessica Cruit, Nicholas Defilippis, Krijn Berendschot, Jacqueline Mcsorley, John Kleber Feb 2019

Combined Report: Aviation Weather Knowledge Assessment & General Aviation (Ga) Pilots’ Interpretation Of Weather Products, Beth Blickensderfer, John Lanicci, Thomas A. Guinn, Robert Thomas, Jennifer E. Thropp, Jayde King, Yolanda Ortiz, Jessica Cruit, Nicholas Defilippis, Krijn Berendschot, Jacqueline Mcsorley, John Kleber

General Aviation Weather Display Interpretation

Prior research has indicated that general aviation (GA) pilots may lack adequate knowledge of aviation weather concepts and skill at interpreting aviation weather displays. Therefore, the purpose of the current project was to develop and validate a comprehensive set of aviation weather knowledge and interpretation multiple-choice questions, and in turn, to use the questions to assess pilot understanding of aviation weather concepts and displays. An interdisciplinary research team that included two meteorologists, one Gold Seal Certificated Flight Instructor (CFI), a human factors psychologist, and several human factors graduate students performed this research.

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An Exploration Of The Experience Of Adults With Learning Disabilities Through Art, Adi Greenboim-Zimchoni Feb 2019

An Exploration Of The Experience Of Adults With Learning Disabilities Through Art, Adi Greenboim-Zimchoni

Expressive Therapies Dissertations

This study employed arts-based research with phenomenological, qualitative inquiry to understand and explore the perspectives of adults with learning disabilities and their sense of self and support in inclusive and special education classrooms in Israel during their school years. In this study, the researcher attempted to take Bronfenbrenner’s Ecological Systems Theory (1979) one step further by examining the participants’ feelings and relationships with the people in their daily lives during childhood. The researcher met with 12 participants ages 18-31 diagnosed with learning disabilities between third and eleventh grade. Participants created drawings illustrating how they felt about teachers, parents, friends and …

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Genome-Wide Association Scan Identifies New Variants Associated With A Cognitive Predictor Of Dyslexia, Alessandro Gialluisi, Till F. M. Andlauer, Nazanin Mirza-Schreiber, Kristina Moll, Jessica Becker, Per Hoffmann, Kerstin U. Ludwig, Darina Czamara, Beate St Pourcain, William Brandler, Ferenc Honbolygó, Dénes Tóth, Valéria Csépe, Guillaume Huguet, Andrew P. Morris, Jacqueline Hulslander, Erik G. Willcutt, John C. Defries, Richard K. Olson, Shelley D. Smith, Bruce F. Pennington, Anniek Vaessen, Urs Maurer, Heikki Lyytinen, Myriam Peyrard-Janvid, Paavo H. T. Leppänen, Daniel Brandeis, Milene Bonte, John F. Stein, Joel B. Talcott, Fabien Fauchereau, Arndt Wilcke, Clyde Francks, Thomas Bourgeron, Anthony P. Monaco, Franck Ramus, Karin Landerl, Juha Kere, Thomas S. Scerri, Silvia Paracchini, Simon E. Fisher, Johannes Schumacher, Markus M. Nöthen, Bertram Müller-Myhsok, Gerd Schulte-Körne Feb 2019

Genome-Wide Association Scan Identifies New Variants Associated With A Cognitive Predictor Of Dyslexia, Alessandro Gialluisi, Till F. M. Andlauer, Nazanin Mirza-Schreiber, Kristina Moll, Jessica Becker, Per Hoffmann, Kerstin U. Ludwig, Darina Czamara, Beate St Pourcain, William Brandler, Ferenc Honbolygó, Dénes Tóth, Valéria Csépe, Guillaume Huguet, Andrew P. Morris, Jacqueline Hulslander, Erik G. Willcutt, John C. Defries, Richard K. Olson, Shelley D. Smith, Bruce F. Pennington, Anniek Vaessen, Urs Maurer, Heikki Lyytinen, Myriam Peyrard-Janvid, Paavo H. T. Leppänen, Daniel Brandeis, Milene Bonte, John F. Stein, Joel B. Talcott, Fabien Fauchereau, Arndt Wilcke, Clyde Francks, Thomas Bourgeron, Anthony P. Monaco, Franck Ramus, Karin Landerl, Juha Kere, Thomas S. Scerri, Silvia Paracchini, Simon E. Fisher, Johannes Schumacher, Markus M. Nöthen, Bertram Müller-Myhsok, Gerd Schulte-Körne

Psychology: Faculty Scholarship

Developmental dyslexia (DD) is one of the most prevalent learning disorders, with high impact on school and psychosocial development and high comorbidity with conditions like attention-deficit hyperactivity disorder (ADHD), depression, and anxiety. DD is characterized by deficits in different cognitive skills, including word reading, spelling, rapid naming, and phonology. To investigate the genetic basis of DD, we conducted a genome-wide association study (GWAS) of these skills within one of the largest studies available, including nine cohorts of reading-impaired and typically developing children of European ancestry (N = 2562–3468). We observed a genome-wide significant effect (p <  1 × 10−8) on rapid automatized naming of letters (RANlet) for variants on 18q12.2, within MIR924HG (micro-RNA …

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Partners In School: An Innovative Parent-Teacher Consultation Model For Children With Autism Spectrum Disorder, Gazi F. Azad, Steven C. Marcus, Susan M. Sheridan, David S. Mandell Feb 2019

Partners In School: An Innovative Parent-Teacher Consultation Model For Children With Autism Spectrum Disorder, Gazi F. Azad, Steven C. Marcus, Susan M. Sheridan, David S. Mandell

Department of Educational Psychology: Faculty Publications

Little research examines the best ways to improve communication between parents and teachers of children with Autism Spectrum Disorder (ASD) and its effect on child outcomes. The present study tests an innovative parent-teacher consultation model, entitled Partners in School. The goal of Partners in School is to improve parent-teacher communication about evidence-based practices (EBPs), and subsequently, outcomes for children with ASD. Participants were 26 teachers and 49 parents of children with ASD from a large urban public school district. Parents and teachers completed measures of their communication and child outcomes prior to and after receiving consultation through Partners in School. …

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Understanding The Experiences Of Latino Community College Students On Academic Probation: A Case Study, Maria P. Mcpherson Feb 2019

Understanding The Experiences Of Latino Community College Students On Academic Probation: A Case Study, Maria P. Mcpherson

CUP Ed.D. Dissertations

The academic standards and policies of institutions of higher education consider student underachievement, among the other aspects of education. Academic standing addresses the probation status designed to intervene and inform students who are unable to meet certain academic institutional standards. However, there is a lack of research discussing the experiences of community college students on academic probation (AP). This qualitative case study explored the perceptions of Latino college students experiences with AP at a large community college on the west coast of the United States. Specifically, the transitions of Latino students to college as previous studies have demonstrated that their …

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Motor Preparation For Compensatory Reach-To-Grasp Responses When Viewing A Wall-Mounted Safety Handle, David A. E. Bolton, David M. Cole, Blake Butler, Mahmoud Mansour, Garrett Rydalch, Doug Mcdannald, Sarah Schwartz Feb 2019

Motor Preparation For Compensatory Reach-To-Grasp Responses When Viewing A Wall-Mounted Safety Handle, David A. E. Bolton, David M. Cole, Blake Butler, Mahmoud Mansour, Garrett Rydalch, Doug Mcdannald, Sarah Schwartz

Browse all Datasets

The present study explored how motor cortical activity was influenced by visual perception of complex environments that either afforded or obstructed arm and leg reactions in young, healthy adults. Most importantly, we focused on compensatory balance reactions where the arms were required to regain stability following unexpected postural perturbation. Our first question was if motor cortical activity from the hand area automatically corresponds to the visual environment. Affordance-based priming of the motor system was assessed using single-pulse Transcranial Magnetic Stimulation (TMS) to determine if visual access to a wall-mounted support handle influenced corticospinal excitability. We evaluated if hand actions were …

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A Defense Of Pure Connectionism, Alex B. Kiefer Feb 2019

A Defense Of Pure Connectionism, Alex B. Kiefer

Dissertations, Theses, and Capstone Projects

Connectionism is an approach to neural-networks-based cognitive modeling that encompasses the recent deep learning movement in artificial intelligence. It came of age in the 1980s, with its roots in cybernetics and earlier attempts to model the brain as a system of simple parallel processors. Connectionist models center on statistical inference within neural networks with empirically learnable parameters, which can be represented as graphical models. More recent approaches focus on learning and inference within hierarchical generative models. Contra influential and ongoing critiques, I argue in this dissertation that the connectionist approach to cognitive science possesses in principle (and, as is becoming …

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Object Permanence In Asian Elephants (Elephas Maximus), Dalia Miller Feb 2019

Object Permanence In Asian Elephants (Elephas Maximus), Dalia Miller

Theses and Dissertations

This study investigated object permanence in Asian elephants (Elephas maximus) using visible and invisible test paradigms with single and multiple object displacements. Elephants were predicted to succeed, demonstrating a capacity for object permanence and for using vision in a cognitive task. Study outcomes supported these predictions.

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Men And Masculinity: How The Brain And Heart Respond To Shame, Christopher Spromberg Feb 2019

Men And Masculinity: How The Brain And Heart Respond To Shame, Christopher Spromberg

Doctor of Psychology (PsyD)

This dissertation examined the influence that level of adherence to traditionally masculine gender values, norms, and beliefs has on how men cognitively and physiologically respond to a shame based projective measure. A 2-stage study was used. In the first stage 208 undergraduate men responded to the Conformity to Masculine Norms Inventory (CMNI; Mahalik, Burns, & Syzdek, 2007). Utilizing the total masculinity score from the CMNI, quartiles were constructed. The two extreme quartiles comprised 2 groups; most traditionally conforming (TMASC) and most non-traditionally conforming (NTMASC) to masculinity norms. Men from these groups (TMASC n = 11; NTMASC n = 13) were …

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Cognitive, Behavioral, And Situational Influences On Relapse To Smoking After Group Treatment For Tobacco Dependence, Sara E. Lunden, Jami C. Pittman, Neelam Prashad, Ria Malhotra, Christine Sheffer Jan 2019

Cognitive, Behavioral, And Situational Influences On Relapse To Smoking After Group Treatment For Tobacco Dependence, Sara E. Lunden, Jami C. Pittman, Neelam Prashad, Ria Malhotra, Christine Sheffer

Publications and Research

Socioeconomic disparities in treatment failure rates for evidence-based tobacco dependence treatment are well-established. Adapted cognitive behavioral treatments are extensively tailored to meet the needs of lower socioeconomic status (SES) smokers and dramatically improve early treatment success, but there is little understanding of why treatment failure occurs after a longer period of abstinence than with standard treatment, why early treatment success is not sustained, and why long-term treatment failure rates are no different from standard treatments. We sought to understand the causes of treatment failure from the perspective of diverse participants who relapsed after receiving standard or adapted treatment in a …

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Experimentally Examining The Proposed Relationships Among “Rehearsal-Based” Effects, Corey Ian Mcgill Jan 2019

Experimentally Examining The Proposed Relationships Among “Rehearsal-Based” Effects, Corey Ian Mcgill

LSU Doctoral Dissertations

Despite the importance of rehearsal to most models of verbal working memory, its role has been recently called into question. Much prior work in support of rehearsal models has centered on the experimental effects of word-length, phonological-similarity, and irrelevant sound on serial order recall performance and the interaction of all three with concurrent articulation. However, recent research has suggested that confounding effects of stimuli, such as orthographic neighborhood, may be the true cause of the word-length effect. While these findings alone have significant implications for modern models of rehearsal, to understand them within the context of modern theories of working …

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A Bird's-Eye View Of The Multiple Biochemical Mechanisms That Propel Pathology Of Alzheimer's Disease: Recent Advances And Mechanistic Perspectives On How To Halt The Disease Progression Targeting Multiple Pathways., Caleb Vegh, Kyle Stokes, Dennis Ma, Darcy Wear, Jerome Cohen, Sidhartha D. Ray, Siyaram Pandey Jan 2019

A Bird's-Eye View Of The Multiple Biochemical Mechanisms That Propel Pathology Of Alzheimer's Disease: Recent Advances And Mechanistic Perspectives On How To Halt The Disease Progression Targeting Multiple Pathways., Caleb Vegh, Kyle Stokes, Dennis Ma, Darcy Wear, Jerome Cohen, Sidhartha D. Ray, Siyaram Pandey

Touro College of Pharmacy (New York) Publications and Research

Neurons consume the highest amount of oxygen, depend on oxidative metabolism for energy, and survive for the lifetime of an individual. Therefore, neurons are vulnerable to death caused by oxidative-stress, accumulation of damaged and dysfunctional proteins and organelles. There is an exponential increase in the number of patients diagnosed with neurodegenerative diseases such as Alzheimer’s (AD) as the number of elderly increases exponentially. Development of AD pathology is a complex phenomenon characterized by neuronal death, accumulation of extracellular amyloid-β plaques and neurofibrillary tangles, and most importantly loss of memory and cognition. These pathologies are most likely caused by mechanisms including …

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Speaking For “Free”: Word Of Mouth In Free- And Paid-Product Settings, Samuel Bond, Stephen He, Wen Wen Jan 2019

Speaking For “Free”: Word Of Mouth In Free- And Paid-Product Settings, Samuel Bond, Stephen He, Wen Wen

Faculty & Staff Scholarship

This research examines drivers of consumer word of mouth (WOM) in free-product settings, revealing fundamental differences with traditional, paid-product settings. The authors build and investigate a theoretical model that highlights two unique characteristics of free products (reciprocity motivation and diminished adoption risk) and considers their implications for WOM sharing. Results of a retrospective survey, two controlled experiments, and an analysis of more than 5,000 mobile apps at Google Play and Apple’s App Store reveal that consumers are generally more likely to share their opinions of free products than paid products, because of feelings of reciprocity toward the producer. However, this …

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Characterizing The Development Of Episodic Memory And Assessing The Reliability Of Fmri Measures, Lingfei Tang Jan 2019

Characterizing The Development Of Episodic Memory And Assessing The Reliability Of Fmri Measures, Lingfei Tang

Wayne State University Dissertations

The ability to remember past events is critical for everyday life and showed robust improvement over development from childhood to adulthood. With advances in noninvasive neuroimaging methods such as functional MRI in recent years, research efforts have been focused on identifying neural correlates underpinning developmental gains in memory performance. In my dissertation work, using a widely-validated subsequent memory paradigm, I aim to characterize functional MRI correlates of memory development. Specifically, I focused my investigation on identifying age differences in the functional patterns of two brain regions critical for memory, the prefrontal cortex and the hippocampus. Focusing on the prefrontal cortex …

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