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Cognition

2022

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Articles 1 - 27 of 27

Full-Text Articles in Psychology

The Impact Of Alzheimer Disease On Semantic Knowledge, Maileen G. Ulep Dec 2022

The Impact Of Alzheimer Disease On Semantic Knowledge, Maileen G. Ulep

UNLV Theses, Dissertations, Professional Papers, and Capstones

The research furthers the understanding of the impact of Alzheimer disease (AD) on cognition and the organization of semantic knowledge in the brain, which might contribute to the development of diagnostic and staging tools, and interventions to palliate cognitive deficits. The disruption of semantic knowledge in AD is well documented in the literature. Much of the existing research focuses on the general impact AD has on semantic knowledge. This study explores the impact of AD on specific domains of knowledge, chiefly, living kinds and artifacts, critical to ordinary functioning. The content, organization and structure of the investigated domains of knowledge …


The Stability Of The Speech-To-Song Illusion And Individual Differences, Rodica R. Constantine Dec 2022

The Stability Of The Speech-To-Song Illusion And Individual Differences, Rodica R. Constantine

UNLV Theses, Dissertations, Professional Papers, and Capstones

Music and language are easily distinguishable for the average listener despite sharing many structural acoustic similarities. The Speech-to-Song illusion can give rise to both musical and linguistic percepts by inducing a perceptual switch after listening to multiple repetitions of a natural spoken utterance. As such, it has been used as a tool to control for low-level acoustic characteristics previously shown to drive lateralized brain responses regardless of domain-type, helping to disambiguate the contribution of high- versus low-level processes in both music and speech perception. However, there exists a lack of research on how large a role individual differences such as …


An Evidence Review Of Behavioural Economics In The Justice Sector, Brian Barry, Lucia Morales, Aiden Carthy Nov 2022

An Evidence Review Of Behavioural Economics In The Justice Sector, Brian Barry, Lucia Morales, Aiden Carthy

Articles

Behavioural economics combines elements of economics and psychology to better understand how and why people behave the way they do in the real world. While behavioural economics originally sought to better understand economic decision-making, it has since grown in scope and application, and it is increasingly used by governments, government departments and other organisations to shape and implement public policies in a range of policy areas. This Review considers the application of behavioural economics theories and concepts (commonly referred to as behavioural insights) to the justice sector in a range of areas of justice policy in different jurisdictions. Areas of …


Cognitive Effort Avoidance In Veterans With Suicide Attempt Histories, James M. Bjork, Chelsea S. Rooney, Lisa K. Straub, David M. N. Garavito, Andrew Westbrook Nov 2022

Cognitive Effort Avoidance In Veterans With Suicide Attempt Histories, James M. Bjork, Chelsea S. Rooney, Lisa K. Straub, David M. N. Garavito, Andrew Westbrook

Articles

Suicide attempts (SA) are increasing in the United States, especially in veterans. Discovering individual cognitive features of the subset of suicide ideators who attempt suicide is critical. Cognitive theories attribute SA to facile schema-based negative interpretations of environmental events. Over-general autobiographical memory and facile solutions in problem solving tasks in SA survivors suggest that aversion to expending cognitive effort may be a neurobehavioral marker of SA risk. In veterans receiving care for mood disorder, we compared cognitive effort discounting and evidence-gathering in a beads task between veterans with (SAHx+; n = 26) versus without (SAHx-; n = 22) a history …


Early Life Exposure To Unpredictable Parental Sensory Signals Shapes Cognitive Development Across Three Species, Elyssia Poggi Davis, Kari Mccormack, Hina Arora, Desiree Sharpe, Annabel K. Short, Jocelyne Bachevalier, Laura M. Glynn, Curt A. Sandman, Hal S. Stern, Mar Sanchez, Tallie Z. Baram Oct 2022

Early Life Exposure To Unpredictable Parental Sensory Signals Shapes Cognitive Development Across Three Species, Elyssia Poggi Davis, Kari Mccormack, Hina Arora, Desiree Sharpe, Annabel K. Short, Jocelyne Bachevalier, Laura M. Glynn, Curt A. Sandman, Hal S. Stern, Mar Sanchez, Tallie Z. Baram

Psychology Faculty Articles and Research

Exposure to early life adversity has long term consequences on cognitive function. Most research has focused on understanding components of early life adversities that contribute to later risk, including poverty, trauma, maltreatment, and neglect. Whereas these factors, in the aggregate, explain a significant proportion of emotional and cognitive problems, there are serious gaps in our ability to identify potential mechanisms by which early life adversities might promote vulnerability or resilience. Here we discuss early life exposure to unpredictable signals from the caretaker as an understudied type of adversity that is amenable to prevention and intervention. We employ a translational approach …


Neuroanatomy In Mild Cognitive Impairment: Relationship To Functional Skills, Treatment Expectancy, And Comorbid Depression, Sara Rushia Sep 2022

Neuroanatomy In Mild Cognitive Impairment: Relationship To Functional Skills, Treatment Expectancy, And Comorbid Depression, Sara Rushia

Dissertations, Theses, and Capstone Projects

Mild cognitive impairment (MCI) is a neurocognitive disorder defined by cognitive decline in older adults. Although MCI has been studied for decades, there remain important areas to be explored in order to adequately characterize aspects of this disorder that provide information valuable for possible interventions and disease progression to dementia, including a better understanding of the neuroanatomical variables relevant to this disorder. Such neuroanatomical variables include cortical thickness, hippocampal volume, and white matter hyperintensities (WMHs). This dissertation consists of three separate studies aimed at addressing gaps in the literature on MCI in relation to brain morphometrics and under-studied characteristics involved …


Examining The Relationships Between Socio-Cognitive Factors And Neural Synchrony During Movie Watching Across Development, Kathleen M. Lyons Aug 2022

Examining The Relationships Between Socio-Cognitive Factors And Neural Synchrony During Movie Watching Across Development, Kathleen M. Lyons

Electronic Thesis and Dissertation Repository

While different cognitive abilities mature, the conscious experiences of children likely become richer and more elaborate. A challenge in investigating relationships between cognitive development and real-world experiences is having measures that assess naturalistic processing. Movie watching offers a solution, since following the plot of a film requires cognitive processes that are similar to real-world experiences. When different adults watch the same film, their brain activity begins to align (known as neural synchrony). The strength of this alignment has been shown to reflect the degree to which different individuals are having a similar experience of the movie. While this phenomenon has …


Understanding Across The Senses: Cross-Modal Studies Of Cognition In Cetaceans, Jason N. Bruck, Adam A. Pack Aug 2022

Understanding Across The Senses: Cross-Modal Studies Of Cognition In Cetaceans, Jason N. Bruck, Adam A. Pack

Faculty Publications

Cross-modal approaches to the study of sensory perception, social recognition, cognition, and mental representation have proved fruitful in humans as well as in a variety of other species including toothed whales in revealing equivalencies that suggest that different sensory stimuli associated with objects or individuals may effectively evoke mental representations that are, respectively, object based or individual based. Building on established findings of structural equivalence in the form of spontaneous recognition of complex shapes across the modalities of echolocation and vision and behavior favoring identity echoic–visual cross-modal relationships over associative echoic–visual cross-modal relationships, examinations of transitive inference equivalencies from initially …


Stability Of Neurocognitive Abilities In Heterogeneous Subgroups Of Schizophrenia, Megan L. Becker Wright Aug 2022

Stability Of Neurocognitive Abilities In Heterogeneous Subgroups Of Schizophrenia, Megan L. Becker Wright

UNLV Theses, Dissertations, Professional Papers, and Capstones

Considerable work has been devoted to characterizing the latent structure of cognition in schizophrenia (SZ) to understand important clinical outcomes associated with generalized or specific deficits but findings are limited in a number of ways. Previous work has not assessed bifactor and other complex models of cognition in SZ, which might provide a better understanding of the structure of cognitive abilities. It is also unclear whether the latent structure of cognitive abilities is similar between men and women with SZ or whether the latent structure of cognitive abilities is stable over time with repeated assessment. These limitations must be addressed …


The Effects Of Physical Function And Genetics On Cognition And Blood Biomarkers In Individuals At-Risk For Alzheimer’S Disease And Related Dementias, Joshua Louis Gills Aug 2022

The Effects Of Physical Function And Genetics On Cognition And Blood Biomarkers In Individuals At-Risk For Alzheimer’S Disease And Related Dementias, Joshua Louis Gills

Graduate Theses and Dissertations

Alzheimer’s disease and related dementia (ADRD) rates are expected to triple by the year 2050. Early detection and specific mitigation efforts are warranted to blunt the alarming rate. Physical function (PF) declines with age, but higher physical function is associated with better cognitive functioning in middle-to- older age individuals. Moreover, greater physical activity (PA) is associated with better global cognition; however, Apoliporotein e4 carriers may not gain the same benefits with exercise. Additionally, plasma phosphorylated tau 217 (p-tau217) has been identified as a novel diagnostic ADRD biomarker which needs further research to examine associations with risk factors. Therefore, the aims …


Lifetime Racism And John Henryism On Cognition And Cardiovascular Health In Black Men, Roy Mitchell Aug 2022

Lifetime Racism And John Henryism On Cognition And Cardiovascular Health In Black Men, Roy Mitchell

Dissertations

Lifetime racism is a type of chronic stress that is often accompanied by depression. Racism is the experience of many Black men because of several psychosocial stressors such as reduced resources and institutional barriers, to name a few. Active coping is typically utilized by Black men as a consistent means to reduce the negative outcomes linked to racism, however, this up-tempo coping style can contribute to poor cardiovascular health and cognitive impairment over time. The present study aimed to provide data to support the effects of lifetime racism and active coping on cardiovascular health and cognition. There were three hypotheses …


Selfies And The Self: The Influence Of Instagram Posting On Self And Cognition, Giovanni Castillo Jul 2022

Selfies And The Self: The Influence Of Instagram Posting On Self And Cognition, Giovanni Castillo

Theses

Research on Social Networking Sites (SNS) has shown a variety of both beneficial and detrimental psychological and cognitive outcomes associated with high frequency usage. We conducted an online study consisting of a series of questionnaires and a working memory task to explore the relationship between Instagram use intensity and cognition. The present study first investigated the relationship between Instagram (IG) use intensity, rumination, and cognitive failures. We randomly assigned participants into a selfie-posting, selfie-sending, or likes/comments reporting condition to determine whether selfie-posting behavior affects working memory performance. While we did not find significant associations between IG use intensity, rumination, and …


Sound Judgment: Review Of Noise: A Flaw In Human Judgment (2021) By Daniel Kahneman, Olivier Sibony, And Cass R. Sunstein, Anne Kelly Jul 2022

Sound Judgment: Review Of Noise: A Flaw In Human Judgment (2021) By Daniel Kahneman, Olivier Sibony, And Cass R. Sunstein, Anne Kelly

Numeracy

In Noise: A Flaw in Human Judgment (2021), Daniel Kahneman, Olivier Sibony, and Cass R. Sunstein convincingly demonstrate the pervasiveness and harmfulness of unwanted internal variability or noise. Using examples from both public and private sectors to demonstrate the quality and limits of the judgments we make, they argue that, despite objections based on possible cost, difficulty, and dehumanization, the reduction of noise is imperative for the fairness and equitability of systems upon which we depend.


The Influence Of Parental Psychological Control On Offspring Anxiety Symptomatology: A Cognitive Model, Yu Ping Wong Jul 2022

The Influence Of Parental Psychological Control On Offspring Anxiety Symptomatology: A Cognitive Model, Yu Ping Wong

Dissertations and Theses Collection (Open Access)

Parental control has often been purported to be a risk factor for offspring anxiety. Recent studies however, identify that a particular dimension of control - parental psychological control - is an especially important contributor to anxiety. However, the mechanisms behind this relationship remain unknown. Thus, in this study, we seek to bridge this gap in the literature by examining whether a cognitive mechanism underlies this relationship. Drawing on Beck's model of emotional disorders, we propose that control- related beliefs and negative automatic thoughts would serially mediate the influence of psychological control on anxiety symptoms. Moreover, we sought to examine the …


Cross-Modal Perception Of Identity By Sound And Taste In Bottlenose Dolphins, Jason N. Bruck, Sam F. Walmsley, Vincent M. Janik May 2022

Cross-Modal Perception Of Identity By Sound And Taste In Bottlenose Dolphins, Jason N. Bruck, Sam F. Walmsley, Vincent M. Janik

Faculty Publications

While studies have demonstrated concept formation in animals, only humans are known to label concepts to use them in mental simulations or predictions. To investigate whether other animals use labels comparably, we studied cross-modal, individual recognition in bottlenose dolphins (Tursiops truncatus) that use signature whistles as labels for conspecifics in their own communication. First, we tested whether dolphins could use gustatory stimuli and found that they could distinguish between water and urine samples, as well as between urine from familiar and unfamiliar individuals. Then, we paired playbacks of signature whistles of known animals with urine samples from either the same …


The Influence Of Environmental Sounds On Cognition And Mood, Huda Ahmed May 2022

The Influence Of Environmental Sounds On Cognition And Mood, Huda Ahmed

Undergraduate Honours Theses

Exposure to nature has evidently been shown to benefit affective states and improve cognitive performance. Due to the predominant focus on the influence of immersive environments on restoration in prior research, the current study aimed to examine the extent to which nature-related benefits are linked to perceptual richness. The study consisted of 204 participants, recruited from Amazon Mechanical Turk. Participants were randomly assigned to listen to either unaltered nature sounds, unaltered urban sounds, degraded nature sounds, or degraded urban sounds. Participants completed the Auditory N-Back task, self-reported fatigue levels, and provided mood ratings prior to and after listening to the …


Effects Of Recess On Educational Outcomes In Elementary School Children, Katelyn Whitham May 2022

Effects Of Recess On Educational Outcomes In Elementary School Children, Katelyn Whitham

Health, Human Performance and Recreation Undergraduate Honors Theses

Introduction: Because physical activity is beneficial for physical and mental health, the declining opportunities to implement adequate recesses in schools are devastating for children. If educational outcomes are positively affected by increased recess time or quality, schools are more likely to receive funding for programs and resources that support this renovation to recesses, providing research in lacking topics. Purpose: The purpose of this systematic review is to find related, academic articles for cross examination of data collected on the effects that recess has on educational outcomes so that schools may use this as a resource to receive funding to increase …


Occupational Depression In A Spanish-Speaking Sample: Associations With Cognitive Performance And Work-Life Characteristics, Bianchi Renzo, Guadalupe Manzano García, Maria Pilar Montanes, Emily A. Schonfeld, Irvin Sam Schonfeld Apr 2022

Occupational Depression In A Spanish-Speaking Sample: Associations With Cognitive Performance And Work-Life Characteristics, Bianchi Renzo, Guadalupe Manzano García, Maria Pilar Montanes, Emily A. Schonfeld, Irvin Sam Schonfeld

Publications and Research

This 386-participant study investigated the structural and psychometric properties of the Spanish version of the Occupational Depression Inventory (ODI). Exploratory structural equation modeling bifactor analysis revealed that the ODI meets the requirements for essential unidimensionality. Measurement invariance held across our sample and the English- and French-speaking samples used in the ODI’s initial validation study. Mokken scale analysis indicated that (a) the scalability of the instrument was strong, (b) no violations of monotonicity or local independence were present, and (c) invariant item ordering was sufficiently accurate. The ODI’s reliability was optimal. The ODI exhibited both convergent validity and discriminant validity vis-à-vis …


The Lived Experience Of Individuals Thinking About Food And Coping With Stress, Tobi Martin Jan 2022

The Lived Experience Of Individuals Thinking About Food And Coping With Stress, Tobi Martin

Walden Dissertations and Doctoral Studies

Stress results in many people altering their eating patterns, often consuming food high in sugar and fat. Such behavior is a factor in the growing obesity epidemic and can potentially cause the development of chronic diseases, resulting in employment problems and billions of extra dollars spent on national health care programs. Researchers have focused on the concept of “emotional eating” while overlooking the overarching research question of this study, which was about exploring the experience of individuals using eating behavior as a coping mechanism to deal with stress. All responses were viewed through the lens of social cognitive theory. Interviews …


Mild Cognitive Impairment In Presurgical Deep Brain Stimulation For Parkinson's Disease, Elizabeth Roslyn Wallace Jan 2022

Mild Cognitive Impairment In Presurgical Deep Brain Stimulation For Parkinson's Disease, Elizabeth Roslyn Wallace

Theses and Dissertations--Psychology

Although clinically characterized by motor impairments, Parkinson's disease (PD) often affects cognition early in the disease course. Cognitive changes common in PD include visuospatial abnormalities and prominent executive function (EF) deficits, with 30% of individuals eventually developing Parkinson’s disease dementia (PDD). Mild cognitive impairment (MCI) has been identified as a transitional state between normal cognition and PDD. A large cohort of individuals with PD at the Kentucky Neuroscience Institute have undergone pre-surgical evaluations for deep brain stimulation, although cognitive performance in this cohort has never been probed. Baseline cognitive performance of this cohort from 2017-2020 was examined to characterize the …


Our Thoughts Matter: The Mental Health Of College Students During The Covid-19 Pandemic, Caitlin Zarzeczny Jan 2022

Our Thoughts Matter: The Mental Health Of College Students During The Covid-19 Pandemic, Caitlin Zarzeczny

UNF Graduate Theses and Dissertations

This study aimed to explore the mental health of undergraduate college students within the context of COVID-19 pandemic, as well as cognitions about health threat and engagement in protective health behaviors during the COVID-19 pandemic. Participants were (N = 276) undergraduate students attending the University of North Florida. Students completed a SONA systems survey between March 2021 and December 2021. Participants received course credit for completing the survey. Survey questions were taken from the Perceived Effectiveness of COVID-19 Prevention Effectiveness Protocols scale (Prasetyo et al., 2020). Three types of variables were assessed: demographics, perceived threat, and planned action. Correlational …


Parent Reports Of Executive Functions In Students With Learning Disability, Jane Roitsch, Annemarie L. Horn, Lisa Morin Jan 2022

Parent Reports Of Executive Functions In Students With Learning Disability, Jane Roitsch, Annemarie L. Horn, Lisa Morin

Communication Disorders & Special Education Faculty Publications

This study examines the results of the Behavior Rating Inventory of Executive Function (BRIEF-2) (Gioia et al., 2015) reported by parents of children with Specific Learning Disability (LD) and/or other comorbid disabilities. LD is most notably associated with comorbid attention deficit hyperactivity disorder (ADHD) (Alloway & Stein, 2014; Westby &Watson, 2004; Willcutt et al., 2013). A total of 43 parents completed the BRIEF-2 rating scale. Findings suggest children with LD and ADHD display greater challenges with inhibition, working memory, planning, along with greater challenges in organization and metacognition. Parents of children with LD reported their children have greater levels of …


Exploring The Association Between Female Infertility Stigma, Women’S Cognitions, And Coping Responses, Spencer Paige Brown Jan 2022

Exploring The Association Between Female Infertility Stigma, Women’S Cognitions, And Coping Responses, Spencer Paige Brown

PCOM Psychology Dissertations

Infertility is becoming a significant problem for many women around the globe. According to the World Health Organization (WHO), infertility impacts 186 million individuals worldwide. Women who experience infertility may be exposed to increased pressure from family and friends to get pregnant, feelings of isolation, and inadequacy. Both cultural and societal views that promote the connection between womanhood and motherhood may increase a woman’s negative view about herself due to her inability to conceive a child. The purpose of this study was to bring awareness about the impact that social stigma of infertility has on a woman’s cognitions and ability …


The Effect Of State/Trait Rumination On A Prospective Memory Task Delivered Remotely Using A Real-Time And Repeated Approach, Iulia Niculescu Jan 2022

The Effect Of State/Trait Rumination On A Prospective Memory Task Delivered Remotely Using A Real-Time And Repeated Approach, Iulia Niculescu

Electronic Theses and Dissertations

Background. Prospective memory (PM) refers to the intention to perform a future task held in memory that is executed without any explicit prompts. PM may be negatively impacted by depression, but the mechanisms that drive this association remain unclear. One idea is that rumination increases the frequency of task-irrelevant thoughts, depleting attentional capacity, and thereby reducing PM accuracy and increasing response times. To date, no studies have examined the effects of state and trait rumination on PM using online testing to collect real-time data over time. Objectives. To examine the effect of (1) state and (2) trait rumination on a …


Eye Movement And Pupil Measures: A Review, Bhanuka Mahanama, Yasith Jayawardana, Sundararaman Rengarajan, Gavindya Jayawardena, Leanne Chukoskie, Joseph Snider, Sampath Jayarathna Jan 2022

Eye Movement And Pupil Measures: A Review, Bhanuka Mahanama, Yasith Jayawardana, Sundararaman Rengarajan, Gavindya Jayawardena, Leanne Chukoskie, Joseph Snider, Sampath Jayarathna

Computer Science Faculty Publications

Our subjective visual experiences involve complex interaction between our eyes, our brain, and the surrounding world. It gives us the sense of sight, color, stereopsis, distance, pattern recognition, motor coordination, and more. The increasing ubiquity of gaze-aware technology brings with it the ability to track gaze and pupil measures with varying degrees of fidelity. With this in mind, a review that considers the various gaze measures becomes increasingly relevant, especially considering our ability to make sense of these signals given different spatio-temporal sampling capacities. In this paper, we selectively review prior work on eye movements and pupil measures. We first …


The Evolution Of Quantitative Sensitivity, Margaret A H Bryer, Sarah E. Koopman, Jessica F. Cantlon, Steven T. Piantadosi, Evan L. Maclean, Joseph M. Baker, Michael J. Beran, Sarah M. Jones, Kerry E. Jordan, Salif Mahamane, Andreas Nieder, Bonnie M. Perdue, Friederike Range, Jeffrey R. Stevens, Masaki Tomonaga, Dorottya Ujfalussy, Jennifer Vonk Jan 2022

The Evolution Of Quantitative Sensitivity, Margaret A H Bryer, Sarah E. Koopman, Jessica F. Cantlon, Steven T. Piantadosi, Evan L. Maclean, Joseph M. Baker, Michael J. Beran, Sarah M. Jones, Kerry E. Jordan, Salif Mahamane, Andreas Nieder, Bonnie M. Perdue, Friederike Range, Jeffrey R. Stevens, Masaki Tomonaga, Dorottya Ujfalussy, Jennifer Vonk

Jeffrey Stevens Publications

The ability to represent approximate quantities appears to be phylogenetically widespread, but the selective pressures and proximate mechanisms favouring this ability remain unknown. We analysed quantity discrimination data from 672 subjects across 33 bird and mammal species, using a novel Bayesian model that combined phylogenetic regression with a model of number psychophysics and random effect components. This allowed us to combine data from 49 studies and calculate the Weber fraction (a measure of quantity representation precision) for each species. We then examined which cognitive, socioecological and biological factors were related to variance in Weber fraction. We found contributions of phylogeny …


Avatars And Empathy: The Use Of Video Games To Affect Prejudicial Evaluations Of African Americans, Christopher J. Corr Jan 2022

Avatars And Empathy: The Use Of Video Games To Affect Prejudicial Evaluations Of African Americans, Christopher J. Corr

Master's Theses and Doctoral Dissertations

This research sought to test the relation between video game avatars (online representations of the self), empathy, social dominance orientation, and prejudice. By having participants imagine playing in a game as an avatar I sought to test three hypotheses. Th first hypothesis proposed that that participants would be more inclined to support policies regarding a specific racial group when imagining play as an avatar representing that group. The second hypothesis proposed that empathy would influence the connection between the avatar and participant race variables. The third, which was split into three parts, tested for a negative correlation between prejudice and …