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Articles 1 - 16 of 16
Full-Text Articles in Psychology
The Famous Names Discrimination Task As A Biomarker Of Alzheimer's Disease Risk: An Erp Study, Elizabeth Rose Paitel
The Famous Names Discrimination Task As A Biomarker Of Alzheimer's Disease Risk: An Erp Study, Elizabeth Rose Paitel
Master's Theses (2009 -)
Current ERP research emphasizes age- and pathology-related declines in neural processing in the form of attenuated amplitudes and prolonged latencies. Notably, there is a gap in the ERP literature regarding neural processing trajectories in the time between healthy young adulthood and clinical MCI/AD samples. fMRI research, however, has demonstrated periods of increased, compensatory activation in healthy, cognitively intact APOE ɛ4 carriers both during resting state and event-related tasks (Bondi, Houston, Eyler, & Brown, 2005; Evans et al., 2014; Filippini et al., 2009; Rao et al., 2015), consistent with compensatory theories of cognitive aging (Cabeza, 2002; Park & Reuter-Lorenz, 2009; Reuter-Lorenz …
Cognitive Impairment, Depression, Anxiety, And Personality And Ms Patient Estimations Of Memory Function, Jordan Charboneau
Cognitive Impairment, Depression, Anxiety, And Personality And Ms Patient Estimations Of Memory Function, Jordan Charboneau
Dissertations (1934 -)
Multiple Sclerosis (MS) is an autoimmune disease of unknown etiology, characterized by a wide range of physical, cognitive, psychological, and behavioral symptoms. To effectively diagnose and treat MS, clinicians rely on patient reports of function to help identify and treat their problems (Kinsinger, Lattie, & Mohr, 2010). Specifically, self-reports of cognitive symptoms are a valuable source of information upon which clinicians depend (Van der Hiele, Spliethoff-Kamminga, Ruimschotel, Middelkoop, & Visser, 2012). While patient reports of cognitive functioning, including memory, are important, there has been substantial debate about the accuracy of such information. The present study investigated the association between general …
Biculturalism, Bilingualism, & Executive Function Among U.S. Latinos: Implications For Cognitive Reserve, Leticia G. Vallejo
Biculturalism, Bilingualism, & Executive Function Among U.S. Latinos: Implications For Cognitive Reserve, Leticia G. Vallejo
Dissertations (1934 -)
The current study was an exploratory investigation of the cultural constructs of biculturalism and bilingualism as predictors of executive function among a community-based sample of 25 older adult Latinos living in the U.S. The potential moderating effects of education and bicultural identity integration were also examined. Using regression analyses, biculturalism and bilingualism were examined independently as predictors of performance on three separate tasks of executive function: trail making tests, a phonemic fluency task, and a clock drawing task. Bilingualism was not found to predict performance on any of the executive functioning tasks. In the overall sample, biculturalism also was not …
Aging, Executive Function, Fronto-Parietal Network Cortical Thickness: Insights From Cognitive Reserve, Katherine Reiter
Aging, Executive Function, Fronto-Parietal Network Cortical Thickness: Insights From Cognitive Reserve, Katherine Reiter
Dissertations (1934 -)
Cognitive reserve (CR) indexes the nonlinear relationship between neurological insult and behavioral change. CR is manifested in both static factors (e.g., childhood environment, education) and modifiable lifestyle factors, (e.g., leisure activities). Detailed investigation of the influence of CR on cortical thickness, which indexes neuropathology, and cognitive functioning could be particularly important in understanding the heterogeneity of Alzheimer’s disease (AD). While memory decline is the hallmark of AD, executive functioning (EF) decline often predates memory changes, making EF an important target for investigating CR influences. The current study examines the relationship of CR and genetic risk for AD (ε4) on EF …
A Statistical Examination Of Impaired Performances Across Concussion Screening Instruments, Kathryn Ann Ritchie
A Statistical Examination Of Impaired Performances Across Concussion Screening Instruments, Kathryn Ann Ritchie
Master's Theses (2009 -)
It is well documented that healthy individuals routinely obtain impaired scores on neuropsychological tests, which confounds the differential diagnosis process. Relatively little is known regarding the rates at which healthy individuals obtain impaired scores on measures that are used to detect cognitive symptoms associated with sports related concussion (SRC). The current study generated expected rates of impaired performance on the Standardized Assessment of Concussion (SAC), the Automated Neuropsychological Assessment Metrics Sports Battery (ANAM), Immediate Post-Concussion and Cognitive Testing (ImPACT), and Axon Sports (Axon) neurocognitive measures by conducting Monte Carlo analyses using data obtained from a large normative sample of amateur …
Implicit Regulation Of Emotion: Priming Non-Conscious Reappraisal And Suppression During Stress, Sydney Clare Timmer-Murillo
Implicit Regulation Of Emotion: Priming Non-Conscious Reappraisal And Suppression During Stress, Sydney Clare Timmer-Murillo
Master's Theses (2009 -)
As individuals experience the world, they must also appropriately modulate their responses to fit their environment. The manner in which one regulates their emotion can vary greatly and influence a number of factors, including self-reported affect and respiratory sinus arrhythmia (RSA). The majority of research on emotion regulation examines the deliberate, or explicit, regulation of emotion. However, the automatic or implicit regulation of emotion is an important cognitive process that yields several benefits. Recent research demonstrates benefits of using implicit reappraisal; however, no work has been done to examine other implicit strategies. The current study primed implicit reappraisal and suppression …
Objective And Subjective Influences On Cognitive Performance In Adolescents With Type 1 Diabetes, Natalie E. Benjamin
Objective And Subjective Influences On Cognitive Performance In Adolescents With Type 1 Diabetes, Natalie E. Benjamin
Master's Theses (2009 -)
Type 1 diabetes mellitus (T1DM) is an increasingly common chronic illness in children and adolescents that can result in short- and long-term health complications. Disease management can be a particular challenge for adolescents seeking autonomy from caregivers. Recently, there has been a significant increase in adolescents’ use of diabetes-related technology to aid in blood glucose (BG) management and insulin administration. Individuals with T1DM also experience symptoms related to their BG levels, and these symptoms can serve as indicators of out-of-range BG levels and guide management decisions. Although research shows that diabetes-related health factors can affect cognitive functioning, no existing research …
The Impact Of Balance Disturbance On Cognition, Erin Quasney
The Impact Of Balance Disturbance On Cognition, Erin Quasney
Dissertations (1934 -)
There have been remarkable gains within the scientific literature over the last few decades contributing to our understanding of the sequelae, recovery, and treatment of mild traumatic brain injury (mTBI), yet our knowledge of relationships among symptoms remains elementary in comparison. Cognitive and balance deficits are two of the most prevalent consequence of mTBI. There is some indication that a challenge to one or both of these functions can result in cognitive detriments due to constraints on attentional capacity. However, the evidence remains both conflicting and sparse. This study examined the impact of increasing balance challenge on attention and working …
Reinforcement Learning, Error-Related Negativity, And Genetic Risk For Alzheimer's Disease, Christina Marie Figueroa
Reinforcement Learning, Error-Related Negativity, And Genetic Risk For Alzheimer's Disease, Christina Marie Figueroa
Dissertations (1934 -)
Reinforcement learning (RL) has been widely used as a model of animal and human learning and decision-making. The neural networks underlying RL involve many of the same structures primarily affected by Alzheimer’s disease (AD) such as the hippocampus. Yet, RL and non-invasive evaluation of its neural underpinnings have been underutilized as a framework for understanding disease pathology and its pre-clinical states. This study aimed to provide a novel approach for assessing subtle changes in asymptomatic apolipoprotein-E (APOE) carriers and non-carriers. Electroencephalography was collected from forty APOE genotyped older adults (Male n = 11; Mage = 79.30; Meducation = 14.88 years) …
Acute Stress Exposure And Expression Of Instrumentally Conditioned Financial Preferences: An Fmri Study, William Travis Mccuddy
Acute Stress Exposure And Expression Of Instrumentally Conditioned Financial Preferences: An Fmri Study, William Travis Mccuddy
Master's Theses (2009 -)
Recent research suggests acute stress exposure is associated with increased habit-based over goal-oriented decision making (e.g., Schwabe & Wolf, 2011). The current study examined whether acute stress promotes the expression of simple financial preferences “overtrained” to the point of habit in the face of a changing environment where said preferences were later rendered non-optimal. Over three days participants (N = 28) learned to discriminate between visual stimuli probabilistically associated with monetary gains or losses and made decisions between stimuli with real financial outcomes. On the fourth day after exposure to either an acute stressor or control procedure participants performed the …
Video Game Interventions To Improve Cognition In Older Adults, David E. C. Marra
Video Game Interventions To Improve Cognition In Older Adults, David E. C. Marra
Master's Theses (2009 -)
Cognitive abilities decline as part of the normal aging process. Various non-pharmacological interventions are being studied in an effort to ameliorate this cognitive decline. Some of these interventions include computerized cognitive training, such as neuropsychological software (i.e., brain training games) and video games. A previous study in our lab found that older adults who played a brain training game or a video poker game showed similar cognitive gains. The purpose of the present study was to follow the methodological procedures of our previous study to try and determine if the positive effects seen for the brain training program and video …
Invariant Two Component Structure Of The Rbans, Elisabeth M. Vogt
Invariant Two Component Structure Of The Rbans, Elisabeth M. Vogt
Master's Theses (2009 -)
The Repeatable Battery for the Assessment of Neuropsychological Status (RBANS: Randolph, 1998, 2012) is a brief neurocognitive instrument used to evaluate cognitive functioning in clinical settings. While this test is used regularly, investigation of the factor structure has resulted in inconsistent findings across samples. It was hypothesized that inconsistent RBANS dimensional structures are the result of methodological differences and not solely due to unique sample characteristics. The present study utilized empirically supported extraction criteria (Parallel Analysis; Minimum Average Partial Procedure) and uniformly investigated five samples. RBANS data from four samples were previously published (Carlozzi, Horner, Yang, & Tilley, 2008; Duff, …
The Effects Of Emotional Arousal On False Recognition In Alexithymia, Anthony N. Correro
The Effects Of Emotional Arousal On False Recognition In Alexithymia, Anthony N. Correro
Master's Theses (2009 -)
Alexithymia is a personality trait characterized by difficulties identifying feelings, difficulties describing feelings, and an externally oriented thinking style (EOT). Further, individuals with alexithymia experience chronic physiological arousal. Prior research has shown that non-clinical participants with alexithymic traits cannot subjectively recognize increased arousal in response to viewing an arousing video. Yet, these individuals will still experience physiological arousal and will still have arousal-induced memory modulation. No studies to date have examined arousal effects on false memory in alexithymia. The Deese-Roediger-McDermott (DRM) paradigm examines false memory by introducing words associated with a non-presented `theme' word (i.e., critical lure) as memoranda, which …
Reinforcement Learning In Individuals At Risk For Alzheimer's Disease, Christina Marie Figueroa
Reinforcement Learning In Individuals At Risk For Alzheimer's Disease, Christina Marie Figueroa
Master's Theses (2009 -)
Explicit memory is the hallmark of impairment in Alzheimer’s disease (AD) while implicit memory has mixed task-dependent results. Models of memory processes have posited that hippocampal function is sensitive to reinforcement learning (RL), which involves both explicit and implicit memory. The hippocampus is also vital for the transfer of learned associations to novel situations. Nevertheless, RL paradigms have been underutilized in assessing memory processes in individuals at risk for AD, which may aid in early identification of cognitive decline. Thirty-six apolipoprotein-E (APOE) genotyped older adults (Male n=8; Mage=80; Meducation=15 years) performed word stem completion, word recognition, and RL tasks. The …
Does Motor Development Influence Language Development?, Melissa Behrens, Jaimie Hauch
Does Motor Development Influence Language Development?, Melissa Behrens, Jaimie Hauch
Counselor Education and Counseling Psychology Research Exchange Conference
The emergence of language in infants is one of biggest achievements in their first two years of life. At the present, there is a great deal of information available regarding the precursors that influence the onset of language in both typically and atypically developing children. It is commonly acknowledged that achievements in cognitive development during these stages of life widely influence the emerging language system. However, one of the other precursors that require additional attention is motor development. The implications that this system has on future language development is something that needs further consideration in the study of both typically …
Neural Dedifferentiation In Relation To Risk For Alzheimer's Disease, Nathan C. Hantke
Neural Dedifferentiation In Relation To Risk For Alzheimer's Disease, Nathan C. Hantke
Master's Theses (2009 -)
Functional magnetic resonance imaging (fMRI) research indicates that as an individual's age increases, the task-related spatial extent of neural activation increases. This decrease in neural specificity, or dedifferentiation, is often demonstrated by older adults during challenging cognitive tasks. Cognitively intact individuals at-risk for Alzheimer's disease (AD), as deemed by having an apolipoprotein-E ε4 allele or a family history of AD, demonstrate increased fMRI activation as compared to individuals at lower risk. Using a low effort, high accuracy event-related semantic memory task involving the presentation of famous and non-famous names, we examined spatial neural specificity through a measure of dedifferentiation using …