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The Effects of Working Memory Training and Encoding Strategy on Working Memory CapacityTuthill, Frank 01 June 2018 (has links)
Undergraduate students from California State University, San Bernardino were recruited to examine the effects of working memory training and encoding strategy upon working memory capacity. Participants will be prescreened for low working memory capacity, and then will be tested on a battery of complex span measures. Participants will be divided into several strategy conditions: rehearsal, visual, and control. Then participants will be tested on their verbal working memory both before and after the 20 session n-back working memory training program. Participants are predicted to do the same or worse with the strategy instruction before working memory training while they will improve after training in comparison to control groups. The effects of strategy and training upon working memory capacity were nonsignificant. However, the direction of group differences is consistent with the maximization of individual differences with strategy instruction while cognitive training minimizes individual differences.
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Dose-Response Effects of Working Memory Training Among Adolescents with Type 1 DiabetesMansoor, Marrium 02 1900 (has links)
Type 1 diabetes (T1D) is a chronic disease that is due to the dysregulation of glucose in the blood when insulin is not made endogenously. Patients rely on a combination of exogenic insulin, medications, blood glucose monitoring, and healthy lifestyle activities such as dietary control and exercise to manage their blood glucose levels. T1D typically begins its onset during childhood or adolescence, where it may also affect the development of executive function (EF) processes which are also relevant for self-regulation, or goal-directed behavior. This in turn may affect individuals’ adherence to their T1D management regimens, which can result in severe short- and long-term complications. Despite evidence for the plasticity of EF during childhood, previous research has not frequently focused on EF or self-regulation (SR) as a possible mechanism for improving health outcomes in adolescents with T1D. This study focused on the dosage of EF training and its possible effects on both cognitive and health outcomes for 47 adolescents (M= 15.4, SD =1.45) with T1D undergoing a larger adherence intervention. EF was measured by the Digit Span and Go/No-Go tests, while composite measures of T1D treatment adherence were aggregated via separate parent and adolescent reports. It was hypothesized that both cognitive measures and treatment adherence would have a dose-dependent relationship with n-back training. However, no association was found between training dosage and EF outcomes or treatment adherence. The study’s limitations include a relatively small sample size along with low participant compliance for the EF training. It also might be that the relationship between EF, SR, and health behaviors is more nuanced than previously suggested and that there are a variety of reasons why dosage of training was not linked to differential outcomes. As such, further investigation is required to better understand this relationship in the search for effective interventions for health behavior. / M.S. / Adolescents with Type 1 Diabetes often demonstrate difficulty following their diabetes management plans. One potential reason for these challenges may be that their self-regulation (the ability to intentionally direct their behavior towards a goal) is still developing. This study examined whether there was a dose-response relationship between a cognitive intervention aimed at increasing cognition/self-regulation as well as adherence to diabetes management regimens. The sample included 47 adolescents whose mean age was 15 years. Overall, no effect of dosage of cognitive training was observed on the adolescents' cognitive performance or diabetes management adherence. Reasons for this finding include the study's small sample size, low participation in the cognitive training, or a more nuanced relationship between self-regulation and health behavior.
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