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The aim of this case study was to help MH, a young adult male with Down syndrome, lose weight and improve his health. Initially he was morbidly obese, suffering from physical, mental, emotional, and health-related side effects. MH and his mother requested help from Dr. Shannon Ringenbach, and resided in

The aim of this case study was to help MH, a young adult male with Down syndrome, lose weight and improve his health. Initially he was morbidly obese, suffering from physical, mental, emotional, and health-related side effects. MH and his mother requested help from Dr. Shannon Ringenbach, and resided in Arizona for four months during the process of developing and implementing a program of diet and exercise for him. We created a plan to maximize weight loss in this short period of time. Overall, MH reduced his weight from 276 lbs. to 217 lbs. in four months, his lowest weight being 201 lbs. after he and his mother returned home to Oregon. This is a 75 lb. weight loss and body mass index (BMI) reduction of 13.7 kg/m2. Although to reach a healthy body weight MH would still need to continue his weight loss, this is a significant amount of weight, which is especially difficult for people with Down syndrome to lose. In this case study it was crucial to take into consideration the other aspects that affect weight gain and loss, such as motivation, family life, diet, and lifestyle.
ContributorsBrennan, Julia (Co-author) / Wright, Berlin (Co-author) / Ringenbach, Shannon (Thesis director) / Shaibi, Gabriel (Committee member) / Chen, Chih-Chia (Committee member) / Barrett, The Honors College (Contributor) / School of Nutrition and Health Promotion (Contributor)
Created2013-05
Description
The need to fully understand the possible consequences of young-adult cannabis use has become increasingly critical as a result of major cannabis policy changes. The purpose of this study was to determine if young-adult users exhibit cognitive deficits on laboratory-based tests and memory and attention deficits in everyday life. Participants

The need to fully understand the possible consequences of young-adult cannabis use has become increasingly critical as a result of major cannabis policy changes. The purpose of this study was to determine if young-adult users exhibit cognitive deficits on laboratory-based tests and memory and attention deficits in everyday life. Participants were 152 students from a large U.S. university enrolled in introductory psychology courses and the top and bottom 10% of the 12-item Yale University PRIME Screening Test for psychotic-like experiences. Participants were asked about their cannabis use and were given six cognitive tests spanning executive function and memory. To test functional impairment in memory and attention, participants were asked to nominate informants (people who knew them well) and these rated the participants on an attention problems scale of four items and a memory problems scale of three items. Results showed that individuals who used cannabis more frequently were rated as having more attention and memory problems and that, consistent with prior research, more frequent cannabis use was associated with worse memory test performance, though the association was not present between frequency of use and executive function test performance. Additionally, it was found that informant-reported attention problems were associated with poorer performance on two of the executive function cognitive tests. The present findings suggest that individuals who use cannabis more frequently experience noticeable memory and attention problems in everyday life, despite the lack of significant correlation between this functional impairment and cognitive test performance. Informant reports, therefore, may be useful in future research for understanding or predicting cognitive impairment in young adults.
ContributorsCarbajal, Lucia (Author) / Meier, Madeline (Thesis director) / McClure, Samuel (Committee member) / Department of Psychology (Contributor) / School of Molecular Sciences (Contributor) / Barrett, The Honors College (Contributor)
Created2016-12
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Description
Cannabis use has been purported to cause an amotivation-like syndrome among users. The purpose of this study was to investigate whether third party observers noticed amotivation among cannabis users. Participants in this study were 72 undergraduate university students, with a mean age of M=19.20 years old (SD=2.00). Participants nominated Informants

Cannabis use has been purported to cause an amotivation-like syndrome among users. The purpose of this study was to investigate whether third party observers noticed amotivation among cannabis users. Participants in this study were 72 undergraduate university students, with a mean age of M=19.20 years old (SD=2.00). Participants nominated Informants who knew them well and these informants completed a version of the 18-item Apathy Evaluation Scale. Results indicated that more frequent cannabis use was associated with higher informant-reported levels of amotivation, even when controlling for age, sex, psychotic-like experiences, SES, alcohol use, tobacco use, other drug use, and depression symptoms (β=0.34, 95% CI: 0.04, 0.64, p=.027). A lack of motivation severe enough to be visible by a third party has the potential to have negative social impacts on individuals who use cannabis regularly.
ContributorsWhite, Makita Marie (Author) / Meier, Madeline (Thesis director) / Glenberg, Arthur (Committee member) / Pardini, Dustin (Committee member) / School of Art (Contributor) / Department of Psychology (Contributor) / Barrett, The Honors College (Contributor)
Created2016-12
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Description
The aim of this study is to evaluate whether or not fitness can be determined using a well-researched six minute walk test (6MWT) in a young adult population with Down syndrome (DS). This holds importance in today's health industry because this particular target group is at high risk for several

The aim of this study is to evaluate whether or not fitness can be determined using a well-researched six minute walk test (6MWT) in a young adult population with Down syndrome (DS). This holds importance in today's health industry because this particular target group is at high risk for several cardiovascular, cognitive and clinical factors that contribute to their well-being and longevity. As well, the findings of this research could potentially contribute to the low volume of research that currently exists regarding fitness and the DS population and provide pertinent knowledge towards intervention programs. Fourteen participants with DS performed one 6MWT at a self-selected rate during an exercise intervention study to assess physical fitness. The results showed that walk distance increased with decreased BMI and walk distance increased with increased walking speed and increased leisure activity. These findings are clear indicators of physical fitness relating to healthy physical behavior. All results were consistent with past research in specific at-risk health related populations. This data suggests that this physical test is an adequate indicator of fitness levels in populations with DS, which may additionally provide explicit avenues for intervention and treatment to improve health.
ContributorsMoss Hunt, Lauren Charlie (Author) / Ringenbach, Shannon (Thesis director) / Shaibi, Gabriel (Committee member) / Maraj, Brian (Committee member) / Barrett, The Honors College (Contributor) / School of Nutrition and Health Promotion (Contributor)
Created2013-05