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The main objective of this study is to assess the effectiveness of four Total Brain Health educational programs, TBH Brain Workout (1.0 and 2.0) and TBH Memory (1.0 and 2.0), in older adults residing in independent living facilities through the Acts Center for Applied Research (ACAR). Each TBH program trains for lifestyle intervention skills across the wellness spectrum shown by research to promote cognitive performance and reduce dementia risk, using social-based training methods, and experiential learning activities. Each TBH program also has two levels of difficulty (1.0 and 2.0), which will be assessed in independent groups. Each independent living community will administer one TBH program at a time such that participants will be randomly assigned to one of three categories: 1) one of the four educational programs, 2) an active book club that will read and discuss on tips to improve one's brain health, and 3) a wait-list control group. All groups other than the wait-list control group will have 8 sessions across 2 months. The older adults who agree to be a part of the research will be asked to fill out a survey at pre-intervention, post-intervention 1 (immediate), and post-intervention 2 (2 months). We predict that the participants in the TBH Brain Workout and TBH Memory programs (all difficulty levels) will have a greater knowledge about brain health, improved subjective appraisals of their memory, improved social outcomes, lower depression, and reduced dementia risk compared with the two control groups. The investigators predict that the active book club control will differ on brain health knowledge than the wait-list control group. Due to the more cognitively challenging nature of the harder TBH programs, the investigators also predicted that the harder versions would have greater improvement in brain health knowledge and improved subjective appraisals of their memory than the easier versions.
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Current evidence suggests that behavioral lifestyle modifications may improve everyday cognitive performance, thereby reducing dementia risk. The main objective of this study is to assess the effectiveness of four Total Brain Health educational programs, TBH Brain Workout (1.0 and 2.0) and TBH Memory (1.0 and 2.0), in older cognitively independent adults residing in independent living facilities through the Acts Center for Applied Research (ACAR). Each TBH program trains skills across the wellness spectrum demonstrated to impact cognitive risk, use social-based training methods, and has experiential learning activities. Each of the two TBH educational programs has two levels of difficulty. The TBH Brain Workout program will consist of 8 sessions that covers topics to encourage engagement in interventions shown to impact cognitive performance, including those to enhance intellectual (e.g., how to focus attention), physical (e.g., how to eat healthy), and socio-emotional (e.g., how to stay socially engaged) well-being. The TBH Memory program will consist of 8 sessions that covers education on how memory works, what environmental factors impact memory, and memory strategies. Participants in both TBH programs will be guided through activities with a trainer, but also will have active learning activities that will include teaching others (collaborative learning), competitive teams, and whole class activities. The more challenging versions of each program (level 2.0) will also include "challenge" activities that encourage them to engage daily in an activity that requires movement, an activity that requires giving thanks, or an activity than requires mental stimulation. Participants will log which challenge activities they engaged in each week. The Book Club will be given a book to read on how to improve brain health and will discuss separate chapters across 8 sessions. These sessions will be led by the participants and no formal structure will be provided. No personal challenges will be asked of participants and no log will be required. All groups will have a sign-in sheet to record individual participation.
Each independent living community will administer one TBH program at a time such that participants will be randomly assigned to one of three categories: 1) one of the four educational programs, 2) an active "book club" that will read and discuss on tips to improve one's brain health, and 3) a wait-list control group. The older adults who agree to be a part of the research will be asked to fill out a survey at pre-intervention, post-intervention 1 (immediate), and post-intervention 2 (2 months). We predict that the participants in the TBH Brain Workout and TBH Memory programs (all difficulty levels) will have a greater knowledge about brain health, improved subjective appraisals of their memory, improved social outcomes, lower depression, and reduced dementia risk compared with the two control groups. We predict that the active book club control will differ on brain health knowledge than the wait-list control group. Due to the more cognitively challenging nature of the harder TBH programs, we also predicted that the harder versions would have greater improvement in brain health knowledge and improved subjective appraisals of their memory than the easier versions.
Power was calculated using the Bias- and Uncertainty-Corrected Sample Size (BUCCS) R package. This package was used because it allowed us to use effect sizes from a pilot study while considering bias and uncertainty in finding a similar effect size. Our pilot study used pre and post-test data from the Brain Health Fund of Knowledge Questionnaire (one of our primary outcome measures) in which we combined two active intervention groups that had earlier versions of the Total Brain Workout 1.0 and Memory 1.0 classes. The pilot data resulted in an F-value of 18.50 (effect size f = .56) from 67 total participants. Our alpha level was set to .0025 to consider a) new recommendations to set a generic alpha level to .005 and b) multiple comparisons corrections for our two primary outcome variables (i.e., Brain Health Fund of Knowledge Questionnaire and Potential for Improvement). The level of assurance and power was set to .8. Using two time points with these parameters, it was estimated that the investigators would need 49 participants per group to detect a significant effect.
Our plan is to recruit at least 49 participants from each of the six groups (four active and two control) through the through ACAR. Participation will be open for all independent living residents from January 2018 to January 2020. Participants will be aged 60 and older who have not been diagnosed with a memory disorder and are not currently engaging in other cognitive or brain training research. If the investigators are unable to reach our recruitment goals by January 2020, they will average together the 1.0 and 2.0 groups within each TBH program to achieve our desired sample size.
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294 participants in 6 patient groups
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Ian M McDonough, PhD; Carpantato Myles, MSM, CIM, CIP
Data sourced from clinicaltrials.gov
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