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Gagnon-Roy M, Bier N, Le Dorze G, Boulé-Riley S, Paquette G, Couture M, Bottari C. Cognitive assistance to support individuals with traumatic brain injury using a minimal and personalised approach: A conversion mixed methods study using video analysis. Aust Occup Ther J 2024; 71:35-51. [PMID: 37799014 DOI: 10.1111/1440-1630.12906] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 09/06/2023] [Accepted: 09/09/2023] [Indexed: 10/07/2023]
Abstract
INTRODUCTION Individuals with traumatic brain injury (TBI) frequently need assistance to manage complex everyday activities. However, little is known about the types of cognitive assistance that can be used to facilitate optimal independence. A conversion mixed method study using video analysis was conducted to describe assistance provided by trained occupational therapists during three everyday tasks carried out in the participants' homes and surrounding environments. METHODS Forty-five people with moderate and severe TBI were tested by three occupational therapists using the Instrumental Activities of Daily Living Profile, an observation-based assessment that documents independence in complex everyday activities and the minimal assistance required to attain task goals. Using video analysis, difficulties experienced by the people with TBI during a meal preparation and grocery shopping task, and the cognitive assistance provided by the occupational therapists in response to these difficulties, were documented. Statistical analyses were also completed to identify the main difficulties and types of cognitive assistance provided during the evaluation, for the whole group and depending on their level of independence. RESULTS Nine types of cognitive assistance were used by occupational therapists, including implicit (stimulating thought processes), and more explicit assistance (cueing), to facilitate task performance. When needed, motivational assistance, which consisted of encouraging participants to think for themselves, was also used. Stimulating thought processes was mostly used to support goal formulation and planning, whereas cueing was used in numerous instances. Participants with lower levels of independence received more assistance of almost all types to support them. CONCLUSION Using these findings, training could be developed for caregivers and occupational therapists to support them in providing minimal and personalised cognitive assistance. Further research is needed to examine the extent to which all types of cognitive assistance are effective in helping various cognitive profiles of people with TBI attain optimal independence.
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Affiliation(s)
- Mireille Gagnon-Roy
- School of Rehabilitation, Université de Montréal, Montréal, Québec, Canada
- Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal, Institut universitaire sur la réadaptation en déficience physique de Montréal du CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montréal, Québec, Canada
| | - Nathalie Bier
- School of Rehabilitation, Université de Montréal, Montréal, Québec, Canada
- Centre de recherche de l'Institut universitaire de gériatrie de Montréal, Montréal, Québec, Canada
| | - Guylaine Le Dorze
- Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal, Institut universitaire sur la réadaptation en déficience physique de Montréal du CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montréal, Québec, Canada
- School of Speech-Language Pathology and Audiology, Université de Montréal, Montréal, Québec, Canada
| | - Stéphanie Boulé-Riley
- School of Rehabilitation, Université de Montréal, Montréal, Québec, Canada
- Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal, Institut universitaire sur la réadaptation en déficience physique de Montréal du CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montréal, Québec, Canada
| | - Guillaume Paquette
- Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal, Institut universitaire sur la réadaptation en déficience physique de Montréal du CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montréal, Québec, Canada
| | | | - Carolina Bottari
- School of Rehabilitation, Université de Montréal, Montréal, Québec, Canada
- Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal, Institut universitaire sur la réadaptation en déficience physique de Montréal du CIUSSS du Centre-Sud-de-l'Île-de-Montréal, Montréal, Québec, Canada
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Clark AL, Weigand AJ, Clay OJ, Owens J, Fiala J, Crowe M, Marsiske M, Thomas KR. Associations between social determinants of health and 10-year change in everyday functioning within Black/African American and White older adults enrolled in ACTIVE. ALZHEIMER'S & DEMENTIA (AMSTERDAM, NETHERLANDS) 2022; 14:e12385. [PMID: 36514539 PMCID: PMC9732812 DOI: 10.1002/dad2.12385] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 10/31/2022] [Accepted: 11/10/2022] [Indexed: 12/13/2022]
Abstract
Introduction Given prior work showing racial differences on baseline social determinants of health (SDoH) and 10-year trajectories of everyday functioning, we examined associations between SDoH and longitudinal everyday functioning performance in Black/African American and White older adults. Methods Participants were 2505 older adults (Mage = 73.5; 28% Black/African American) without dementia. SDoH included economic stability/status, education access/quality, health-care access, neighborhood/built environment, and social/community contexts. The Observed Tasks of Daily Living (OTDL) measured everyday functioning and was administered at baseline and 1-, 2-, 3-, 5-, and 10-year visits. Results Across the sample, social and community context and economic stability/status were associated with steeper age-related OTDL declines (βs = 0.05 to 0.07, Ps < 0.001). Lower levels of social and community context (β = 0.08, P = 0.002) and economic stability/status (β = 0.07, P = 0.04) were associated with OTDL linear age declines in Black/African American participants, but not in White participants (Ps > 0.30). Discussion Inequities across SDoH accelerate age-related declines in everyday functioning among Black/African American older adults.
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Affiliation(s)
- Alexandra L. Clark
- Department of PsychologyCollege of Liberal ArtsUniversity of Texas at AustinAustinTexasUSA
| | - Alexandra J. Weigand
- Department of PsychiatrySchool of MedicineUniversity of California, San DiegoLa JollaCaliforniaUSA
| | - Olivio J. Clay
- Department of Psychology, College of Arts and SciencesUniversity of Alabama at BirminghamBirminghamAlabamaUSA
| | - Joshua Owens
- Department of Clinical and Health Psychology, College of Public Health and Health ProfessionsUniversity of FloridaGainesvilleFloridaUSA
| | - Jacob Fiala
- Department of Clinical and Health Psychology, College of Public Health and Health ProfessionsUniversity of FloridaGainesvilleFloridaUSA
| | - Michael Crowe
- Department of Psychology, College of Arts and SciencesUniversity of Alabama at BirminghamBirminghamAlabamaUSA
| | - Michael Marsiske
- Department of Clinical and Health Psychology, College of Public Health and Health ProfessionsUniversity of FloridaGainesvilleFloridaUSA
| | - Kelsey R. Thomas
- Department of PsychiatrySchool of MedicineUniversity of California, San DiegoLa JollaCaliforniaUSA
- Research Services, VA San Diego Healthcare System (VASDHS)San DiegoCaliforniaUSA
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Gagnon-Roy M, Bier N, Boulé-Riley S, Keurentjes H, Lam Wai Shun P, Le Dorze G, Bottari C. Providing Verbal Assistance When Assessing Individuals Living with a Traumatic Brain Injury. Can J Occup Ther 2021; 88:306-318. [PMID: 34463153 PMCID: PMC8640272 DOI: 10.1177/00084174211034263] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
Background. Occupational therapists play a major role in identifying the assistance needs of individuals living with a traumatic brain injury. However, to obtain an accurate assessment, verbal assistance should be provided only when necessary, according to the person's needs. Purpose. This study aimed to understand (1) how verbal assistance is provided during an evaluation of Instrumental Activities of Daily Living and (2) why it is provided in this manner. Method. Interviews were conducted with three expert occupational therapists using their own videotaped evaluation and a "think-aloud" method to explore their clinical reasoning when providing verbal assistance. Data were analyzed using thematic analysis. Findings. The process of providing verbal assistance was recognized as flexible and nonlinear, and influenced by various factors including the participants' level of understanding of the client's abilities. Implications. This information will help therapists better understand how and when to provide verbal assistance when assessing their clients.
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Affiliation(s)
- Mireille Gagnon-Roy
- Mireille Gagnon-Roy, Rehabilitation Sciences Program, Université de Montréal (UdeM), 7077 Av. Du Parc, Montreal, H3N 1X7, Canada and Student Member, Centre for Interdisciplinary Research in Rehabilitation of Greater Montreal (CRIR)/Institut universitaire sur la réadaptation en déficience physique de Montréal (IURDPM), CIUSSS du Centre-Sud-de-l'Île-de-Montréal, 6363 Ch. Hudson, Montréal, H3S 1M9, Canada.
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Evans N, Boyd H, Harris N, Noonan K, Ingram T, Jarvis A, Ridgers J, Cheston R. The experience of using prompting technology from the perspective of people with Dementia and their primary carers. Aging Ment Health 2021; 25:1433-1441. [PMID: 32223428 DOI: 10.1080/13607863.2020.1745145] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
OBJECTIVES People who are living with dementia typically experience difficulties in completing multi-step, everyday tasks. However, digital technology such as touchscreen tablets provide a means of delivering concise personalised prompts that combine audio, text and pictures. This study was one component of a broader, mixed methods study that tested how an application (app) -based prompter running on a touchscreen tablet computer could support everyday activities in individuals with mild to moderate dementia. In this study we set out to understand the experiences of people living with dementia and their primary carer in using the prompter over a four-week period. METHOD We collected qualitative data using semi-structured interviews from 26 dyads, composed of a person living with dementia and their carer. Dyads were interviewed at the start and end of this period. Transcripts were then analysed using thematic analysis. RESULTS The study identified three overarching themes related to: participants' attitudes towards the technology; their judgements about how useful the prompter would be; and the emotional impact of using it. CONCLUSION Consistent with the Technology Acceptance Model, carers and participants were influenced by their approaches to technology and determined the usefulness of the prompter according to whether it worked for them and fitted into their routines. In addition, participants' decisions about using the prompter were also determined by the extent to which doing so would impact on their self-identity.
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Affiliation(s)
- N Evans
- Designability, Wolfson Centre, Royal United Hospital, Bath, UK
| | - H Boyd
- Designability, Wolfson Centre, Royal United Hospital, Bath, UK
| | - N Harris
- Department for Health, University of Bath, Bath, UK
| | - K Noonan
- School of Social and Community Medicine, University of Bristol, Bristol, UK
| | - T Ingram
- Department for Health, University of Bath, Bath, UK
| | - A Jarvis
- Research Institute for the Care of Older People, the RICE Centre, Royal United Hospital, Bath, UK
| | - J Ridgers
- Designability, Wolfson Centre, Royal United Hospital, Bath, UK
| | - R Cheston
- Health and Social Sciences, University of the West of England, Bristol, UK
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Gómez CS, Rodríguez EJF. The effectiveness of a training programme in everyday cognition in healthy older adults: a randomised controlled trial. BMC Geriatr 2021; 21:79. [PMID: 33509113 PMCID: PMC7842078 DOI: 10.1186/s12877-020-01998-7] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 12/29/2020] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Everyday cognition is the application of basic cognitive skills and knowledge of the specific cognitive domain for the resolution of problems that are integrated within the instrumental domains of functioning. The main objective is to evaluate the effectiveness of a Training Programme in Everyday Cognition in order to improve the levels of everyday cognition and global cognitive performance in older adults. METHODS A randomised controlled trial of two groups. The sample was composed of healthy older adults. The intervention of the experimental group consisted of an Everyday Cognition Training Programme, and the intervention of the control group consisted of a Conventional Cognitive Training Programme. The Rapid Assessment of Cognitive Functions test (ERFC) and the Everyday Cognition Battery test (ECB) were used to assess the intervention. RESULTS Total sample (n = 237) composed of 44 men and 223 women, with a mean age of 73.45 years. Statistically significant differences (p < 0.001) were evidenced between the control group and the experimental group in both the ECB and ERFC; in the final evaluation of the study and in the follow-up. CONCLUSION The use of a Daily Cognition Training Programme presents greater benefits in terms of both global cognitive performance and everyday cognition than the use of a Conventional Cognitive Training Programme in elderly adults. TRIAL REGISTRATION ClinicalTrials.gov : NCT04041999 . Retrospectively registered. Date of trial registration: 8th July 2019.
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Affiliation(s)
- Celia Sánchez Gómez
- Department of Evolutionary and Educational Psychologyt, Faculty of Psychology. University of Salamanca, Avenida de la Merced, 109, 37005 Salamanca, Spain
| | - Eduardo José Fernández Rodríguez
- Department of Nursing and Physiotherapy, University of Salamanca, Salamanca, Spain
- Biomedical Research Institute of Salamanca, Salamanca, Spain
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Indahlastari A, Hardcastle C, Albizu A, Alvarez-Alvarado S, Boutzoukas EM, Evangelista ND, Hausman HK, Kraft J, Langer K, Woods AJ. A Systematic Review and Meta-Analysis of Transcranial Direct Current Stimulation to Remediate Age-Related Cognitive Decline in Healthy Older Adults. Neuropsychiatr Dis Treat 2021; 17:971-990. [PMID: 33824591 PMCID: PMC8018377 DOI: 10.2147/ndt.s259499] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2020] [Accepted: 03/11/2021] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Transcranial direct current stimulation (tDCS) has been proposed as a possible method for remediating age-associated cognitive decline in the older adult population. While tDCS has shown potential for improving cognitive functions in healthy older adults, stimulation outcomes on various cognitive domains have been mixed. METHODS A systematic search was performed in four databases: PubMed, EMBASE, Web of Science, and PsychInfo. Search results were then screened for eligibility based on inclusion/exclusion criteria to only include studies where tDCS was applied to improve cognition in healthy older adults 65 years and above. Eligible studies were reviewed and demographic characteristics, tDCS dose parameters, study procedures, and cognitive outcomes were extracted. Reported effect sizes for active compared to sham group in representative cognitive domain were converted to Hedges' g. MAIN RESULTS A total of thirteen studies involving healthy older adults (n=532, mean age=71.2+5.3 years) were included in the meta-analysis. The majority of included studies (94%) targeted the prefrontal cortex with stimulation intensity 1-2 mA using various electrode placements with anodes near the frontal region. Across all studies, we found Hedges' g values ranged from -0.31 to 1.85 as reported group effect sizes of active stimulation compared to sham. CONCLUSION While observed outcomes varied, overall findings indicated promising effects of tDCS to remediate cognitive aging and thus deserves further exploration. Future characterization of inter-individual variability in tDCS dose response and applications in larger cohorts are warranted to further validate benefits of tDCS for cognition in healthy older adults.
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Affiliation(s)
- Aprinda Indahlastari
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
| | - Cheshire Hardcastle
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
| | - Alejandro Albizu
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Neuroscience, University of Florida, Gainesville, FL, USA
| | - Stacey Alvarez-Alvarado
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
| | - Emanuel M Boutzoukas
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
| | - Nicole D Evangelista
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
| | - Hanna K Hausman
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
| | - Jessica Kraft
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Neuroscience, University of Florida, Gainesville, FL, USA
| | - Kailey Langer
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA
| | - Adam J Woods
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, USA.,Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, USA.,Department of Neuroscience, University of Florida, Gainesville, FL, USA
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Niedźwieńska A, Kvavilashvili L. Everyday Memory Failures in Older Adults with Amnestic Mild Cognitive Impairment. J Alzheimers Dis 2020; 70:257-275. [PMID: 31177225 DOI: 10.3233/jad-190219] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Identifying people with amnestic mild cognitive impairment (aMCI), who are at increased risk of developing Alzheimer's disease, is important for improving early disease management and care. Although self- or informant-reported memory problems constitute one of the diagnostic criteria of aMCI, there is currently little empirical knowledge about the frequency and nature of everyday memory failures in aMCI compared to age-matched healthy controls. Consequently, clinicians rely on their personal judgements when assessing the seriousness of reported memory failures. To address this gap in our knowledge, 32 aMCI participants and 38 healthy controls recorded their everyday memory failures as and when they occurred during a 7-day period, in a portable diary-booklet, by filling in a short questionnaire on a diary page. Descriptions of memory failures were coded into several subcategories of retrospective memory, prospective memory, and absent-minded failures. Results showed that a total number of recorded failures was significantly higher in participants with aMCI than controls. This group difference was mainly due to aMCI participants recording a higher number of retrospective memory failures, while groups did not differ in the number of prospective memory and absent-minded failures. Additionally, while certain types of failures (i.e., forgetting appointments and well-learned procedures) were recorded by a proportion of aMCI patients, they were never reported in a control group. Overall compliance rates were high and did not differ across the groups, suggesting that a structured diary method is feasible to use with aMCI patients, and can provide useful information about everyday memory functioning in this population.
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Affiliation(s)
| | - Lia Kvavilashvili
- Department of Psychology and Sport Sciences, University of Hertfordshire, Hatfield, UK
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Abstract
All people want to age "successfully," maintaining functional capacity and quality of life as they reach advanced age. Achieving this goal depends on preserving optimal cognitive and brain functioning. Yet, significant individual differences exist in this regard. Some older adults continue to retain most cognitive abilities throughout their lifetime. Others experience declines in cognitive and functional capacity that range from mild decrements in certain cognitive functions over time to severe dementia among those with neurodegenerative diseases. Even among relatively healthy "successful agers," certain cognitive functions are reduced from earlier levels. This is particularly true for cognitive functions that are dependent on cognitive processing speed and efficiency. Working memory and executive and attentional functions tend to be most vulnerable. Learning and memory functions are also usually reduced, although in the absence of neurodegenerative disease learning and retrieval efficiency rather than memory storage are affected. Other functions, such as visual perception, language, semantics, and knowledge, are often well preserved. Structural, functional, and physiologic/metabolic brain changes correspond with age-associated cognitive decline. Physiologic and metabolic mechanisms, such as oxidative stress and neuroinflammation, may contribute to these changes, along with the contribution of comorbidities that secondarily affect the brain of older adults. Cognitive frailty often corresponds with physical frailty, both affected by multiple exogenous and endogenous factors. Neuropsychologic assessment provides a way of measuring the cognitive and functional status of older adults, which is useful for monitoring changes that may be occurring. Neuroimaging is also useful for characterizing age-associated structural, functional, physiologic, and metabolic brain changes, including alterations in cerebral blood flow and metabolite concentrations. Some interventions that may enhance cognitive function, such as cognitive training, neuromodulation, and pharmacologic approaches, exist or are being developed. Yet, preventing, slowing, and reversing the adverse effects of cognitive aging remains a challenge.
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Affiliation(s)
- Ronald A Cohen
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, United States; Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, United States.
| | - Michael M Marsiske
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, United States; Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, United States
| | - Glenn E Smith
- Center for Cognitive Aging and Memory, McKnight Brain Institute, University of Florida, Gainesville, FL, United States; Department of Clinical and Health Psychology, University of Florida, Gainesville, FL, United States
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Maia JC, Coutinho JFV, Sousa CRD, Barbosa RGB, Mota FRDN, Marques MB, Silva RDRL, Lima RBDS. Tecnologias assistivas para idosos com demência: revisão sistemática. ACTA PAUL ENFERM 2018. [DOI: 10.1590/1982-0194201800089] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Abstract
Resumo Objetivo Analisar estudos de intervenções com tecnologias assistivas, empregadas no auxílio de idosos com demência, na execução das Atividades Básicas e Instrumentais de Vida Diária. Métodos Realizou-se levantamento, através das bases de dados CINAHL, MEDLINE/PubMed, LILACS, SCOPUS, Scielo, Cochrane e Web of Science . Utilizaram-se os descritores dementia/ demência , aged/ idoso , self-help devices/ equipamentos de autoajuda . Os artigos selecionados foram submetidos à análise de qualidade metodológica, na qual foi utilizada a escala de avaliação da Physiotherapy Evidence Database (PEDro). Resultados Quatro ensaios clínicos foram elencados para a revisão. Os estudos apresentaram classificação de baixa a moderada qualidade metodológica. As tecnologias de sistema de monitoramento noturno e as de comando de voz apresentaram melhor avaliação em relação aos efeitos nas Atividades Básicas e Instrumentais de Vida Diária. Conclusão A aplicação desse aparato tecnológico fornece resultados positivos no apoio a idosos e cuidadores na execução das atividades diárias. As utilizações de comandos verbais simples possuem menor custo, manuseio simples e maior eficiência para execução de Atividades Instrumentais de Vida Diária de idosos com demência.
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Woods AJ, Cohen R, Marsiske M, Alexander GE, Czaja SJ, Wu S. Augmenting cognitive training in older adults (The ACT Study): Design and Methods of a Phase III tDCS and cognitive training trial. Contemp Clin Trials 2018; 65:19-32. [PMID: 29313802 PMCID: PMC5803439 DOI: 10.1016/j.cct.2017.11.017] [Citation(s) in RCA: 47] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2017] [Revised: 11/27/2017] [Accepted: 11/29/2017] [Indexed: 12/31/2022]
Abstract
BACKGROUND Adults over age 65 represent the fastest growing population in the US. Decline in cognitive abilities is a hallmark of advanced age and is associated with loss of independence and dementia risk. There is a pressing need to develop effective interventions for slowing or reversing the cognitive aging process. While certain forms of cognitive training have shown promise in this area, effects only sometimes transfer to neuropsychological tests within or outside the trained domain. This paper describes a NIA-funded Phase III adaptive multisite randomized clinical trial, examining whether transcranial direct current stimulation (tDCS) of frontal cortices enhances neurocognitive outcomes achieved from cognitive training in older adults experiencing age-related cognitive decline: the Augmenting Cognitive Training in Older Adults study (ACT). METHODS ACT will enroll 360 participants aged 65 to 89 with age-related cognitive decline, but not dementia. Participants will undergo cognitive training intervention or education training-control combined with tDCS or sham tDCS control. Cognitive training employs a suite of eight adaptive training tasks focused on attention/speed of processing and working memory from Posit Science BrainHQ. Training control involves exposure to educational nature/history videos and related content questions of the same interval/duration as the cognitive training. Participants are assessed at baseline, after training (12weeks), and 12-month follow-up on our primary outcome measure, NIH Toolbox Fluid Cognition Composite Score, as well as a comprehensive neurocognitive, functional, clinical and multimodal neuroimaging battery. SIGNIFICANCE The findings from this study have the potential to significantly enhance efforts to ameliorate cognitive aging and slow dementia.
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Affiliation(s)
- Adam J Woods
- Center for Cognitive Aging and Memory, Cognitive Aging and Memory Clinical Translational Research Program, Department of Clinical and Health Psychology, McKnight Brain Institute, University of Florida, United States.
| | - Ronald Cohen
- Center for Cognitive Aging and Memory, Cognitive Aging and Memory Clinical Translational Research Program, Department of Clinical and Health Psychology, McKnight Brain Institute, University of Florida, United States
| | - Michael Marsiske
- Center for Cognitive Aging and Memory, Cognitive Aging and Memory Clinical Translational Research Program, Department of Clinical and Health Psychology, McKnight Brain Institute, University of Florida, United States
| | - Gene E Alexander
- Departments of Psychology and Psychiatry, Neuroscience and Physiological Sciences Graduate Interdisciplinary Programs, BIO5 Institute, and McKnight Brain Institute, University of Arizona, Tucson, AZ, United States
| | - Sara J Czaja
- Center on Aging, Department of Psychiatry and Behavioral Sciences, McKnight Brain Institute, Miller School of Medicine, University of Miami, United States
| | - Samuel Wu
- Department of Biostatistics, University of Florida, United States
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Russo MJ, Cohen G, Chrem Mendez P, Campos J, Martín ME, Clarens MF, Tapajoz F, Harris P, Sevlever G, Allegri RF. Utility of the Spanish version of the Everyday Cognition scale in the diagnosis of mild cognitive impairment and mild dementia in an older cohort from the Argentina-ADNI. Aging Clin Exp Res 2018; 30:1167-1176. [DOI: 10.1007/s40520-018-0899-8] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 01/16/2018] [Indexed: 12/19/2022]
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Longitudinal Trajectories of Informant-Reported Daily Functioning in Empirically Defined Subtypes of Mild Cognitive Impairment. J Int Neuropsychol Soc 2017; 23:521-527. [PMID: 28487004 PMCID: PMC5524519 DOI: 10.1017/s1355617717000285] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Abstract
OBJECTIVES Within the Alzheimer's Disease Neuroimaging Initiative (ADNI)'s mild cognitive impairment (MCI) cohort, we previously identified MCI subtypes as well as participants initially diagnosed with MCI but found to have normal neuropsychological, biomarker, and neuroimaging profiles. We investigated the functional change over time in these empirically derived MCI subgroups. METHODS ADNI MCI participants (n=654) were classified using cluster analysis as Amnestic MCI (single-domain memory impairment), Dysnomic MCI (memory+language impairments), Dysexecutive/Mixed MCI (memory+language+attention/executive impairments), or Cluster-Derived Normal (CDN). Robust normal control participants (NCs; n=284) were also examined. The Functional Activities Questionnaire (FAQ) was administered at baseline through 48-month follow-up. Multilevel modeling examined FAQ trajectories by cognitive subgroup. RESULTS The Dysexecutive/Mixed group demonstrated the fastest rate of decline across all groups. Amnestic and Dysnomic groups showed steeper rates of decline than CDNs. While CDNs had more functional difficulty than NCs across visits, both groups' mean FAQ scores remained below its suggested cutoff at all visits. CONCLUSIONS Results (a) show the importance of executive dysfunction in the context of other impaired cognitive domains when predicting functional decline in at-risk elders, and (b) support our previous work demonstrating that ADNI's MCI criteria may have resulted in false-positive MCI diagnoses, given the CDN's better FAQ trajectory than those of the cognitively impaired MCI groups. (JINS, 2017, 23, 521-527).
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McAlister C, Schmitter-Edgecombe M. Everyday functioning and cognitive correlates in healthy older adults with subjective cognitive concerns. Clin Neuropsychol 2016; 30:1087-103. [PMID: 27240886 DOI: 10.1080/13854046.2016.1190404] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
OBJECTIVE Few studies have examined functional abilities and complaints in healthy older adults (HOAs) with subjective cognitive concerns (SCC). The aims of this study were to assess everyday functioning in HOAs reporting high and low amounts of SCC and examine cognitive correlates of functional abilities. METHOD Twenty-six HOAs with high SCC and 25 HOAs with low SCC, as well as their knowledgeable informants, completed the Instrumental Activities of Daily Living-Compensation (IADL-C), a questionnaire measure of everyday functioning. RESULTS After controlling for depression, the high-SCC group self-reported significantly more everyday difficulties on the IADL-C, including all subdomains. Compared to the low-SCC group, informants for the high-SCC group endorsed more difficulties on the IADL-C and specifically the social skills subdomain. For the high-SCC group, poorer self-report of everyday functioning was related to poorer executive functioning and temporal order memory. CONCLUSIONS These findings indicate that there may be subtle functional changes that occur early in the spectrum of cognitive decline in individuals with high SCC, and these functional changes are evident to informants. Further work is needed to investigate whether individuals with both SCC and functional difficulties are at an even higher risk for progression to mild cognitive impairment.
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Affiliation(s)
- Courtney McAlister
- a Department of Psychology , Washington State University , Pullman , WA , USA
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Thomas KR, Marsiske M. Age trajectories of everyday cognition in African American and White older adults under prompted and unprompted conditions. Neuropsychol Rehabil 2015; 27:522-539. [PMID: 26480946 DOI: 10.1080/09602011.2015.1092453] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Abstract
We investigated how race and verbal prompting interacted with age to predict age trajectories on a performance-based measure of everyday cognition. African American (n = 727) and White (n = 2052) older adults from the ACTIVE clinical trial were given the Observed Tasks of Daily Living (OTDL; a performance-based measure of medication management/finances/telephone use) at baseline and 1-, 2-, 3-, 5-, and 10-year follow-ups. When participants said "I don't know" or did not respond, they received a standardised verbal prompt, which served only as a cue to initiate the first step. At each occasion, unprompted (sum of items correct without prompting) and prompted (sum of correct prompted and unprompted items) scores were derived for each participant. Mixed effects models for change were used to determine the age trajectories of OTDL performance by race. When not prompted, African Americans demonstrated more rapid decline in OTDL performance than Whites, especially after age 80. When prompted, both groups had improved performance and evinced shallower decline, although African Americans continued to demonstrate a slightly more rapid decline. Simple prompting attenuated age-related changes of African Americans and Whites on a measure of everyday cognition. Prompting may be especially helpful for older African Americans.
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Affiliation(s)
- Kelsey R Thomas
- a Department of Clinical and Health Psychology , University of Florida , Gainesville , USA
| | - Michael Marsiske
- a Department of Clinical and Health Psychology , University of Florida , Gainesville , USA
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Rodríguez-Bailón M, Montoro-Membila N, Garcia-Morán T, Arnedo-Montoro ML, Funes Molina MJ. Preliminary cognitive scale of basic and instrumental activities of daily living for dementia and mild cognitive impairment. J Clin Exp Neuropsychol 2015; 37:339-53. [PMID: 25805061 DOI: 10.1080/13803395.2015.1013022] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
In the present study we explored cognitive and functional deficits in patients with multidomain mild cognitive impairment (MCI), patients with dementia, and healthy age-matched control participants using the Cognitive Scale for Basic and Instrumental Activities of Daily Living, a new preliminary informant-based assessment tool. This tool allowed us to evaluate four key cognitive abilities-task memory schema, error detection, problem solving, and task self-initiation-in a range of basic and instrumental activities of daily living (BADL and IADL, respectively). The first part of the present study was devoted to testing the psychometric adequateness of this new informant-based tool and its convergent validity with other global functioning and neuropsychological measures. The second part of the study was aimed at finding the patterns of everyday cognitive factors that best discriminate between the three groups. We found that patients with dementia exhibited impairment in all cognitive abilities in both basic and instrumental activities. By contrast, patients with MCI were found to have preserved task memory schema in both types of ADL; however, such patients exhibited deficits in error detection and task self-initiation but only in IADL. Finally, patients with MCI also showed a generalized problem solving deficit that affected even BADL. Studying various cognitive processes instantiated in specific ADL differing in complexity seems a promising strategy to further understand the specific relationships between cognition and function in these and other cognitively impaired populations.
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Affiliation(s)
- María Rodríguez-Bailón
- a Facultad de Ciencias de la Salud y el Bienestar , Universidad de Vic-Universidad Central de Cataluña , Vic , Barcelona , Spain
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