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Impact of a national dementia research consortium: The Canadian Consortium on Neurodegeneration in Aging (CCNA)

Author(s): Chertkow H; Phillips N; Rockwood K; Anderson N; Andrew MK; Bartha R; Beaudoin C; Bélanger N; Bellec P; Belleville S; Bergman H; Best S; Bethell J; Bherer L; Black S; Borrie M; Camicioli R; Carrier J; Cashman N; Chan S; Crowshoe L; Cuello ...

The Canadian Consortium on Neurodegeneration in Aging (CCNA) was created by the Canadian federal government through its health research funding agency, the Canadian Institutes for Health Research (CIHR), in 2014, as a response to the G7 initiative to fight dementia. Two five-year funding cycles ( ...

Article GUID: 39636028


Exploring the Qualitative Experiences of Administering and Participating in Remote Research via Telephone Using the Montreal Cognitive Assessment-Blind: Cross-Sectional Study of Older Adults

Author(s): Dumassais S; Grewal KS; Aubin G; O' Connell M; Phillips NA; Wittich W;

Background: The COVID-19 pandemic caused a drastic shift in the practice of research and clinical services. It has been noted that cognition measured via in-person versus remote methods differ substantially, and it is possible that subjective and experiential differences exist between modalities. Objective: The aim of the study is to explore the percepti ...

Article GUID: 39546346


Strategies used during the cognitive evaluation of older adults with dual sensory impairment: a scoping review

Author(s): Dumassais S; Pichora-Fuller MK; Guthrie D; Phillips NA; Savundranayagam M; Wittich W;

Background: Dual sensory impairment (DSI), the combination of visual and hearing impairments, is associated with increased risk for age-related cognitive decline and dementia. Administering cognitive tests to individuals with sensory impairment is challenging because most cognitive measures require sufficient hearing and vision. Considering sensory limita ...

Article GUID: 38506649


At-home computerized executive-function training to improve cognition and mobility in normal-hearing adults and older hearing aid users: a multi-centre, single-blinded randomized controlled trial

Author(s): Downey R; Gagné N; Mohanathas N; Campos JL; Pichora-Fuller KM; Bherer L; Lussier M; Phillips NA; Wittich W; St-Onge N; Gagné JP; Li K;

Background: Hearing loss predicts cognitive decline and falls risk. It has been argued that degraded hearing makes listening effortful, causing competition for higher-level cognitive resources needed for secondary cognitive or motor tasks. Therefore, executive function training has the potential ...

Article GUID: 37864139


Does social connection mediate the association between neuroticism and cognition? Cross-sectional analysis of the Canadian Longitudinal Study on Aging

Author(s): Bethell J; Andrew MK; Hothi S; Mick P; Morgan D; O' Connell ME; Phillips NA; Stewart S; Walker JD; Wittich W; McGilton KS;

Objectives: This study tested the association between neuroticism and six cognitive measures, and examined the potential mediating roles of social connection (social isolation and loneliness) among middle-aged and older adults. Methods: This cross-sectional study was a secondary analysis of the ...

Article GUID: 37667914


Associations Between Cardiovascular Risk Factors and Audiometric Hearing: Findings From the Canadian Longitudinal Study on Aging

Author(s): Mick PT; Kabir R; Pichora-Fuller MK; Jones C; Moxham L; Phillips N; Urry E; Wittich W;

Objectives: The objectives of the study were to determine, among a population-based sample of Canadian adults, if risk factors for cardiovascular disease (alone and in combination) were associated with hearing loss. Cross-sectional and longitudinal associations (the latter with about 3 years of follow-up) were examined. Risk factors considered included di ...

Article GUID: 37122082


Hearing loss is associated with gray matter differences in older adults at risk for and with Alzheimer's disease

Author(s): Giroud N; Pichora-Fuller MK; Mick P; Wittich W; Al-Yawer F; Rehan S; Orange JB; Phillips NA;

Using data from the COMPASS-ND study we investigated associations between hearing loss and hippocampal volume as well as cortical thickness in older adults with subjective cognitive decline (SCD), mild cognitive impairment (MCI), and Alzheimer's dementia (AD). SCD participants with greater pu ...

Article GUID: 36911511


Sex-Specific Interactions Between Hearing and Memory in Older Adults With Mild Cognitive Impairment: Findings From the COMPASS-ND Study

Author(s): Al-Yawer F; Pichora-Fuller MK; Wittich W; Mick P; Giroud N; Rehan S; Phillips NA;

Objectives: Hearing loss (HL) in older adults is associated with a decline in performance on cognitive tasks and the risk of developing dementia. However, very few studies have investigated sex-related effects on these associations. A previous study of cognitively healthy older adults showed an association between HL and lower cognitive performance in fem ...

Article GUID: 36607746


A Newly Identified Impairment in Both Vision and Hearing Increases the Risk of Deterioration in Both Communication and Cognitive Performance

Author(s): Guthrie DM; Williams N; Campos J; Mick P; Orange JB; Pichora-Fuller MK; Savundranayagam MY; Wittich W; Phillips NA;

Vision and hearing impairments are highly prevalent in adults 65 years of age and older. There is a need to understand their association with multiple health-related outcomes. We analyzed data from the Resident Assessment Instrument for Home Care (RAI-HC). Home care clients were followed for up t ...

Article GUID: 35859361


The effects of simulated and actual visual impairment on the Montreal Cognitive Assessment

Author(s): Stark Z; Morrice E; Murphy C; Wittich W; Johnson AP;

Many cognitive assessments include a visual component; however, adults may experience a decline in visual acuity with age. Scores on cognitive assessments of adults with visual impairments are typically lower than adults with normal vision, however, it is unclear if these lower scores are a consequence of cognitive or visual impairment. We measured the im ...

Article GUID: 35341447


Assessing optimal colour and illumination to facilitate reading: an analysis of print size

Author(s): Morrice E; Murphy C; Soldano V; Addona C; Wittich W; Johnson AP;

Purpose: This study examined how optimal colour/illumination conditions and the efficacy of the iPad, LuxIQ and Smart Bulb varied as a function of print size in younger, older and visually impaired adults. Methods: Participants with visual impairments and simulated low vision (SLV) read the MNRead using the iPad, LuxIQ and Smart Bulb. Results: In the im ...

Article GUID: 34549808


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