
Executive function operations (Formulate a Goal, Plan, Carry out the task and Verify goal attainment) are important for supporting independence, and are often impacted early in dementia, yet are seldom considered in the design of assistive technologies for cognition for older adults with dementia. This article introduces personas, i.e., fictitious, specific, concrete representations of target users, to support the design of assistive technologies for cognition from the perspective of executive dysfunction. We first categorized the assistance most appropriate to provide, based on a quantitative secondary analysis of annotated videos of 16 older adults who received assistance during a functional assessment. The annotations of the videos classified the assistance required for task completion into categories. We then designed the personas based on this quantitative secondary analysis. A persona was designed for each of the first three executive function operations: Formulate a goal, Plan and Carry out the task. No persona was designed for Verify goal attainment because assistance was seldom provided for this operation. Stimulate the thought process and clarification of instructions were the categories of assistance most frequently identified overall. Each persona is illustrated with examples of assistance. Stimulate the thought process was the category of assistance most frequently provided for goal formulation and plan, and motivational assistance for carry out the task. We defined several design recommendations to support the design of assistive technologies for cognition for older adults on the dementia continuum, including 1) stimulate the person to reason and act by themselves first; 2) design context-aware assistive technologies; 3) consider “goal formulation” and “plan” executive operation dysfunctions; 4) personalize assistive technologies to the specific needs of each individual; 5) do not rely only on personas to take individual needs into account. Personas created from real situations can serve as a tool to better understand the assistance this population requires in order to develop assistive technologies for cognition.
Assistive technologies for cognition (ATC) can help alleviate some of the impacts of executive dysfunction and support independence. This article presents a scoping review to highlight the research gaps in this area. Search of scientific and gray literature was conducted in clinical and computer science databases, resulting in a selection of 27 papers. Traumatic brain injury and dementia were the disorders for which the most supports were available. Planning and carrying out tasks were the most supported executive function operations. Food preparation was the daily activity for which the most supports were developed. Diverse non-context-aware technologies were used to deliver primarily audio and visual prompts and cues. The performance of most of the technologies was tested among the target population to evaluate acceptability and effectiveness. This review showed that: (1) The goal formulation executive function operation needs to be the focus of more research; (2) the clinical context needs to be described in more be detail; (3) ATC development could benefit from the use of a wider range of user-centered methods, such as observational or ideation methods; (4) more evaluation of user outcomes is needed, such as impact on independence; and (5) a greater diversity of activities of daily living should be supported. Recommendations are presented.
To enable ageing in place, innovative and integrative technologies such as smart living environments may be part of the solution. Despite extensive published literature reviews on this topic, the effectiveness of smart living environments in supporting ageing in place, and in particular involving unobtrusive technologies, remains unclear. The main objective of our umbrella review was to synthesize evidence on this topic.
To enable ageing in place, innovative and integrative technologies such as smart living environments may be part of the solution. Despite extensive published literature reviews on this topic, the effectiveness of smart living environments in supporting ageing in place, and in particular involving unobtrusive technologies, remains unclear. The main objective of our umbrella review was to synthesize evidence on this topic.
Alzheimer’s disease (AD) is the most common cause of neurocognitive disorder in aging. The main impacted activities are instrumental activities of daily living (IADL). Assistance to perform IADL can help people with AD (PwAD) to stay independent longer and live at home. Such assistance can be provided remotely from a caregiver to perform certain tasks using a shared visual representation, where, for instance, audio cues by phone are not sufficient. This paper presents a preliminary design and evaluation of a system to provide a remote assistance from a caregiver to a PwAD who needs assistance, by using a shared visual representation with the caregiver. The PwAD wears an augmented reality head-mounted display and the caregiver can see his environment and add annotations in it through a desktop interface. A preliminary usability and cognitive load study with healthy adults show encouraging results, but several aspects have to be refined.
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