Designing Software for Elderly Suffering from Cognitive Impairments M. PINO, M. BOULAY, AS. RIGAUD...
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Transcript of Designing Software for Elderly Suffering from Cognitive Impairments M. PINO, M. BOULAY, AS. RIGAUD...
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Designing Software for Elderly Suffering from Cognitive Impairments
M. PINO , M. BOULAY, AS. RIGAUDResearch team EA 4468 Paris Descartes University,
Broca Hospital, Assistance Publique - Hôpitaux de Paris (France)
International Conference ADI, 2012International Conference ADI, 2012
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AIM: the design, development and assessment of technological products and services for elderly people with cognitive impairment, and family and professional caregivers.
Technological applications are used in this context:•To support elderly people with their daily-life activities•To provide healthcare and cognitive stimulation•To help caregivers better manage patient difficulties
LUSAGE user-lab
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• Support for basic activities: organization, planning, locating objects, medication reminding
• Monitoring and safety• Information and
educational games to support cognitive wellness and social engagement
• Simplified menu to access these services
Social Assistive Robotics
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• Embodiment• Emotion• Dialog• Personality• Human-oriented perception• User modeling• Socially situated learning• Intentionality
T. Fong, I. Nourbakhsh, and K. Dautenhahn. A survey of socially interactive robots. Robotics and Autonomous Systems, 42(3-4):143–166, 2003.
Social Assistive Robotics
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Human Activity Assistive Technology Model (HAAT) (Cook and Husey, 1995)
External enabler (device) used to overcome any contextual obstacle.
Person with his/her skills and impairments
Social framework and physical environment in which the person and the AT operate
Procedure, operation or task that the person would like to achieve
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PRIMO: Cognitive Stimulation software
• Maintain cognitive resources • Reinforce automatisms & implement routines• Increase self-esteem, motivation, socialization
• On-line programme• Personalized set of exercises (memory, attention, judgment, executive function, etc)• Different levels of difficulty • Remote neuropsychological supervision
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Design & Development Cycle
Final Product
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Faucounau, V. et al., (2009). Caregivers’ requirements for in-home robotic agent.
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Wu et al., (2010). Robotic agents for supporting community-dwelling elderly people with memory complaints: Perceived needs and preferences
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Usability assessment
• Usability testing : - Ensure that systems are adapted to end-users - No potential negative outcomes - Allows ergonomics improvement
Classical procedure : Observing how users interact with prototypes or final products to perform a set of predefined tasks under controlled conditions
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Evaluation criteria
• Objective performance measures: - Time to complete the tasks - Number of manipulation errors - Numbers of verbal or physical help requests - Accuracy in the tasks and type of « cognitive error »
• Subjective measures: - Satisfaction questionnaire
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METHODS• 7 participants with AD (MMSE = 16-24)• Age mean 82,4 y/o • Education mean 11,5 y• 4 sessions with 15 exercices • None computer experience
RESULTS• Identification of usability problems resulting from the interface design• Difficulties are related to the severity of cognitive impairment• Some assistance may be necessary• The use of a touchscreen is strongly recommended
First Evaluation
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Validate
Select all the yellow fruits :
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Interface modifications required
Simplifying procedures and interactions :
• One-click answers• Using a touch screen • Avoiding unnecessary messages• Adjusting font and images size• Eliminating check-box • Eliminating “validation” button
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Second EvaluationMETHODS• 15 participants (AD = 3, MCI = 8, HC = 4)• Age mean 78,2 y/o• Education mean 11 y• 1 session with 9 exercices • Half of them had already used a computer before
RESULTS• The improved version is more intuitive and learnable • The application is adapted to persons with MCI and early AD• Still, some assistance may be necessary• Touchscreen works better than mouse or touchpad
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QuoVADis – 30 juin 2011 -
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Discussion • The possibility of using the Interface depends on
cognitive abilities preserved at MCI and early AD
• Importance of attitude : confidence and motivation
• Technology use: encouraging to find “their way” to use the system
• Involving caregivers
• Challenge: how to compensate attentional and executive deficits that affect the capacity of initiating and completing a sequency?
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Thank you!