Towards Attention Monitoring of Older Adults with Cognitive Impairment During Interaction with an Embodied Conversational Agent

Pierre Wargnier 1, 2 Adrien Malaisé 3 Julien Jacquemot 4 Samuel Benveniste 1, 3 Pierre Jouvelot 2, 1 Maribel Pino 4 Anne-Sophie Rigaud 4
1 CRI - Centre de Recherche en Informatique
2 MINES ParisTech - École nationale supérieure des mines de Paris
3 CEN/STIMCO - Centre d'Expertise National en Stimulation Cognitive
4 AP-HP - Hôpital Cochin Broca Hôtel Dieu [Paris]
Abstract : Embodied conversational agents (ECAs) are virtual characters using verbal and non-verbal communication for Human-machine interaction. The aim of our research is to create an ECA-based user interface for assistive technologies targeting older adults with cog-nitive impairment. Our design methodology is a co-design living lab approach, collecting design guidelines through questionnaires, focus groups and user trials. In this paper, we report on the results of the first phase of this iterative design process. We developed Louise, a semi-automatic ECA prototype that aims to compensate, through attention monitoring , for a user's attentional disorders by performing autonomous prompting, i.e., calling the user to regain his or her attention in case he or she got distracted. We evaluated the performance of Louise with a group of experts in assistive technologies and collected their feedback. Louise's simple attention estimator is more than 80% accurate. The system got quite positive reviews from users.
Keywords : Embodied conversational agents assistive technolo-gies attention estimation K42 [Social Issues]: Assistive technologies for persons with disabilities—Handicapped persons/special needs dementia Index Terms: I55 [Implementation]: Interactive systems
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Communication dans un congrès
The Third International Workshop on Virtual and Augmented Assistive Technology (VAAT), Mar 2015, Arles, France. pp 23-28, 2015, Virtual and Augmented Assistive Technology (VAAT), 2015. 〈10.1109/VAAT.2015.7155406〉
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Pierre Wargnier, Adrien Malaisé, Julien Jacquemot, Samuel Benveniste, Pierre Jouvelot, et al.. Towards Attention Monitoring of Older Adults with Cognitive Impairment During Interaction with an Embodied Conversational Agent. The Third International Workshop on Virtual and Augmented Assistive Technology (VAAT), Mar 2015, Arles, France. pp 23-28, 2015, Virtual and Augmented Assistive Technology (VAAT), 2015. 〈10.1109/VAAT.2015.7155406〉. 〈hal-01137307〉

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