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Assessment of instrumental activities of daily living (IADL) is essential for the diagnosis and staging of dementia. However, current IADL assessments are subjective and cannot be administered remotely. We proposed a smart-home design, called IADLSys, for remote monitoring of IADL. IADLSys consists of three major components: (1) wireless physical tags (pTAG) attached to objects of interest, (2) a pendant–sensor to monitor physical activities and detect interaction with pTAGs, and (3) an interactive tablet as a gateway to transfer data to a secured cloud. Four studies, including an exploratory clinical study with five older adults with clinically confirmed cognitive impairment, who used IADLSys for 24 h/7 days, were performed to confirm IADLSys feasibility, acceptability, adherence, and validity of detecting IADLs of interest and physical activity. Exploratory tests in two cases with severe and mild cognitive impairment, respectively, revealed that a case with severe cognitive impairment either overestimated or underestimated the frequency of performed IADLs, whereas self-reporting and objective IADL were comparable for the case with mild cognitive impairment. This feasibility and acceptability study may pave the way to implement the smart-home concept to remotely monitor IADL, which in turn may assist in providing personalized support to people with cognitive impairment, while tracking the decline in both physical and cognitive function.

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Crowdsourcing games involving image labeling tasks are commonly digital, played online, and have rules set by designers. In this work we explore the potential of tabletop image labeling games, incorporating physical elements, in-person community-based gameplay, and support for customizable rules. We developed an augmented reality game toolkit called Tile-o-Scope AR and conducted two studies. The first study demonstrates how the toolkit can facilitate in-person discussions through collaborative image labeling, and the toolkit's potential adaptability to other games and applications. The second study, using three different activities designed for the toolkit, demonstrates the toolkit's flexibility for creating customized experiences for audiences of different backgrounds. CCS CONCEPTS • Human-centered computing → Human computer interaction (HCI).