AssessBlocks: Exploring Toy Block Play Features for Assessing Stress in Young Children after ...
summary
Prototypes of sensor-embedded blocks with IMUs collect motion and posture data from 52 children (15 tsunami-exposed) during 20-minute free play sessions, while salivary alpha amylase (sAA (salivary alpha amylase)) and an observational distress score (OSBD) capture physiological and behavioral stress. Threshold-based features (Move, Hold, Stand, Lay, total/stack/flat times) show constructional features (Flat Time, Stand Time, Stand Count) correlating with sAA and motional features (Total time, Move time) correlating with OSBD, suggesting distinct signals for different stress modalities.
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