This study visualizes infant home discovery using longitudinal video data of spatial exploration and environmental changes through development. Two infants from Tokyo families were observed, with 76 hours of video recorded from ages 4-18 months. We extracted locomotion data from videos and measured movement bouts and intervals in frequently occupied rooms. Monthly locomotion trajectories were plotted to observe the movement patterns. The results showed how the room layout affected infant locomotion over time. We examined relationships between locomotion and movable objects/people throughout the home. Visualization revealed how infants connected activity areas, suggesting that new layouts increased learning opportunities and shaped the living environment. 
 Nishizaki, M. (2012). The relationship between dwelling and locomotion: Discovering the house during the first 2 years of life. Proceedings of the 12th European Workshop on Ecological Psychology, 79, Madrid, Spain.
Nishizaki, M., & Sasaki, M. (2007). View from the place becoming “House”: visually guided exploration with Akachan Movie Database. Proceedings of the 14th International Conference on Perception and Action, 80, 223, Yokohama, Japan, July 2007. ​​​​​​​ 
grant
Grant-in-Aid for Research Activity Start-up KAKENHI (#23800049) from Japan Society for the Promotion of Science (JSPS), The relationship between dwelling and locomotion: Discovering the house during the first 2 years of life. Miho Nishizaki, PI.
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