Wearable strain sensor suit for infants to measure limb movements under interaction with caregiver |
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| Affiliation: | 1. Faculty of Environmental and Information Studies, Keio University, Kanagawa, Japan;2. Graduate School of Education, The University of Tokyo, Bunkyo-ku, Tokyo, Japan;1. Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Hong Kong;2. College of Nursing, The Ohio State University, Columbus, OH, USA;3. Tampa Bay Rays, 1 Tropicana Dr., St. Petersburg, FL, USA;4. School of Health and Rehabilitation Sciences, The Ohio State University, Columbus, OH, USA;1. Psychology Program, School of Social Sciences, Nanyang Technological University, Singapore;2. Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore;3. Department of Psychology and Cognitive Science, University of Trento, Italy;1. Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA;2. UNICEF, New York City, NY, USA;3. Institute for Fiscal Studies, London, UK;1. Univ Rennes, Normandie Univ, CNRS, EthoS (Ethologie animale et humaine) - UMR 6552, F-35000, Rennes, France;2. Centre Hospitalier Régional Universitaire, Pôle de la Femme, de la Mère et de l''Enfant, Brest, France;3. Université de Bretagne Occidentale, Faculté de Médecine et des Sciences de la Santé, Laboratoire de Neurosciences de Brest - EA 4685, Brest, France;1. 0-3 Center for the at-Risk Infant, Scientific Institute IRCCS “Eugenio Medea”, Bosisio Parini, Lecco, Italy;2. Institute of Intelligent Industrial Technologies and Systems for Advanced Manufacturing (STIIMA), National Research Council of Italy (CNR), Milan, Italy;3. Bioengineering Laboratory, Scientific Institute, IRCCS “Eugenio Medea”, Bosisio Parini, Lecco, Italy;1. International Doctoral School, University of Seville, Spain;2. Department of Personality, Evaluation and Psychological Treatment of the Faculty of Psychology, University of Seville, Grupo de Investigación Pediatría Integral y Psicología Pediátrica (CTS-152), Spain;3. Virgen del Rocío University Hospital, Seville, Spain |
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| Abstract: | Development of motion capture technology has enabled the measurement of body movements over long periods of time in daily life. Although accelerometers have been used as primary sensors, problems arise when they are used to measure the movements of infants. Because infants and caregivers interact frequently, accelerometer data from infants may be significantly distorted by a caregiver’s movement. To overcome this problem, a strain sensor suit was developed for infants to measure flexion and extension movements of the limbs. A case study was performed to analyze the strain sensor data of an infant in relation to the accelerometer data of the infant’s and a caregiver’s body under various types of infant–caregiver interaction. The results demonstrated that the strain sensor data had low correlation with the accelerometer data of the infant and caregiver while the accelerometer data between infant and caregiver had higher correlation. This suggests that the strain sensor is suitable to detect limbs’ angular displacements mostly independent from the translational body movements exerted by a caregiver. |
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| Keywords: | Motion capture Accelerometer Strain sensor Infant–caregiver interaction |
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