The design and development of instrumented toys for the assessment of infant cognitive flexibility

The design and development of instrumented toys for the assessment of infant cognitive flexibility

The first years of an infant's life represent a sensitive period for neurodevelopment where one can see the emergence of nascent forms of executive function (EF), which are required to support complex cognition. Few tests exist for measuring EF during infancy, and the available tests require pa...

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Bibliographic Details
Main Authors: Ramanathan, Vishal, Mohammad Zaidi Ariffin, Goh, Guo Dong, Goh, Guo Liang, Mohammad Adhimas Rikat, Tan, Xing Xi, Yeong, Wai Yee, Ortega, Juan-Pablo, Leong, Victoria, Campolo, Domenico
Other Authors: School of Mechanical and Aerospace Engineering
Format: Article
Language:English
Published: 2023
Subjects:
Engineering::Mechanical engineering
Social sciences::Psychology
Instrumented Toys
Ecological Behavioural Assessment
Online Access:https://hdl.handle.net/10356/165599
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Institution: Nanyang Technological University
Language: English
Description
Summary:The first years of an infant's life represent a sensitive period for neurodevelopment where one can see the emergence of nascent forms of executive function (EF), which are required to support complex cognition. Few tests exist for measuring EF during infancy, and the available tests require painstaking manual coding of infant behaviour. In modern clinical and research practice, human coders collect data on EF performance by manually labelling video recordings of infant behaviour during toy or social interaction. Besides being extremely time-consuming, video annotation is known to be rater-dependent and subjective. To address these issues, starting from existing cognitive flexibility research protocols, we developed a set of instrumented toys to serve as a new type of task instrumentation and data collection tool suitable for infant use. A commercially available device comprising a barometer and an inertial measurement unit (IMU) embedded in a 3D-printed lattice structure was used to detect when and how the infant interacts with the toy. The data collected using the instrumented toys provided a rich dataset that described the sequence of toy interaction and individual toy interaction patterns, from which EF-relevant aspects of infant cognition can be inferred. Such a tool could provide an objective, reliable, and scalable method of collecting early developmental data in socially interactive contexts.

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