IMU-Based Approach to Detect Spastic Cerebral Palsy in Infants at Early Stages

Authors

  • N Sukhadia Sarvajanik University
  • P Kamboj Sarvajanik University

DOI:

https://doi.org/10.4108/eetpht.10.5258

Keywords:

Cerebral Palsy, Spastic Cerebral Palsy, Fidgety Movements, Inertial Measurement Unit, General Movement Assesment

Abstract

INTRODUCTION: Cerebral Palsy (CP) is a non-progressive neurological disorder affecting muscle control in early childhood, leading to permanent alterations in body posture and movement. Early identification is crucial for accurate diagnosis and therapy-based interventions. In recent years, an automated monitoring system has been developed to facilitate the health assessment of infants, enabling early recognition of neurological dysfunctions in high-risk infants. However, the interpretation of these assessments lacks standardization and is subject to examiner bias.

OBJECTIVES: Many infants with CP exhibit increased tonic stretch reflexes due to Upper Motor Neuron Syndrome (UMNS), resulting from motor neuron damage that disrupts muscle signalling.

METHOD: To detect abnormal muscle reactions, our team employed an Inertial Measurement Unit (IMU) sensor, comprising three tri-axial sensors (accelerometer, gyroscope, magnetometer) that capture movement data continuously and unobtrusively. IMU sensors are compact, cost-effective, and have low processing requirements, requiring attachment to the infant's body to measure inter-body part angles. Our team analyzed muscle activity and posture using IMU sensors, collecting tri-axial data from 43 infants in real-time. Additional factors like age, stride length, and leg length were incorporated into the dataset.

RESULTS: Our team has applied various supervised machine learning approaches to predict CP in infants due to the limited dataset size, validating models through k-fold cross-validation. Among the models, Naive Bayes (NB) outperformed Logistic Regression (LR), Decision Tree (DT), Linear Discriminant Analysis (LDA), k-Nearest Neighbors (kNN), and Support Vector Machine (SVM), achieving an accuracy of 88%. CONCLUSION: This research contributes to the early detection and intervention of CP in infants, potentially improving their long-term outcomes.

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Published

01-03-2024

How to Cite

1.
Sukhadia N, Kamboj P. IMU-Based Approach to Detect Spastic Cerebral Palsy in Infants at Early Stages. EAI Endorsed Trans Perv Health Tech [Internet]. 2024 Mar. 1 [cited 2024 Apr. 21];10. Available from: https://publications.eai.eu/index.php/phat/article/view/5258