Evaluation of general movements in infants with an electromagnetic tracking system – first steps towards the discrimination of variability of spontaneous movements

Development of early predictors of long-term neurodevelopmental outcomes for extremely preterm and/or extremely low birth weight infants

“…Kim and colleagues initially reported the use of four electromagnetic sensors attached to high-risk and low-risk preterm infants between 38-weeks PMA and 46-weeks CA and found that "visualization of spontaneous movements as trajectories" and "quantitative spatial-temporal analysis of trajectory patterns" correlated with standard GMs assessment (259). The same group went on to report the use of the electromagnetic tracking system in several studies (260)(261)(262)(263)(264). They found abnormalities in the time-frequency analysis with infants who had definitely abnormal GMs having movements with high frequencies and high amplitudes (263).…”

“…The same group went on to report the use of the electromagnetic tracking system in several studies (260)(261)(262)(263)(264). They found abnormalities in the time-frequency analysis with infants who had definitely abnormal GMs having movements with high frequencies and high amplitudes (263). Karch and colleagues reported the use of an electromagnetic tracking system consisting of eight markers to calculate a "stereotypy score" in a high-risk group of infants based on their movements at three months of age.…”