Subjective visual vertical and postural capability in children born prematurely

PloS One
Maria Pia BucciValerie Biran

Abstract

We compared postural stability and subjective visual vertical performance in a group of very preterm-born children aged 3-4 years and in a group of age-matched full-term children. A platform (from TechnoConcept) was used to measure postural control in children. Perception of subjective visual vertical was also recorded with posture while the child had to adjust the vertical in the dark or with visual perturbation. Two other conditions (control conditions) were also recorded while the child was on the platform: for a fixation of the vertical bar, and in eyes closed condition. Postural performance was poor in preterm-born children compared to that of age-matched full-term children: the surface area, the length in medio-lateral direction and the mean speed of the center of pressure (CoP) were significantly larger in the preterm-born children group (p < 0.04, p < 0.01, and p < 0.04, respectively). Dual task in both groups of children significantly affected postural control. The subjective visual vertical (SVV) values were more variable and less precise in preterm-born children. We suggest that poor postural control as well as perception of verticality observed in preterm-born children could be due to immaturity of the cortical proc...Continue Reading

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Citations

Mar 29, 2020·Pediatric Physical Therapy : the Official Publication of the Section on Pediatrics of the American Physical Therapy Association·Anwar B AlmutairiLaura Vogtle

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