Upper and lower body functional asymmetries in the newborn: Do they have the same lateral biases?

Erik Domellöf; Brian Hopkins; Louise Rönnqvist

doi:10.1002/dev.20046

journal article Feb 24, 2005

Upper and lower body functional asymmetries in the newborn: Do they have the same lateral biases?

Erik Domellöf Brian Hopkins Louise Rönnqvist

Developmental Psychobiology Vol. 46 No. 2 pp. 133-140 · Wiley

View at Publisher Save 10.1002/dev.20046

Abstract

AbstractIt is still an open question as to whether functional asymmetries in the human newborn derive from a single lateralized system or multiple subsystems based on different neural mechanisms. In the present study, asymmetries in head turning were compared to those in leg movements during stepping and placing, with the latter also being related to differences in leg mass. The effects of an active versus an inactive state or condition were examined for all three behaviors. No overall lateral biases were found for head turning or for the first foot to move in stepping and placing, and there were no concordances among them; however, there was an asymmetry in that the left foot had a shorter onset latency when compared to the right foot for both stepping and placing. Findings are discussed in terms of what they imply about underlying neural systems that have a bearing on expressions of newborn laterality, and also with regard to the impact of methodological differences in this area of study. © 2005 Wiley Periodicals, Inc. Dev Psychobiol 46: 133–140, 2005.

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Metrics

8

Citations

35

References

Details

Published: Feb 24, 2005
Vol/Issue: 46(2)
Pages: 133-140
License: View

Authors

Funding

Swedish Research Council (VR) Award: 421-2001-4589

The Kempe Foundation

Cite This Article

Erik Domellöf, Brian Hopkins, Louise Rönnqvist (2005). Upper and lower body functional asymmetries in the newborn: Do they have the same lateral biases?. Developmental Psychobiology, 46(2), 133-140. https://doi.org/10.1002/dev.20046

Upper and lower body functional asymmetries in the newborn: Do they have the same lateral biases?

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