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Upper and lower bod...
Upper and lower body functional asymmetries in the newborn : do they have the same lateral biases?
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- Domellöf, Erik, 1970- (författare)
- Umeå universitet,Institutionen för psykologi
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- Hopkins, Brian (författare)
- Department of Psychology, Lancaster, University, Lancaster, UK
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- Rönnqvist, Louise, 1957- (författare)
- Umeå universitet,Institutionen för psykologi
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(creator_code:org_t)
- 2005-02-24
- 2005
- Engelska.
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Ingår i: Developmental Psychobiology. - New York : Wiley. - 0012-1630 .- 1098-2302. ; 46:2, s. 133-140
- Relaterad länk:
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http://www3.intersci...
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visa fler...
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- It 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.
Nyckelord
- human newborn
- laterality
- stepping response
- placing response
- head turning
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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