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Fetal handedness and head position preference: a developmental study.

Vries, J. I. P. De and Wimmers, R. H. and Ververs, I. A. P. and Hopkins, Brian and Savelsbergh, G. J. P. and Geijn, H. P. Van (2001) Fetal handedness and head position preference: a developmental study. Developmental Psychobiology, 39 (3). pp. 171-178. ISSN 0012-1630

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Abstract

Hand-head contacts were observed by means of serial ultrasound recordings in 10 healthy fetuses from 12 to 38 weeks of gestational age. Contacts were distinguished as being unimanual or bimanual, and if unimanual, whether they were made with the right or left hand. Both types of contact and ones made unimanually with the right or left hand were identified at each age as to whether they were associated with a preferential head position. A strong unimanual bias was evident at each age except for Week 36. At this age, there was a bimanual bias. Unimanual contacts did not develop a lateralized preference, and neither type of contact established a stable relationship with head position. Furthermore, there was no evidence to support the suggestion that hand contact and head position codevelop to form a preferred ipsilateral synergy. Findings are discussed relative to contradictory evidence from other fetal and neonatal studies.

Item Type: Article
Journal or Publication Title: Developmental Psychobiology
Uncontrolled Keywords: human fetus ; laterality ; hand-head contact ; thumb sucking
Subjects: B Philosophy. Psychology. Religion > BF Psychology
Departments: Faculty of Science and Technology > Psychology
ID Code: 18837
Deposited By: ep_ss_importer
Deposited On: 04 Nov 2008 15:09
Refereed?: Yes
Published?: Published
Last Modified: 19 Sep 2014 12:44
Identification Number:
URI: http://eprints.lancs.ac.uk/id/eprint/18837

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