Early Infant Motor Asymmetries and Handedness: A Critical Evaluation of the Evidence

Provins K.A. (1992) Early Infant Motor Asymmetries and Handedness: A Critical Evaluation of the Evidence. Developmental Neuropsychology, 8 4: 325-365. doi:10.1080/87565649209540531


Author Provins K.A.
Title Early Infant Motor Asymmetries and Handedness: A Critical Evaluation of the Evidence
Journal name Developmental Neuropsychology   Check publisher's open access policy
ISSN 1532-6942
Publication date 1992-01-01
Sub-type Article (original research)
DOI 10.1080/87565649209540531
Volume 8
Issue 4
Start page 325
End page 365
Total pages 41
Subject 3204 Developmental and Educational Psychology
3206 Neuropsychology and Physiological Psychology
Abstract Evidence relating to early infant motor asymmetries is critically evaluated with respect to (a) hand and arm movements, (b) head turning and the rooting reflex, (c) postural orientation, and (d) parental holding and carrying practices. The evidence suggests that where asymmetries occur, they may be temporary developments that reflect the cumulative pre- and/or postnatal experiences of the infant up to that time. Claims of early infant and other asymmetries predicting adult handedness are considered doubtful in view of the handedness criteria employed. Spontaneous fluctuations in both the absolute and relative activity of the right and left hands characteristic of infancy may also account for some of the otherwise incompatible findings reported previously. It is suggested that there is currently insufficient behavioral evidence to conclude that the cerebral lateralization of motor functions is based on a hemispheric specialization that is fixed at birth and is unchanging thereafter. Some possible lines for future research are indicated.
Q-Index Code C1
Q-Index Status Provisional Code
Institutional Status Unknown

Document type: Journal Article
Sub-type: Article (original research)
Collection: Scopus Import - Archived
 
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Created: Tue, 14 Jun 2016, 11:48:20 EST by System User