Goodwin R S, Michel G F
Child Dev. 1981 Sep;52(3):819-26.
This study of lateral preferences of normal full-term infants found, as predicted, that infants who were delivered from a left occiput anterior or transverse birth position (head turned to the right) exhibited a neonatal right supine head orientation and a right-hand preference in visually guided reaching tasks at 19 weeks. Contrary to prediction, infants delivered from a right occiput anterior or transverse birth position (head turned to the left) did not exhibit a left-sided preference in either neonatal head position or hand preference. Results are discussed in relation to other research which found a right shift in neonates' head orientations and in the distribution of hand preference in the human population. The findings suggest further investigation into the relationship between prenatal and postnatal postural asymmetries and the continuing development of laterality.
这项针对正常足月婴儿侧向偏好的研究发现,正如预期的那样,从左枕前位或横位分娩(头部转向右侧)的婴儿在19周时,在视觉引导的够物任务中表现出新生儿期右侧仰卧头部朝向和右手偏好。与预期相反,从右枕前位或横位分娩(头部转向左侧)的婴儿在新生儿期头部位置或手偏好方面均未表现出左侧偏好。研究结果结合其他研究进行了讨论,其他研究发现新生儿头部朝向和人群中手偏好的分布存在右移现象。这些发现表明需要进一步研究产前和产后姿势不对称与偏侧性持续发展之间的关系。