DEVELOPMENTAL-TRENDS IN FETAL HABITUATION TO VIBROACOUSTIC STIMULATION

被引：33

作者：

GROOME, LJ

GOTLIEB, SJ

NEELY, CL

WATERS, MD

机构：

[1] Division of Maternal-Fetal Medicine, Department of Obstetrics and Gynecology, The University of Alabama School of Medicine, Birmingham, Alabama

来源：

AMERICAN JOURNAL OF PERINATOLOGY | 1993年 / 10卷 / 01期

关键词：

D O I：

10.1055/s-2007-994700

中图分类号：

R71 [妇产科学];

学科分类号：

100211 ;

摘要：

Habituation is a measure of the ability to inhibit responding and is a more mature form of behavior than is persistent responding. We examined the developmental trend in habituation of the fetal startle response to repeated vibroacoustic stimulation in 90 normal human fetuses between 28 and 40 weeks of gestation. Fetal movement was graded according to the nature of the behavioral response: general startle (3), fast limb movement (2), slow rolling movement (1), and no movement (0). A significant developmental difference (p <0.0004) in the rate of habituation was found, with response decrement occurring faster in fetuses of more than 32 weeks of gestation. Furthermore, by dividing the patients into three gestational age groups, it was determined that the greatest change in the rate of habituation occurred between 28 and 32 weeks and 32 and 36 weeks. We conclude that the rate of fetal habituation may be determined by the degree of maturation of the neural circuitry governing this form of nonassociative learning.

引用

页码：46 / 49

页数：4

共 22 条

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