Behavioral state affects heart rate response to low-intensity sound in human fetuses

Groome, Lynn J.; Mooney, Donna M.; Holland, Scherri B.; Smith, Lisa A.; Atterbury, Jana L.; Dykman, Roscoe A.

doi:10.1016/s0378-3782(98)00083-8

Cited by 51 publications

(33 citation statements)

References 38 publications

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“…For example, rats' fetal heart rate decreases following intra-oral exposure to lemon-flavored solution (Smotherman & Robinson, 1992). These results find support in a study examining human fetuses stimulated with 30 s of speech sounds while sleeping (Groome et al, 1999). Heart rate decreased in response to auditory stimulation, with a greater decrease occurring during active sleep than quiet sleep.…”

Section: Discussionsupporting

confidence: 72%

Effects of prenatal visual stimulation on growth and heart rate in bobwhite quail (Colinus virginianus)

Sleigh

Birchard

2006

Dev. Psychobiol.

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This study examined the effects of prenatal visual stimulation on bobwhite quail embryos' growth and heart rate. No differences in growth rate were found between embryos exposed to visual stimulation during the late prenatal period and control embryos. Embryos exposed to visual stimulation throughout incubation maintained lower heart rates in response to visual stimulation than did naïve embryos. In a subsequent experiment, naïve embryos that underwent an egg-opening procedure exhibited heart rates that were lower than embryos measured in intact eggshells. Embryos in opened eggs maintained lower heart rates than comparison embryos across time; however, a less invasive egg-opening procedure led to a quicker heart rate recovery than did a more invasive egg-opening procedure. These findings indicate that prenatal heart rate responses may be mediated by multiple features of the organism's developmental context, including intensity and duration of sensory stimulation.

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Section: Discussionsupporting

confidence: 72%

Effects of prenatal visual stimulation on growth and heart rate in bobwhite quail (Colinus virginianus)

Sleigh

Birchard

2006

Dev. Psychobiol.

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“…Heart rate increases were evoked in a state in which responsiveness (at least auditory ones) is supposedly reduced (1F state/quiet sleep) (Groome et al, 1999;Lecanuet et al, 1986Lecanuet et al, , 1988Schmidt et al, 1985), suggesting that they were true responses to``relatively strong'' stimulation. The impact of antero±posterior displacement is especially appreciated because strong shaking of the uterine fundus given in the same low HR variability state did not elicit activity (Richardson et al, 1981;Visser et al, 1983).…”

Section: Discussionmentioning

confidence: 99%

Fetal responsiveness to maternal passive swinging in low heart rate variability state: Effects of stimulation direction and duration

Lecanuet

Jacquet

2001

Developmental Psychobiology

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Pregnant women, carrying end of gestation fetuses (38-41 weeks gestational age) were either gently rocked in an anterior posterior plane in a rocking chair or gently swayed laterally in a garden glider. Stimulation lasted for either 5 or 26 s (R5 & R26, SW5 & SW26). Fetal heart rate (HR) (bpm) and ultrasonically detected fetal movements were recorded 26 s before and during stimulation. Heart rate data were processed two ways: (a) ANOVAs performed on average values for each group and (b) comparisons of the proportion of subjects in each group showing HR accelerative change (AC), HR decelerative change (DC), or no change (NC) using chi2 statistics. HR direction and amplitude of changes were determined with the help of a conservative procedure previously developed and fitted to multidirectional HR responses (Lecanuet, Granier-Deferre, Jacquet, & Busnel, 1992). Results of ANOVAs indicated that a 26-s rocking stimulation induced a significant average HR acceleration (4.53 bpm) compared to a nonstimulated (control) group. Five seconds of rocking had a weaker, but still significant, effect on HR acceleration, but the two swaying conditions did not reliably affect either the HR or behavioral measures. Processing data nonparametrically confirmed that R26 stimulation evoked mostly AC (72%) and identified a gradual decrement of AC and DC percentage responses from Group R5, SW26 to Group SW5 while NC percentages raised. Hypotheses concerning the target sense activated by this stimulation were considered in relation to responses to auditory stimuli.

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“…Immature fetuses have been observed to respond with both accelerations and small decelerations in heart rate to stimulation [Kisilevsky et al, 1992;DiPietro et al, 1996b]. At term, airborne auditory stimuli can also elicit deceleratory responses, suggesting the possibility of a biphasic orienting response [Lecanuet et al, 1992], such responsivity is modulated by behavioral state [Groome et al, 1999a]. Fetal responsiveness to light stimulation of the maternal abdomen has also been reported to be state dependent [Kiuchi et al, 2000].…”

Section: Fetal Responsivitymentioning

confidence: 99%

Neurobehavioral assessment before birth

DiPietro

2005

Ment. Retard. Dev. Disabil. Res. Rev.

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The complexities of neurobehavioral assessment of the fetus, which can be neither directly viewed nor manipulated, cannot be understated. Impetus to develop methods for measuring fetal neurobehavioral development has been provided by the recognition that individual differences in neurobehavioral functioning do not originate with birth and acceptance of the key contribution of the antenatal period to postnatal life. Research has centered around four aspects of fetal functioning: heart rate, motor activity, behavioral state, and responsivity to stimulation. Longitudinal studies have revealed that the developmental trajectories of these characteristics parallel the developing nervous system, detected a transitional period between 28 and 32 weeks gestation, and established within-fetal stability during the second half of gestation. Despite the promise of fetal stimulation and habituation paradigms as measures of neural functioning, significant safety and ethical concerns exist. Construction of a unified fetal neurobehavioral scale is premature until a sufficient degree of normative data is available and the predictive validity of specific aspects of fetal neurobehavior to child developmental outcomes is better established.

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Behavioral state affects heart rate response to low-intensity sound in human fetuses

Cited by 51 publications

References 38 publications

Effects of prenatal visual stimulation on growth and heart rate in bobwhite quail (Colinus virginianus)

Effects of prenatal visual stimulation on growth and heart rate in bobwhite quail (Colinus virginianus)

Fetal responsiveness to maternal passive swinging in low heart rate variability state: Effects of stimulation direction and duration

Neurobehavioral assessment before birth

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