Human fetal heart rate change and movement in response to sound and vibration

Grimwade, James; Walker, David W.; Bartlett, Marshall K.; Gordon, Seymour; Wood, Carl

doi:10.1016/0002-9378(71)90839-8

Cited by 114 publications

(43 citation statements)

References 11 publications

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“…Because the onset of hearing in humans occurs prenatally (e.g., Grimwade, Walker, Bartlett, Gordon, & Wood, 1971), and because, in many respects, auditory function is probably quite mature by the sixth postnatal month, it is clear that many of the interesting events in auditory development are occurring at ages at which we have few tools for analyzing hearing. 627 Of course, electrophysiological measures such as the auditory brainstem response (ABR) and the cortical evoked potential can be used with younger infants (Hecox & Burkard, 1982;Klein, 1984).…”

mentioning

confidence: 99%

An observer-based psychoacoustic procedure for use with young infants.

Olsho

Koch²,

Halpin³

et al. 1987

Developmental Psychology

102

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This article describes an observer-based technique for assessing auditory capacities of infants from 3 to 12 months of age. This technique, referred to as the Observer-based Psychoacoustic Procedure (OPP), combines features of the Forced-choice Preferential Looking technique developed by Teller (1979) and of Visual Reinforcement Audiometry (Moore ; Thompson, & Thompson, 1975). The rationale behind the procedure and the specific techniques used in its application are detailed here. Psychometric functions and thresholds for pure-tone detection and frequency discrimination obtained with OPP are also presented. The results for 6-month-olds are compared with results from previous studies employing a visually reinforced head-turn procedure. 627

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mentioning

confidence: 99%

An observer-based psychoacoustic procedure for use with young infants.

Olsho

Koch²,

Halpin³

et al. 1987

Developmental Psychology

102

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“…Fetal responses are assessed by measures of fetal habituation that reveal neurological integrity and maturity [Hepper, 1997;Doherty and Hepper, 2000;Sandman et al, 1997Sandman et al, , 1999b. Convincing evidence indicates that the fetus detects and responds to a variety of ex utero stimuli [Leader, 1994;Leader et al, 1982;Shalev et al, 1989;Zimmer et al, 1993;Grimwade et al, 1971;DeCasper and Fifer, 1980;Fifer and Moon, 1989;Groome et al, 1999;Lecanuet et al, 1988]. Fetal arousal to external stimulation is observed by 22 weeks and by 25-28 weeks of gestation, fetuses habituate to external stimulation [Doherty and Hepper, 2000;Leader et al, 1982;Leader and Baille, 1988;Madison et al, 1986aMadison et al, , 1986bShalev et al, 1989Shalev et al, , 1990Kisilevsky et al, 1992;Shahidullah and Hepper, 1994].…”

mentioning

confidence: 99%

Maternal Hypothalamic-Pituitary-Adrenal Disregulation during the Third Trimester Influences Human Fetal Responses

Sandman¹,

Glynn²,

Wadhwa

et al. 2003

Dev Neurosci

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Maternal peptides from the hypothalamic-pituitary-adrenal (HPA) axis rise during human pregnancy. The effects of circulating maternal adrenocorticotropin (ACTH) and β-endorphin (BE) on human fetal behavior was determined in 135 women during their 32nd week of gestation. Fetal behavior was measured by assessing heart rate habituation to a series of repeated vibroacoustic stimuli. Individual differences in habituation were determined by computing the number of consecutive responses above the standard deviation during a control period. There was no significant relation between levels of ACTH, BE and the rate of fetal heart rate habituation. However, an index of HPA disregulation (uncoupling of ACTH and BE) was related significantly to fetal behavior. Fetal exposure to high levels of maternal BE relative to ACTH was associated with significantly lower rates of habituation. Results indicate that maternal stress and stress-related peptides influence fetal response patterns. It is possible that this influence persists over the life span.

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“…After the 14th week of gestation, a number of additional reflexes first appear to result in a gain in forcefulness of the FM. Maturation of the nervous system with gestational age enlarges the range of sensitivity of the fetus to external stimuli such as vibration, noise [3,4] and light [6] and increases the number of manifested evoked FM.…”

Section: Discussionmentioning

confidence: 99%

“…There are two types of external stimuli. The one originating in the extrauterine environment, such as sound [3,4], vibration [3,4], touch [5] and light [6]. The second type is produced by the mother and con sists mainly of noise stimuli [7].…”

Section: Introductionmentioning

confidence: 99%

Incidence of Spontaneous and Evoked Fetal Movements in the First Half of Twin Pregnancy

Samueloff

Younis

Strauss

et al. 1991

Gynecol Obstet Invest

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Fetal movements (FM) may be spontaneous, originating in the fetus itself, or evoked, caused by external stimuli. The FM in 21 normal twin pregnancies at 10 and 21 weeks of gestation were studied. The percentage rate of evoked FM which occur simultaneously in both twins was 4.96% of all observed FM. The rate of the spontaneous FM which occur independently in each fetus was 95.04% of all FM. The low incidence of evoked FM, at an early gestational age (10–21 weeks) emphasizes the ability of these young fetuses to perceive external stimuli and to react to them by FM.

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Human fetal heart rate change and movement in response to sound and vibration

Cited by 114 publications

References 11 publications

An observer-based psychoacoustic procedure for use with young infants.

An observer-based psychoacoustic procedure for use with young infants.

Maternal Hypothalamic-Pituitary-Adrenal Disregulation during the Third Trimester Influences Human Fetal Responses

Incidence of Spontaneous and Evoked Fetal Movements in the First Half of Twin Pregnancy

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