Developmental aspects of infant’s cry melody and formants

Wermke, Kathleen; Mende, W.; Manfredi, Claudia; Bruscaglioni, P.

doi:10.1016/s1350-4533(02)00061-9

Cited by 88 publications

(68 citation statements)

References 17 publications

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“…Other parameters which may indicate a pain response are the chaotic changes in spectrograms from sound recordings. 10,[13][14][15] Besides these behavioral responses, there are a number of physiological indicators reflecting activation of the sympathetic nervous system, most frequently used in the Neonatal Intensive Care Unit is the heart rate (HR). 8 We hypothesized that the mode of delivery would have a pronounced effect on physiological and behavioral responses of neonates to noxious sensory stimuli.…”

Section: Introductionmentioning

confidence: 99%

Mode of delivery modulates physiological and behavioral responses to neonatal pain

et al. 2008

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Objective: To study whether the mode of delivery alters pain expression.Study Design: Full-term infants born by vaginal delivery or elective caesarean section were observed following high-and low-intensity pain stimuli, with recording of electrocardiogram, facial expression and vocalization.Result: Graded physiological and behavioral responses occurred, with greater responses to higher than lower intensity pain stimuli. Elevation in heart rate following both stimuli increased with time after vaginal delivery. Infants delivered by elective caesarean section showed stronger facial expressions and briefer time in vocalizations response to both interventions. Conclusion:Diminished responses following vaginal delivery suggest that physiological events associated with a normal delivery reduce the physiologic and sympathoadrenal activation by nociceptive mechanisms. Pain and stress reactivity appear to be inhibited during fetal life and sensory inputs during vaginal delivery may reverse this inhibition. To minimize neonatal pain, we recommend that postnatal invasive procedures to be performed shortly after vaginal birth.

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Section: Introductionmentioning

confidence: 99%

Mode of delivery modulates physiological and behavioral responses to neonatal pain

et al. 2008

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“…Kent reports that the early divergence between speech and nonspeech motor activities indicates that separate neural control systems are established in infancy [18]. Wermke et al [19] documented a progressive increase in the ability of decoupling during crying in twins at age 8 -9 weeks, 15-17 weeks and 23 -24 weeks (postnatal age). Although the increase of the degree of decoupling has been observed, it was not clear to which extent three day old term neonates were able to decouple their energy envelope from their fundamental frequency.…”

Section: Neurodevelopmental Aspectsmentioning

confidence: 99%

Decoupling between fundamental frequency and energy envelope of neonate cries

Silva

Mijović

Bergh

et al. 2010

Early Human Development

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General rightsCopyright and moral rights for the publications made accessible in the public portal are retained by the authors and/or other copyright owners and it is a condition of accessing publications that users recognise and abide by the legal requirements associated with these rights.-Users may download and print one copy of any publication from the public portal for the purpose of private study or research -You may not further distribute the material or use it for any profit-making activity or commercial gain -You may freely distribute the URL identifying the publication in the public portal Take down policyIf you believe that this document breaches copyright, please contact us providing details, and we will remove access to the work immediately and investigate your claim. Background: The presence of decoupling, i.e. the absence of coupling between fundamental frequency variation and energy envelope during phonetic crying, and its extent, reflects the degree of maturation of the central nervous system. Aim: We hereby wanted to assess the existence and extent of decoupling in term neonates (neurodevelopmental relevance) and whether an association between decoupling and clinical pain expression could be unveiled (clinical relevance). Study design: To assess decoupling in healthy term neonates during procedural pain, newborns were videotaped and crying was recorded during venous blood sampling. Besides acoustic analysis, pain expression was quantified based on the Modified Behavioral Pain Scale (MBPS). Subjects: 47 healthy term neonates underwent venous blood puncture at the 3rd day of life. Outcome measures: Beside the MBPS score, the correlation coefficients were calculated between the fundamental frequency variation and energy envelope of the cries. Results: Based on data collected in 47 healthy term neonates, correlation coefficients varied between 0.20 and 0.68. The degree of decoupling displayed extensive variability between the neonates and also in different cry bouts in a crying sequence within an individual neonate. A negative association was found between MBPS value and decoupling (r 2 = − 0.12), the same as for the intra-subject variability although less extensive (r 2 = − 0.02). Conclusion:Decoupling only relates weakly with the amount of distress in 3 day old newborns, even though a great intra-subject variability is present. This study suggests that there is no evidence of extensive decoupling as the newborn still has to fully develop the control of larynx and abdominal muscles.

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“…Several approaches were tested on synthetic and real signals [7,10,11,23]. An automatic adaptive parametric approach was developed, called BioVoice [24], and successfully applied to newborn cry [7,25,26].…”

Section: Introductionmentioning

confidence: 99%

“…To the authors' knowledge only two software tools exist specifically designed for the automatic analysis of infant crying. The above mentioned BioVoice [7,23,[25][26][27], based on an innovative adaptive parametric approach for F 0 and formants estimation [10] and successfully tested against other software tools [11,28] and a software tool recently proposed by Reggiannini et al [20] that estimates F 0 by means of a cepstrum approach. [11].…”

Section: Introductionmentioning

confidence: 99%

Testing software tools for newborn cry analysis using synthetic signals

Orlandi

Bandini

Fiaschi

et al. 2017

Biomedical Signal Processing and Control

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a b s t r a c tContactless techniques are of increasing clinical interest as they can provide advantages in terms of comfort and safety of the patient with respect to sensor-based methods. Therefore, they are particularly well suited for vulnerable patients such as newborns. Specifically the acoustical analysis of the infant cry is a contactless approach to assist the clinical specialist in the detection of abnormalities in infants with possible neurological disorders. Along with the perceptual analysis, the automated analysis of infant cry is usually performed through software tools that however might not be devoted to this specific signal. The newborn cry is a signal extremely difficult to analyze with standard techniques due to its quasi-stationarity and to very high range of frequencies of interest. Therefore software tools should be specifically set and used with caution. To address this issue three methods are tested and compared, one freely available and other two specifically built using different approaches: autoregressive adaptive models and wavelets. The three methods are compared using synthetic signals coming from a synthesizer developed for the generation of basic melodic shapes of the newborn cry. Results point out strengths and weaknesses of each method, thus suggesting their most appropriate use according to the goals of the analysis.

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Developmental aspects of infant’s cry melody and formants

Cited by 88 publications

References 17 publications

Mode of delivery modulates physiological and behavioral responses to neonatal pain

Mode of delivery modulates physiological and behavioral responses to neonatal pain

Decoupling between fundamental frequency and energy envelope of neonate cries

Testing software tools for newborn cry analysis using synthetic signals

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