Auditory Brainstem Responses from Children Three Months to Three Years of Age

Gorga, Michael P.; Kamiński, Jan; Beauchaine, Kathryn L.; Jesteadt, Walt; Neely, Stephen T.

doi:10.1044/jshr.3202.281

Cited by 98 publications

(68 citation statements)

References 12 publications

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“…In the present study, evoked potentials were used to analyze the development of the auditory brainstem response to click and speech sounds in children between the ages of 3 and 12 years. The neural response to a click stimulus showed similar response timing across all age groups, in agreement with previously established reports (Salamy, 1984;Gorga et al, 1989;Ponton et al, 1992;Abdala and Folsom, 1995;Hurley et al, 2005). In contrast, peak latency measurements throughout the brainstem response to speech were significantly later for 3-to 4-year-old children compared with 5-to 12-year-olds.…”

Section: Discussionsupporting

confidence: 80%

Developmental Plasticity in the Human Auditory Brainstem

Johnson¹,

Nicol²,

Zecker³

et al. 2008

J. Neurosci.

145

126

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Development of the human auditory brainstem is thought to be primarily complete by the age of ϳ2 years, such that subsequent sensory plasticity is confined primarily to the cortex. However, recent findings have revealed experience-dependent developmental plasticity in the mammalian auditory brainstem in an animal model. It is not known whether the human system demonstrates similar changes and whether experience with sounds composed of acoustic elements relevant to speech may alter brainstem response characteristics. We recorded brainstem responses evoked by both click and speech syllables in children between the ages of 3 and 12 years. Here, we report a neural response discrepancy in brainstem encoding of these two sounds, observed in 3-to 4-year-old children but not in school-age children. Whereas all children exhibited identical neural activity to a click, 3-to 4-year-old children displayed delayed and less synchronous onset and sustained neural response activity when elicited by speech compared with 5-to 12-year-olds. These results suggest that the human auditory system exhibits developmental plasticity, in both frequency and time domains, for sounds that are composed of acoustic elements relevant to speech. The findings are interpreted within the contexts of stimulus-related differences and experience-dependent plasticity.

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Section: Discussionsupporting

confidence: 80%

Developmental Plasticity in the Human Auditory Brainstem

Johnson¹,

Nicol²,

Zecker³

et al. 2008

J. Neurosci.

145

126

View full text Add to dashboard Cite

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“…The normality criteria used in the auditory potential analysis was proposed by Gorga et al 24 , which protocol follows the same criteria used in the tests carried out at the UFMG-UH Audiology ward.…”

Section: Methodsmentioning

confidence: 99%

Deficiência auditiva na toxoplasmose congênita detectada pela triagem neonatal

Andrade¹,

Resende²,

Goulart³

et al. 2008

Rev. Bras. Otorrinolaringol.

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Congeni tal toxoplasmosis may cause sensorineural deficit in up to 20% of the patients and proper treatment in the first year improves prognosis. In Brazil, this infection's impact on hearing impairment is unknown. Aim: To evaluate hearing of newborns with congenital toxoplasmosis identified by the newborn screening service. Method: This prospective study analyzed children with congenital toxoplasmosis identified by newborn screening (IgM anti-T.gondii) in Belo Horizonte during 2003/2004. The presence of IgM and/or IgA in the first 6 months or IgG at 12 months-of age in serology was used as case definition. Hearing tests were carried out at the time of diagnosis and 12 months later, including behavioral audiometry, evoked otoacoustic emission and brainstem evoked responses audiometry. Results: Among 30.808 screened children (97% of live births), 20 had congenital toxoplasmosis, 15 (75%) were asymptomatic at birth. Nineteen children were evaluated by hearing tests. Four had sensorineural impairment (21.1%). One child had other risk factors for hearing impairment; the other three had no other risk factors but toxoplasmosis. Two properly children treated still had hearing loss, in disagreement with current literature. Conclusion: Results suggest that congenital toxoplasmosis, common in Brazil, is a risk factor for hearing impairment and its impact on hearing loss deserves further studies.

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“…Subjects taking part in this study were 40 full term infants; and children (1 month to 5 years) with normal hearing & neuropsychological development and 20 adults (18)(19)(20)(21)(22)(23)(24)(25). BAEP test procedure was explained and written consent was signed from the subjects (> 18 years) and from the parents of each subject who participated in the study.…”

Section: Materials and Methodmentioning

confidence: 99%

MATURATION OF BRAINSTEM AUDITORY EVOKED POTENTIAL FROM FULL TERM INFANTS & CHILDREN TO YOUNG ADULT

Khatoon

Nighute

Singh

et al. 2013

Int Jour of Biomed Res

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Age is one of the important factors in the clinical interpretation of Brainstem auditory evoked potential waveform components and it can change the value of peak latencies and interpeak latencies among different age groups. Initial auditory responses in neonates appear in the 26 th and 27 th weeks of pregnancy. Progressively over time, these follow a "maturation pattern" in which interwave intervals and latencies decrease and the amplitudes of the BAEPs increase. So the following study was performed to show the effect of maturation on BAEP wave latencies and amplitude from infants to children (1 month to 5 years) & adult (18-25 years). We recorded BAEP from sixty subjects; from them 40 were infants & children and 20 were adults. The recording was done using RMS EMG EP MARK II machine manufactured by RMS recorders and medicare system, Chandigarh. The absolute latencies and interpeak latencies for most waves reached to adult equivalence between 9 months to 3 years. The amplitudes of all BAEP waves increased with age, the greatest changes occurring during early infancy. It is clear that there is a distinct maturation pattern for the Brainstem auditory evoked potential.

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Auditory Brainstem Responses from Children Three Months to Three Years of Age

Cited by 98 publications

References 12 publications

Developmental Plasticity in the Human Auditory Brainstem

Developmental Plasticity in the Human Auditory Brainstem

Deficiência auditiva na toxoplasmose congênita detectada pela triagem neonatal

MATURATION OF BRAINSTEM AUDITORY EVOKED POTENTIAL FROM FULL TERM INFANTS & CHILDREN TO YOUNG ADULT

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