Research Topics
| C AbdalaSummaryAffiliation: House Ear Institute Country: USA Publications
Research Grants
| Collaborators
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Detail Information
Publications
Maturation and Aging of the Human Cochlea: A View through the DPOAE Looking GlassCarolina Abdala
Division of Communication and Auditory Neuroscience, House Research Institute, 2100 W Third St, Los Angeles, CA, 90057, USA
J Assoc Res Otolaryngol 13:403-21. 2012....- Effects of aspirin on distortion product otoacoustic emission suppression in human adults: a comparison with neonatal dataCarolina Abdala
House Ear Institute, 2100 West Third Street, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 118:1566-75. 2005..This finding does not support the hypothesis that non-adultlike DPOAE suppression characterizing newborns can be explained by minor impairments or alterations of OHC function... - Effects of middle-ear immaturity on distortion product otoacoustic emission suppression tuning in infant earsCarolina Abdala
House Ear Institute, 2100 West Third Street, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 120:3832-42. 2006..Results show that once the immaturity was compensated for by providing infants with a relative increase in primary tone level, DPOAE suppression tuning at f2= 6000 Hz was similar in adults and infants... - Distortion product otoacoustic emission suppression tuning and acoustic admittance in human infants: birth through 6 monthsCarolina Abdala
House Ear Institute, 2100 West Third Street, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 121:3617-27. 2007..Study of older infants and children is needed to fully define postnatal immaturity of human peripheral auditory function... - Changes in the DP-gram during the preterm and early postnatal periodCarolina Abdala
House Ear Institute, 2100 West Third Street, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
Ear Hear 29:512-23. 2008..This information provides normative guidelines for audiologists or hearing screeners using DPOAEs to monitor infant hearing status... - Considering distortion product otoacoustic emission fine structure in measurements of the medial olivocochlear reflexCarolina Abdala
House Ear Institute, Los Angeles, California 90057, USA
J Acoust Soc Am 125:1584-94. 2009..e., when DPOAE components are constructive and in phase), suppression is reliably observed and level enhancement, which probably reflects component mixing in the ear canal rather than strength of the MOC reflex, is eliminated... - Distortion product otoacoustic emission phase and component analysis in human newbornsCarolina Abdala
Division of Communication and Auditory Neuroscience, House Ear Institute, 2100 West Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 127:316-25. 2010..The enhanced contribution from the CF component may have implications for clinical practice as well as for theories of cochlear maturation... - Differences in distortion product otoacoustic emission phase recorded from human neonates using two popular probesCarolina Abdala
Division of Communication and Auditory Neuroscience, House Ear Institute, 2100 W Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 128:EL49-55. 2010..Results highlight the importance of detecting and correcting for system-related phase shifts so they are not misinterpreted as cochlear in origin... - The breaking of cochlear scaling symmetry in human newborns and adultsCarolina Abdala
Division of Communication and Auditory Neuroscience, House Research Institute, 2100 West Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 129:3104-14. 2011.... - Level dependence of distortion product otoacoustic emission phase is attributed to component mixingCarolina Abdala
Division of Communication and Auditory Neuroscience, House Research Institute, 2100 West Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 129:3123-33. 2011..These results have implications for the use of DPOAE phase to study cochlear mechanics and for the potential application of DPOAE phase for clinical purposes... - Distortion product otoacoustic emission (2f1-f2) suppression in 3-month-old infants: evidence for postnatal maturation of human cochlear function?Carolina Abdala
Children s Auditory Research and Evaluation Center, House Ear Institute, 2100 West Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 116:3572-80. 2004..Results may have been influenced by noncochlear factors, such as middle-ear immaturity. These factors are reviewed and considered... - A longitudinal study of distortion product otoacoustic emission ipsilateral suppression and input/output characteristics in human neonatesCarolina Abdala
Children s Auditory Research and Evaluation Center, House Ear Institute, 2100 West Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 114:3239-50. 2003..Term-born neonates showed DPOAE results that were comparable to those measured from premature neonates and unlike adult findings. These results suggest that a subtle immaturity in cochlear function persists into the postnatal period... - Maturation of cochlear nonlinearity as measured by distortion product otoacoustic emission suppression growth in humansCaroline Abdala
Children s Auditory Research and Evaluation Center, House Ear Institute, 2100 West Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 114:932-43. 2003..These findings suggest that an immaturity of cochlear nonlinearity persists into the first months of postnatal life. DPOAE suppression growth examined for a small group of hearing-impaired children also showed abnormalities... - Ipsilateral distortion product otoacoustic emission (2f1-f2) suppression in children with sensorineural hearing lossCarolina Abdala
Children s Auditory Research and Evaluation Center, House Ear Institute, 2100 West Third Street, Los Angeles, California 90057, USA
J Acoust Soc Am 114:919-31. 2003..The unique patterns of atypical DPOAE suppression in subjects with similar audiograms may suggest different patterns of underlying sensory cell damage. This speculation warrants further investigation... - DPOAE suppression tuning: cochlear immaturity in premature neonates or auditory aging in normal-hearing adults?C Abdala
House Ear Institute, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 110:3155-62. 2001..However, nonadultlike suppression growth observed in children at 6000 Hz warrants further attention and may be indicative of subtle alternations in the adult cochlea at high frequencies... - A developmental study of distortion product otoacoustic emission (2f1-f2) suppression in humansC Abdala
House Ear Institute, Children s Auditory Research and Evaluation Center, Los Angeles, CA 90057, USA
Hear Res 121:125-38. 1998..However, findings may indicate that an immaturity exists in cochlear frequency resolution and non-linearity just prior to term birth. The bases of this immaturity are hypothesized to be outer hair cell in origin... - Maturation of the human cochlear amplifier: distortion product otoacoustic emission suppression tuning curves recorded at low and high primary tone levelsC Abdala
House Ear Institute, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 110:1465-76. 2001.... - Maturation of medial efferent system function in humansC Abdala
House Ear Institute, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 105:2392-402. 1999..Contralateral enhancement may reflect a temporary stage of immaturity in outer hair cell-medial efferent fiber synapses just prior to term birth... - Distortion product otoacoustic emission (2f1-f2) amplitude growth in human adults and neonatesC Abdala
House Ear Institute, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 107:446-56. 2000..Outer hair cell function and/or efferent regulation of outer hair cell function are hypothesized sources of this immaturity, although some contribution from the immature middle ear cannot be ruled out... - Auditory threshold sensitivity of the human neonate as measured by the auditory brainstem responseY S Sininger
Children s Auditory Research and Evaluation Center, House Ear Institute, Los Angeles, CA 90057, USA
Hear Res 104:27-38. 1997..Threshold elevation is greatest for the high-frequency stimuli. Result are consistent with neural immaturity for high-frequency stimuli in the auditory system of human neonates... - Distortion product otoacoustic emission (2f1-f2) amplitude as a function of f2/f1 frequency ratio and primary tone level separation in human adults and neonatesC Abdala
House Ear Institute, Children s Auditory Research and Evaluation Center, Los Angeles, California 90057, USA
J Acoust Soc Am 100:3726-40. 1996..This finding is in agreement with previous work from our laboratory reporting adult-like DPOAE suppression tuning curves in term-born neonates [Abdala et al., Hear. Res. (1996)]... - Gender distinctions and lateral asymmetry in the low-level auditory brainstem response of the human neonateY S Sininger
Children s Auditory Research and Evaluation Center, House Ear Institute, Los Angeles, CA 91401, USA
Hear Res 126:58-66. 1998..The argument is made that superior right ear performance may be part of cerebral laterality in auditory function... - A comparative study of distortion-product-otoacoustic-emission fine structure in human newborns and adults with normal hearingSumitrajit Dhar
Hugh Knowles Center, Roxelyn and Richard Pepper Department of Communication Sciences and Disorders, Northwestern University, Evanston, Illinois 60208, USA
J Acoust Soc Am 122:2191-202. 2007.... - Theory of forward and reverse middle-ear transmission applied to otoacoustic emissions in infant and adult earsDouglas H Keefe
Boys Town National Research Hospital, 555 North 30th Street, Omaha, Nebraska 68131, USA
J Acoust Soc Am 121:978-93. 2007..The forward middle-ear transmittance level was -16 dB less in infants, so that the conductive efficiency was poorer in infants than adults... - The Latin American Spanish hearing in noise testClemencia Baron de Otero
Fundacion Santa Fe de Bogota, Bogota, Colombia
Int J Audiol 47:362-3. 2008
Research Grants
- Postnatal Cochlear Maturation and Sources of ImmaturityCarolina Abdala; Fiscal Year: 2005..Correlations between variance in energy reflectance and variance in DPOAE suppression and amplitude will be examined to elucidate the contribution of an immature middle ear system to immaturities in DPOAE suppression. ..
- Peripheral Auditory System Function in Humans: Continuum of Maturation and AgingCarolina Abdala; Fiscal Year: 2009....
- Peripheral Auditory System Function in Humans: Continuum of Maturation and AgingCarolina Abdala; Fiscal Year: 2010....