16 resultados para brainstem glioma
em School of Medicine, Washington University, United States
Resumo:
This paper presents a study examining auditory steady state response (ASSR) assessments compared to auditory brainstem response (ABR) assessments. The study examines the relationship between behavioral thresholds, click- and toneburst-ABR thresholds, and ASSR thresholds for normal hearing subjects using the commercially available GSI Audera instrument.
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This paper discusses the auditory brainstem response (ABR) testing for infants.
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This paper compares conventional auditory brainstem response tests (ABRs) and Maximum Length Sequence auditory brainstem response tests (MLS ABRs). The results found that the faster MLS ABRs could prove an accurate screening tool for auditory sensitivity.
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This paper investigates the effect of varying presentation (click) rates in variance ratios for auditory brainstem responses (ABR).
Auditory brainstem response with alternative transducers: implications for newborn hearing screening
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This paper studies the efficacy of a bone-conducted transducer compared to a traditional air conduction transducer for auditory brainstem response screening of newborns.
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This paper presents a study of the effects of extracorporeal membrane oxygenation (ECMO) on the auditory brainstem response (ABR) of twenty-three neonates, and whether there was asymmetric ABRs in the neonates who had ECMO.
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This paper compares the auditory steady state response (ASSR) thresholds with the click-evoked and tone burst auditory brainstem response (ABR) thresholds in their ability to predict known behavioral thresholds in normal-hearing adults.
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Speech-evoked auditory brainstem responses (ABRs) were acquired in quiet and in the presence of noise at two study sessions to investigate 1) test-retest variability and 2) subcortical representation of speech stimuli. Participants were adults with normal hearing in both ears who listened monaurally and adults with unilateral deafness. Results indicate consistency in responses across sessions and several differences between hearing groups for magnitudes of discrete components.
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Little is known about the way speech in noise is processed along the auditory pathway. The purpose of this study was to evaluate the relation between listening in noise using the R-Space system and the neurophysiologic response of the speech-evoked auditory brainstem when recorded in quiet and noise in adult participants with mild to moderate hearing loss and normal hearing.
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The recent discovery of the contribution of alpha synuclein in the auditory system prompted further investigation of its functional role. Auditory brainstem response (ABR) and gap detection testing were completed on wild-type and transgenic M83 mice to assess the role of alpha synuclein in noise-induced hearing loss and central auditory function.
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The recent discovery of synuclein proteins in peripheral auditory tissues has prompted a closer examination of the role of these proteins in hearing. In the present study, auditory brainstem response thresholds of synuclein knockout mice are compared to wild type mice.
Resumo:
Interpretation of 1000 Hz tympanometry is not standardized. Several compensated and uncompensated measures were analyzed and compared to otologic findings. Results of auditory brainstem testing and otoacoustic emissions were considered to better obtain middle ear status. Findings were inconclusive due to small sample size.
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This paper discusses a study to test two methods of hearing screening for infants--visual reinforcement audiometry and auditory brainstem responses.
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This paper studies trends in the use of diagnostic auditory brainstem response (ABR) at St. Louis Children's Hospital from 1984 to 2001 in light of legislative changes in Missouri mandating screening for hearing loss in all newborns beginning January 1, 2002.