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Journal of the American Audiology Society最新文献

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Auditory effects of noise on infant and adult guinea pigs. 噪音对婴儿和成年豚鼠的听觉影响。
Journal of the American Audiology Society Pub Date : 1977-09-01
J Danto, A J Caiazzo
{"title":"Auditory effects of noise on infant and adult guinea pigs.","authors":"J Danto,&nbsp;A J Caiazzo","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This pilot study compared the susceptibility of the infant (48 hr) and adult (120 days) guinea pig to the effects of noise. Subjects were exposed to a narrow band of noise (center frequency 4 kHz) at an intensity of 115 dB sound pressure level (SPL) for 1 hr. Postexposure thresholds were obtained by a conditioned suppression technique. Results indicated that the infant animals displayed a mean hearing threshold of 25 dB SPL that significantly differed from the adult mean threshold of 7.5 dB SPL.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"99-101"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12098218","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Eye closure and the acoustic reflex threshold. 闭眼和声反射阈值。
Journal of the American Audiology Society Pub Date : 1977-09-01
S D Stephens, B Blegvad, H J Krogh
{"title":"Eye closure and the acoustic reflex threshold.","authors":"S D Stephens,&nbsp;B Blegvad,&nbsp;H J Krogh","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Eye closure during measurement of the acoustic reflex threshold has been found on average to lower the threshold by 1.2 dB. It had no significant effect on the intra- or intersubject variability of the measure. It is concluded that it probably has little significance from the standpoint of clinical testing.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"88-90"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12098222","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Bone conduction speech audiometry in normal subjects. 正常受试者骨传导语音测听。
Journal of the American Audiology Society Pub Date : 1977-09-01
B J Edgerton, J L Danhauer, R C Beattie
{"title":"Bone conduction speech audiometry in normal subjects.","authors":"B J Edgerton,&nbsp;J L Danhauer,&nbsp;R C Beattie","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The present study was designed to investigate: (1) the relationship among bone conduction (BC) pure tone averages, BC speech reception thresholds (SRTs), and BC speech detection thresholds for normal subjects; (2) short term reliability of BC SRTs; and (3) characteristics of the articulation functions for spondees obtained by bone conduction. Twenty-five normal-hearing young adults participated. The data revealed that BC SRT-pure tone average and SRT-speech detection threshold relationships are essentially the same as for air conduction. A comparison of the articulation functions for air conduction and BC revealed no practical difference between the two modes of stimulus presentation.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"84-7"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12099505","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Pure tone delayed auditory feedback. Effect of hearing loss on disruption of tapping performance. 纯音延迟听觉反馈。听力损失对敲击表演中断的影响。
Journal of the American Audiology Society Pub Date : 1977-09-01
W A Cooper, T E Stokinger, B L Billings
{"title":"Pure tone delayed auditory feedback. Effect of hearing loss on disruption of tapping performance.","authors":"W A Cooper,&nbsp;T E Stokinger,&nbsp;B L Billings","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Pure tone delayed auditory feedback audiometry was administered to 20 veterans with normal hearing at 1 kHz and a sensorineural hearing loss associated with noise exposure at 4 kHz. Absolute and relative time errors as well as pattern errors were analyzed for the group and for each individual. Mean data showed no difference between error measures for the two frequencies. However, individual data revealed that errors in the subjects' performance occurred at a level slightly closer to threshold at the frequency with the hearing loss (4 kHz) than at the frequency at which hearing was normal (1 kHz).</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"102-7"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12099500","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Effects of human middle ear muscle contractions on speech intelligibility. 人中耳肌肉收缩对言语清晰度的影响。
Journal of the American Audiology Society Pub Date : 1977-09-01
L C Cox, H J Greenberg
{"title":"Effects of human middle ear muscle contractions on speech intelligibility.","authors":"L C Cox,&nbsp;H J Greenberg","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The present study assessed the relationship between the acoustic reflex and speech intelligibility. Monosyllabic words mixed with noise were presented at -6, -3.0 and +3 dB signal-to-noise ratios. The word lists were presented with a 2000-Hz tone in the contralateral ear at a level 15 dB above or 20 dB below the acoustic reflex threshold to evaluate intelligibility differences with the acoustic reflex contracted and relaxed. The results indicated that a significant decrement in speech intelligibility differences with the acoustic reflex contracted and relaxed. The results indicated that a significant decrement in speech intelligibility occurred with the reflex contracted at signal-to-noise ratios of -3, and 0 dB. Slight but not significant decrements were seen at -6 and +3 dB signal-to-noise ratios. These results are discussed along with possible reasons for the lack of agreement with previous research.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"80-3"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12099503","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Decibel notation with correlated and uncorrelated signals. 带有相关和不相关信号的分贝符号。
Journal of the American Audiology Society Pub Date : 1977-09-01
J L Punch, W F Lawrence
{"title":"Decibel notation with correlated and uncorrelated signals.","authors":"J L Punch,&nbsp;W F Lawrence","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Audiologists perform sound level measurements in a variety of settings. These measurements typically involve clinical audiometric calibration, specification of sound field levels in industrial environments, psychoacoustic experimentation, or specification of sound levels in hearing and test boxes or anechoic chambers. Any of these circumstances can present problem situations in which some form of signal combination is involved. Solutions of such problems require use of the concepts of average power and signal correlation, as they are related to decibel notation. These concepts are discussed in the present paper, and several examples that apply these concepts to specific measurement situations are presented.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"71-9"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12099506","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Sound levels in a 2-cc cavity, a Zwislocki coupler, and occluded ear canals. 2cc腔内声级，Zwislocki耦合器，耳道闭塞。
Journal of the American Audiology Society Pub Date : 1977-09-01
V D Larson, G A Studebaker, R M Cox
{"title":"Sound levels in a 2-cc cavity, a Zwislocki coupler, and occluded ear canals.","authors":"V D Larson,&nbsp;G A Studebaker,&nbsp;R M Cox","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>Probe-tube measurements of the differences in sound levels at three locations in ear canals were compared to the differences in levels measured at analogous positions in a Zwislocki coupler and a 2-cc cavity. The results support the recommendation of Sachs and Burkhard that probe tube measurements should not be made with the probe tube flush with the earmold tip and close to the sound inlet bore. In real ear canals the transfer functions to the eardrum presented by Bruel, Frederikson, and Rasmussen and by Studebaker agree well with each other but differ somewhat from the one used by Sachs and Burkhard. In agreement with Bruel et al., the data of this study reveal a plateau in the relationship between real ear and 2-cc cavity responses between about 1.6 and 4.0 kHz, the relative intensity level of which may depend upon residual ear canal volume.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"63-70"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12099499","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Brainstem evoked response (BER) audiometry at various stimulus presentation rates. 不同刺激呈现率下的脑干诱发反应测听。
Journal of the American Audiology Society Pub Date : 1977-09-01
B A Weber, S M Fujikawa
{"title":"Brainstem evoked response (BER) audiometry at various stimulus presentation rates.","authors":"B A Weber,&nbsp;S M Fujikawa","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The utilization of the latency of the brainstem auditory evoked response to estimate the status of high frequency hearing is rapidly becoming a part of the audiologist's clinical armamentarium. Because it is important to utilize the most efficient rate of stimulus presentation, the present investigation was undertaken to provide some initial latency information for three commonly used stimulus rates. Brainstem auditory evoked responses were recorded from 22 adults for three click rates (13.3/sec, 33.3/sec, and 67/sec) at seven intensity levels (10 to 60 dB sensation level). It was shown that rate of click presentation markedly affects the intensity-latency functions for wave V. In clinical use, norms must be established for each stimulus rate used to maximize the accuracy of the test results.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 2","pages":"59-62"},"PeriodicalIF":0.0,"publicationDate":"1977-09-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12099498","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Performance of normal-hearing listeners on the time-compressed modified rhyme test. 正常听力听者在时间压缩修改押韵测试中的表现。
Journal of the American Audiology Society Pub Date : 1977-07-01
D M Schwartz, B Mikus
{"title":"Performance of normal-hearing listeners on the time-compressed modified rhyme test.","authors":"D M Schwartz,&nbsp;B Mikus","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>This study sought to evaluate word discrimination performance of normal-hearing listeners on a time-compressed version of the modified rhyme test. Six lists (A-F) of the modified rhyme test were presented to 60 young normal-hearing adults at 0, 30, 40, 50, 60, and 70% time-compression ratios. Results were consistent with earlier findings for the Northwestern University Auditory Test no. 6 and demonstrated that word discrimination decreased as a function of increasing percentage of time compression. Differences among the six lists were found to exist at high levels of time alteration.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 1","pages":"14-9"},"PeriodicalIF":0.0,"publicationDate":"1977-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12077694","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Time-compressed speech discrimination in children and its relationship to articulation. 儿童时间压缩性言语歧视及其与发音的关系。
Journal of the American Audiology Society Pub Date : 1977-07-01
D J Orchik, M L Oelschlaeger
{"title":"Time-compressed speech discrimination in children and its relationship to articulation.","authors":"D J Orchik,&nbsp;M L Oelschlaeger","doi":"","DOIUrl":"","url":null,"abstract":"<p><p>The Word Intelligibility by Picture Identification (WIPI) Test of Speech Discrimination was time compressed at 0, 30, and 60% and administered to 48 normal-hearing children. The children, all between the ages of 5 years, 6 months and six years, 7 months of age, were equally divided into three groups on the basis of articulation ability. Significant effects were found for test groups and levels of time compression, with differences increasing as time compression increased. The implication is that children with multiple articulation errors demonstrate a developmental lag in the ability to process time-compressed speech. Time-compressed speech may be a useful tool in the study of auditory perception in children.</p>","PeriodicalId":76026,"journal":{"name":"Journal of the American Audiology Society","volume":"3 1","pages":"37-41"},"PeriodicalIF":0.0,"publicationDate":"1977-07-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"12077701","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
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