The Listening in Spatialized Noise-Sentences Test (LISN-S): Comparison to the Prototype LISN and Results from Children with Either a Suspected (Central) Auditory Processing Disorder or a Confirmed Language Disorder
The Listening in Spatialized Noise-Sentences Test (LISN-S): Comparison to the Prototype LISN and Results from Children with Either a Suspected (Central) Auditory Processing Disorder or a Confirmed Language Disorder
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DOI：
10.3766/jaaa.19.5.2
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发表时间：
2008-05-01
影响因子：
1.2
通讯作者：
Dillon, Harvey
中科院分区：
文献类型：
--
作者：
Cameron, Sharon;Dillon, Harvey
背景资料：空间化噪声句子听力测试（LISN-S（R））是空间化噪声听力（连续话语）测试（LISN（R）;卡梅隆等人，2006 a）的修订版。该软件在耳机下产生三维听觉环境，并开发用于评估儿童的听觉流分离技能。一个简单的重复响应协议被用来确定语音接收阈值（SRT）的句子从0度的方位角在竞争的语音。相对于其在听觉空间中的位置（0度相对于+和-90度方位角）和说话者的声音质量（与目标刺激的说话者相同或不同）来操纵竞争语音。业绩是衡量两个SPIT和三个优势的措施。优势度量表示当讲话者、空间或讲话者和空间线索组合在掩蔽物中时获得的以dB为单位的益处。目的：为了记录一组9名疑似（中枢）听觉处理障碍（[C]APD）儿童的LISN-S表现，这些儿童在没有任何常规听力学或语言的情况下在课堂上表现出听力困难，学习或注意力缺陷来解释这种困难（SusCAPD组）。该研究还旨在研究高阶缺陷对一组11名患有一系列学习或注意力障碍的儿童（LD组）的LISN-S表现的影响。LISN-S和传统的（C）APD测试battery.Research设计：在一个描述性的设计，SusCAPID和LID组的LISN-S的性能进行了比较，从70个年龄匹配的对照发表的规范性数据之间的相关性。采用相关设计比较传统（C）APD组合与LISN-S的SRT和优势测量的各种测试性能。结果：在LISN-S的条件下，靶和掩蔽物均从0 °方位发出，SusCAPD、LID或对照组之间无显著差异（低线索SRT，p = 0.978;说话者优势，p = 0.307）。然而，在掩蔽者与目标分开+和-90度的情况下，两组之间的性能指标存在显著差异。事后检验显示，LID组和对照组在这些指标上均无显著差异。然而，SusCAPD组和对照组在掩蔽者与靶点空间分离的所有条件下都存在显著差异（高线索SRT，p = 0.001;空间优势，p < 0.0001;总优势，p < 0.0001）。LISN-S并没有显着相关的任何测试在传统的测试电池，也没有非空间和空间的性能措施的LISN-S correlated.Conclusions：这项研究支持的假设，高比例的儿童与怀疑（C）APD有赤字的机制，通常使用的空间分布的来源，以抑制不必要的信号。LISN-S是一个潜在的有价值的评估工具，用于评估听觉流分离缺陷，并在区分各种形式的听觉流是敏感的。
Background: The Listening in Spatialized Noise-Sentences test (LISN-S (R)) is a revised version of the Listening in Spatialized Noise (Continuous Discourse) test (LISN (R); Cameron et al, 2006a). The software produces a three-dimensional auditory environment under headphones and was developed to assess auditory stream segregation skills in children. A simple repetition response protocol is utilized to determine speech reception thresholds (SRTs) for sentences presented from 0 degrees azimuth in competing speech. The competing speech is manipulated with respect to its location in auditory space (0 degrees vs. + and -90 degrees azimuth) and the vocal quality of the speaker(s) (same as, or different to, the speaker of the target stimulus). Performance is measured as two SPIT and three advantage measures. The advantage measures represent the benefit in dB gained when either talker, spatial, or both talker and spatial cues combined are incorporated in the maskers.Purpose: To document LISN-S performance in a group of nine children with suspected (central) auditory processing disorder ([C]APD), who presented with difficulties hearing in the classroom in the absence of any routine audiological or language, learning or attention deficits to explain such a difficulty (SusCAPD group). The study also aimed to research the effect of higher-order deficits on LISN-S performance in a group of 11 children with a range of documented learning or attention disorders (LD Group). Correlation between performance on the LISN-S and a traditional (C)APD test battery was also compared.Research Design: In a descriptive design, SusCAPID and LID group performance on the LISN-S was compared to published normative data from 70 age-matched controls. A correlational design was used to compare performance on the various tests in the traditional (C)APD battery to the SRT and advantage measures of the LISN-S.Results: There were no significant differences between the SusCAPD, LID, or control groups on the conditions of the LISN-S where both the target and maskers emanated from 0 degrees azimuth (low-cue SRT, p = 0.978; talker advantage, p = 0.307). However, there were significant differences between groups on the performance measures where the maskers were separated from the target by + and -90 degrees. Post hoc tests revealed that there were no significant differences between the LID group and controls on any of these measures. There were, however, significant differences between the SusCAPD group and the controls on all the conditions where the maskers were spatially separated from the target (high-cue SRT, p = 0.001; spatial advantage, p < 0.0001; total advantage, p < 0.0001). The LISN-S did not correlate significantly with any test in the traditional test battery, nor were the nonspatial and spatial performance measures of the LISN-S correlated.Conclusions: The study supports the hypothesis that a high proportion of children with suspected (C)APD have a deficit in the mechanisms that normally use the spatial distribution of sources to suppress unwanted signals. The LISN-S is a potentially valuable assessment tool for assessing auditory stream segregation deficits, and is sensitive in differentiating various forms of auditory streaming.