11岁和12岁儿童的噪音差距测试。

Ana Paula Perez, Liliane Desgualdo Pereira
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引用次数: 29

摘要

背景:11 - 12岁儿童的间隙检测。目的:探讨11岁和12岁儿童噪声间隙测试的时间分辨能力,以建立正常发育标准。方法:参与者为92名儿童,年龄在11岁到12岁之间,在小学入学,无耳科、和/或神经学、和/或认知障碍的证据,也没有学习困难或学业失败的历史。此外,参与者的听力阈值在正常范围内,他们在数字二分测试中的言语识别等于或优于95%的命中率。所有人都参加了噪音差距测试。采用非参数检验进行统计学分析,显著性水平为0.05(5%)。结果:平均间隔阈值为5.05 ms,平均正确率为71.70%。年龄(11岁和12岁)、耳朵(左右)、性别(男性和女性)之间的反应没有显著的统计学差异。然而,当比较两个测试时,我们发现第一个测试比第二个测试显示了更高的差距识别百分比,具有统计学意义。结论:78.27%的研究人群的差异阈值高达5 ms,推荐作为所搜索年龄组的正常参考。
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The Gap in Noise test in 11 and 12-year-old children.

Background: gap detection in 11 and 12-year-old children.

Aim: to investigate temporal resolution through the Gap in Noise test in children of 11 and 12 years in order to establish criteria of normal development.

Method: participants were 92 children, with ages of 11 and 12 years, enrolled in elementary school, with no evidences of otologic, and/or neurologic, and/or cognitive disorders, as well as with no history of learning difficulties or school failure. Besides that, participants' hearing thresholds were within normal limits and their verbal recognition in the dichotic test of digits was equal or superior to 95% of hits. All were submitted to the Gap in Noise test. The statistical analysis was performed by non-parametric tests with significance level of 0.05 (5%).

Results: the average of the gap thresholds was 5.05 ms, and the average percentage of correct answers was 71.70%. There was no significant statistical difference between the responses by age (eleven and twelve years), by ear (right and left), by gender (male and female). However, when comparing the tests, it was observed that the 1st test showed a higher percentage of identifications of gap, statistically significant than the 2nd test.

Conclusion: in 78.27% of the population of this study, the gap thresholds were up to 5 ms, response recommended as normality reference for the age group searched.

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