新刺激下被动古怪范式短期听觉训练的效果。

Korean journal of audiology Pub Date : 2013-12-01 Epub Date: 2013-12-13 DOI:10.7874/kja.2013.17.3.105
Woojae Han, Jeonghye Park, Junghwa Bahng
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引用次数: 1

摘要

背景和目的:本研究的目的是确定在听新刺激时,通过短期听觉训练如何改变人类的神经活动。对象与方法:在20名听力正常的成年青少年听众中,随机将10人分为训练组,10人分为非训练组作为对照。使用了两种合成的新刺激:/su/和/∫u/。这两种刺激听起来类似于/su/,但有两个不同的起始过渡频率和摩擦极频率。在实验中,对训练组进行训练前后的行为识别测试(即/su/ vs /∫u/)和失配负性(MMN)的测量。为了衡量训练效果,训练组的听众接受了大约20分钟的区分和识别两种新刺激的教学。结果:结果表明,短期听觉训练后,行为测试成绩显著提高。此外,当训练刺激引起时,MMN的发作潜伏期、持续时间和面积也发生了显著变化。结论:短期听觉训练可以改变人的神经活动,提示听觉训练的临床应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。

The effects of auditory short-term training in passive oddball paradigm with novel stimuli.

The effects of auditory short-term training in passive oddball paradigm with novel stimuli.

The effects of auditory short-term training in passive oddball paradigm with novel stimuli.

The effects of auditory short-term training in passive oddball paradigm with novel stimuli.

Background and objectives: The purpose of this study was to determine how human neural activity might be changed through auditory short-term training when listening to novel stimuli.

Subjects and methods: Among the twenty young normal hearing adult listeners who participated, ten were randomly assigned to a training group and ten were assigned to a non-training group as a control. Two synthesized novel stimuli were used: /su/ and /∫u/. Both stimuli similarly sounded like /su/, but had two different onset transition frequencies and fricative pole frequencies. In the experiment, behavioral identification test (i.e., /su/ vs. /∫u/) and the mismatch negativity (MMN) were measured before and after training for the training group. To gauge the training effect, the listeners in the training group were taught by discrimination and identification of two novel stimuli for about 20 minutes.

Results: The results showed that scores for the behavioral test increased significantly after auditory short-term training. Also, onset latency, duration, and area of the MMN were significantly changed when elicited by the training stimuli.

Conclusions: These findings indicated that auditory short-term training could change human neural activity, suggesting future clinical applications for auditory training.

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