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首页> 外文期刊>Journal of communication disorders >Working memory compensates for hearing related phonological processing deficit
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Working memory compensates for hearing related phonological processing deficit

机译：工作记忆可弥补与听力有关的语音处理缺陷

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Acquired hearing impairment is associated with gradually declining phonological representations. According to the Ease of Language Understanding (ELU) model, poorly defined representations lead to mismatch in phonologically challenging tasks. To resolve the mismatch, reliance on working memory capacity (WMC) increases. This study investigated whether WMC modulated performance in a phonological task in individuals with hearing impairment. A visual rhyme judgment task with congruous or incongruous orthography, followed by an incidental episodic recognition memory task, was used. In participants with hearing impairment, WMC modulated both rhyme judgment performance and recognition memory in the orthographically similar non-rhyming condition; those with high WMC performed exceptionally well in the judgment task, but later recognized few of the words. For participants with hearing impairment and low WMC the pattern was reversed; they performed poorly in the judgment task but later recognized a surprisingly large proportion of the words. Results indicate that good WMC can compensate for the negative impact of auditory deprivation on phonological processing abilities by allowing for efficient use of phonological processing skills. They also suggest that individuals with hearing impairment and low WMC may use a non-phonological approach to written words, which can have the beneficial side effect of improving memory encoding.Learning outcomes: Readers will be able to: (1) describe cognitive processes involved in rhyme judgment, (2) explain how acquired hearing impairment affects phonological processing and (3) discuss how reading strategies at encoding impact memory performance.
机译：获得性听力障碍与语音代表逐渐下降有关。根据易语言理解（ELU）模型，定义不清的表述会导致语音上具有挑战性的任务不匹配。为了解决不匹配问题，对工作内存容量（WMC）的依赖性增加了。这项研究调查了WMC是否调节了听力障碍个体在语音工作中的表现。使用具有拼合或拼合正字法的视觉韵律判断任务，然后是附带的情景识别记忆任务。在听觉受损的参与者中，WMC在正字法相似的非押韵条件下调节韵律判断性能和识别记忆。具有较高WMC的人在判断任务中表现异常出色，但后来却很少意识到。对于有听力障碍和低WMC的参与者，这种模式是相反的;他们在判断任务中表现不佳，但后来却认出了惊人比例的单词。结果表明，良好的WMC可以有效利用语音处理技能，从而弥补听觉剥夺对语音处理能力的负面影响。他们还建议患有听力障碍和WMC较低的人可能对单词使用非语音方法，这可能会改善记忆编码的有益副作用。学习成果：读者将能够：（1）描述涉及的认知过程在韵律判断中，（2）解释获得性听力障碍如何影响语音处理，（3）讨论编码时的阅读策略如何影响记忆性能。

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