Amplifying Sound Intensity of Key Words in Discourse Promotes Memory in Female College Students.

IF 2.2 2区医学 Q1 AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY Journal of Speech Language and Hearing Research Pub Date : 2025-01-02 Epub Date: 2024-12-05 DOI:10.1044/2024_JSLHR-24-00386

Zhenxu Liu, Yajie He, Wenhao Li, Sixing Cui, Ziying Fu, Xin Wang

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Abstract

Purpose: The aim of this study was to determine whether amplification of key words in discourse helped to memorize the words.

Method: We tested the effect of 135 participants' memory for key words in the discourse after intensity amplification (0, 5, 7, 9, and 11 dB), and we also tested physiological indicators to measure attention levels in another 30 participants. Adobe Audition was used to modulate the intensity of key words, whereas E-prime technology was used to present speech stimuli and test the accuracy of the memory of the participants.

Results: The results showed that amplifying key word intensity by 9 dB led to a significant enhancement in memory, whereas there was no difference in self-reported naturalness between amplification of key word intensity in the 9 dB and nonamplified groups. Heart rate and skin conductance level of the subjects decreased with amplification of key word intensity in the 9-dB group, which indicated that this promoted the memory effect by enhancing attention.

Conclusions: Our results demonstrate that amplifying the intensity of the key words by 9 dB is an effective strategy for promoting memory. This research provides a theoretical basis for optimizing the acoustic parameters of audio learning materials to achieve better teaching effects.

Supplemental material: https://doi.org/10.23641/asha.27902643.

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放大话语中关键词的音强促进女大学生的记忆。

目的：本研究的目的是确定话语中关键词的放大是否有助于单词的记忆。方法：测试了135名被试在强度放大（0、5、7、9、11 dB）后对话语中关键词的记忆效果，并对另外30名被试的生理指标进行了测量。使用Adobe Audition来调节关键词的强度，而E-prime技术则用于呈现语音刺激并测试参与者的记忆准确性。结果：结果显示，关键词强度放大9 dB组被试的记忆能力显著增强，而关键词强度放大9 dB组与未放大组的自述自然度无显著差异。在9 db组，被试的心率和皮肤电导水平随关键词强度的增大而降低，说明这是通过增强注意力来促进记忆效应的。结论：将关键词的强度放大9 dB是促进记忆的有效策略。本研究为优化音频学习材料的声学参数以达到更好的教学效果提供了理论依据。补充资料：https://doi.org/10.23641/asha.27902643。

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来源期刊

Journal of Speech Language and Hearing Research AUDIOLOGY & SPEECH-LANGUAGE PATHOLOGY-REHABILITATION

CiteScore

4.10

自引率

19.20%

发文量

538

审稿时长

4-8 weeks

期刊介绍： Mission: JSLHR publishes peer-reviewed research and other scholarly articles on the normal and disordered processes in speech, language, hearing, and related areas such as cognition, oral-motor function, and swallowing. The journal is an international outlet for both basic research on communication processes and clinical research pertaining to screening, diagnosis, and management of communication disorders as well as the etiologies and characteristics of these disorders. JSLHR seeks to advance evidence-based practice by disseminating the results of new studies as well as providing a forum for critical reviews and meta-analyses of previously published work. Scope: The broad field of communication sciences and disorders, including speech production and perception; anatomy and physiology of speech and voice; genetics, biomechanics, and other basic sciences pertaining to human communication; mastication and swallowing; speech disorders; voice disorders; development of speech, language, or hearing in children; normal language processes; language disorders; disorders of hearing and balance; psychoacoustics; and anatomy and physiology of hearing.