广东三语儿童的英语prosodic焦点标记,有或没有自闭症谱系障碍的儿童
Bruce Xiao Wang1,2, Si Chen2,3,4, Fang Zhou2,5
1Department of English and Communication, The Hong Kong Polytechnic University, Hong Kong SAR, China.
Journal of speech, language, and hearing research : JSLHR
|February 14, 2024
概括
与典型发育的儿童相比,说广东语的自闭症儿童表现出较不发达的正视焦点标记. 第一次语言转移有助于获取持续时间和强度线索,以在英语中进行焦点标记.
科学领域:
- 语言学的语言学.
- 发展心理学 发展心理学
- 语音科学 语言科学
背景情况:
- 在口语中传达意义的过程中,prosodic焦点标记至关重要.
- 了解自闭症儿童和双语儿童如何获得这些技能对于发育研究很重要.
研究的目的:
- 为了研究在自闭症和典型发育的广东三语儿童中使用英语prosodic焦点标记.
- 将他们的能力与母语英语儿童进行比较.
- 检查潜在的第一语言转移效应.
主要方法:
- 招募了48名参与者:16名广东语自闭症 (CASD),16名广东语TD (CTD) 和16名英语TD (ETD) 儿童.
- 使用提示性问题来引起广泛,狭窄和对比的关注.
- 分析的声学相关:平均持续时间,平均基本频率 (F0),F0范围,平均强度和F0曲线.
主要成果:
- CTD儿童表现出持续时间,F0范围,F0,F0曲线和强度减少的焦点后压缩 (PFC).
- 在CASD儿童中,PFC的F0曲线只显示时间缩短和F0曲线降低.
- ETD儿童表现出焦点扩张 (OFE),持续时间,F0,强度增加,F0曲线更高.
结论:
- 与CASD儿童相比,CTD儿童对PFC使用了更多的声学线索.
- 在OFE使用方面,ETD儿童与广东语两组不同.
- CASD和CTD组在持续时间和强度方面显示出积极的第一语言转移,这表明广东语儿童更早获得PFC而不是OFE.
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