信息处理速度和口头工作记忆在儿童和青少年与耳植入物的速度
Reid M Herran1, Caitlin J Montgomery1, Shirley C Henning1
1Department of Otolaryngology-Head and Neck Surgery, Indiana University School of Medicine, Indianapolis.
概括
与正常听力同龄人相比,带有耳植入物的儿童表现出较慢的语言工作记忆扫描速度. 增强的语音词汇表示可能会改善耳植入物使用者的记忆扫描和工作记忆.
科学领域:
- 神经科学是一个神经科学.
- 发展心理学 发展心理学
- 听力学 听力学是指听力学.
背景情况:
- 与正常听力儿童相比,带有耳植入器的聋子儿童经常表现出语言工作记忆的延迟.
- 导致这些延迟的因素尚未完全理解.
- 这项研究检查了口头工作记忆任务中的记忆扫描速度.
研究的目的:
- 研究耳植入物使用者和正常听力同龄人之间的记忆扫描速度差异.
- 探索每个组内内存扫描速度,语音识别和语言能力之间的关联.
主要方法:
- 25名带有耳植入器 (8-17岁) 的预语言聋儿童和25名正常听力同龄人完成了儿童维克斯勒智力表第五版字母数序测序 (LNS) 任务.
- 测量了回应延迟和回忆期间暂停的持续时间.
- 语音识别,词汇和语言理解也被评估.
主要成果:
- 耳植入物使用者在三跨度的LNS序列上显示了比正常听觉的同龄人更长的暂停时间.
- 在两个跨度序列的响应延迟或暂停持续时间方面没有发现显著差异.
- 在耳植入物使用者中,较差的语音识别与更长的暂停时间相关,而较差的词汇和语言理解与更长的响应延迟相关.
结论:
- 带有耳植入物的儿童表现出较慢的语言工作记忆扫描速度.
- 更强大的语音-词汇语言表示可能会提高这个人群的记忆扫描速度和整体工作记忆能力.
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