一种基于声卡的CAPs检测系统的研制

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清华大学辅仁网/2017-07-07

一种基于声卡的CAPs检测系统的研制

宫琴^1,²(

),黎婷婷¹,刘帅²

2. 清华大学深圳研究生院, 生物医学研究中心, 深圳 518055

Sound card-based CAPs detection system

Qin GONG^1,²(

),Tingting LI¹,Shuai LIU²

1. Department of Biomedical Engineering, Tsinghua University, Beijing 100084, China
2. Research Center of Biomedical Engineering, Graduate School at Shenzhen, Tsinghua University, Shenzhen 518055, China

摘要:

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摘要听神经复合动作电位(CAPs)的阈值曲线和调谐曲线分别反映了听神经系统对刺激声的强度灵敏度和频率灵敏度。为了全面、客观、方便地提取听神经系统的信息,该文基于多媒体外置声卡、使用C#语言编写对声卡的控制程序设计了CAPs检测系统,实现了对声音刺激下CAPs 电信号的采集,并获取了用于表征听神经系统功能状况的CAP阈值曲线和调谐曲线。该系统为听神经复合动作电位的检测和后续研究提供了综合、客观的分析研究平台,具有较高的使用价值。

关键词 ：听神经复合动作电位,阈值曲线,调谐曲线

Abstract：Auditory nerve compound action potential (CAPs) threshold curves reflects the sensitivity of sound intensity while tuning curves reflects the frequency in the auditory nerve system. A CAPs detection system was developed based on an external multimedia sound card and the C# language to simplify data extraction for the auditory nerve system and to obtain more comprehensive and objective information. CAPs, threshold curves and tuning curves were acquired using sound stimulation to study the condition of the auditory nerve system. The system provides a comprehensive and objective analysis platform for detection and research of auditory nerve compound action potentials.

Key words：compound action potentials threshold curves tuning curves

收稿日期: 2013-05-01 出版日期: 2015-09-03

ZTFLH:

基金资助:国家自然科学基金资助项目 (61271133);教育部博导基金资助项目 (20120002110054)

引用本文:

宫琴, 黎婷婷, 刘帅. 一种基于声卡的CAPs检测系统的研制[J]. 清华大学学报（自然科学版）, 2014, 54(5): 678-684.
Qin GONG, Tingting LI, Shuai LIU. Sound card-based CAPs detection system. Journal of Tsinghua University(Science and Technology), 2014, 54(5): 678-684.

链接本文:

http://jst.tsinghuajournals.com/CN/或 http://jst.tsinghuajournals.com/CN/Y2014/V54/I5/678

图表:

检测系统的组成框图

系统软件框架流程图

测试控制流程图

实验信息录入页面

探头/电极位置校准页面

CAP / CM 、刺激声波形

CAP阈值曲线测试页面

CAP调谐曲线测试页面

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