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Sound card-based CAPs detection system |
Qin GONG1,2( ),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 |
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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.
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| Keywords
compound action potentials
threshold curves
tuning curves
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Issue Date: 15 May 2014
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2014,
Vol. 54
