Revealing deterministic structures in click-evoked otoacoustic emissions

被引：10

作者：

Zimatore, G

Giuliani, A

Parlapiano, C

Grisanti, G

Colosimo, A

机构：

[1] Univ Roma La Sapienza, Dept Biochem Sci, I-00185 Rome, Italy

[2] Univ Roma La Sapienza, CISB, I-00185 Rome, Italy

[3] Ist Super Sanita, I-00161 Rome, Italy

[4] Univ Palermo, Dept Audiol, I-90127 Palermo, Italy

来源：

JOURNAL OF APPLIED PHYSIOLOGY | 2000年 / 88卷 / 04期

关键词：

recurrence quantification analysis; nonlinear dynamics; auditory system; complexity;

D O I：

10.1152/jappl.2000.88.4.1431

中图分类号：

Q4 [生理学];

学科分类号：

071003 ;

摘要：

Click-evoked otoacoustic emissions (CEOAEs) were studied by means of recurrence quantification analysis (RQA) and were found to be endowed with a relevant amount of deterministic structuring. Such a structure showed highly significant correlation with the clinical evaluation of the signal over a data set including 56 signals. Moreover, 1) one of the RQA variables, Trend, was very sensitive to phase transitions in the dynamical regime of CEOAEs, and 2) appropriate use of principal component analysis proved able to isolate the individual character of the studied signals. These results are of general interest for the study of auditory signal transduction and generation mechanisms.

引用

页码：1431 / 1437

页数：7

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