警惕水平与跳眼运动特征的关系

Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society Pub Date : 1995-09-20 DOI:10.1109/IEMBS.1995.579769

A. Ueno, Y. Ota, M. Takase, H. Minamitani

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引用次数: 5

摘要

本研究的目的是探讨使用跳眼运动参数评估警觉性水平的可能性。利用快速傅里叶变换对脑电信号进行测量和分析，得到/spl α /和/spl β /波段的频谱功率，提取出[/spl β /]/[/spl α /+/spl β /]，假设这两个波段反映了警觉性水平。测量眼球运动，计算眼动峰值速度(SPV)和相对SPV (RSPV)，并将其归一化为相应眼动幅度下的平均SPV。研究了[/spl β /]/[/spl α /+/spl β /]与RSPV的关系，发现RSPV随警戒水平的降低而降低。这表明使用RSPV评估警戒水平的可能性。

本文章由计算机程序翻译，如有差异，请以英文原文为准。

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Relationship between vigilance levels and characteristics of saccadic eye movement

The purpose of this study was to investigate the possibility for evaluating vigilance levels using a parameter of saccadic eye movement. EEG was measured and analyzed by means of fast Fourier transform, and the spectral power of /spl alpha/ and /spl beta/ wave bands were obtained so as to extract [/spl beta/]/[/spl alpha/+/spl beta/] which was assumed to reflect vigilance levels. Eye movement was measured so as to calculate saccadic peak velocity (SPV) and relative SPV (RSPV) which was normalized by the mean SPV at the corresponding amplitude of saccade. The relationship between [/spl beta/]/[/spl alpha/+/spl beta/] and RSPV was investigated and it revealed that RSPV decreased according to the decline in the vigilance level. This indicates the possibility for evaluating vigilance levels using RSPV.

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Proceedings of 17th International Conference of the Engineering in Medicine and Biology Society

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