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Visual Evoked Potential Using Head-Mounted Display Versus Cathode Ray Tube: A Pilot Study

Authors
 Hyo Seon Choi  ;  Sang Hee Im  ;  Yong Kyun Kim  ;  Sang Chul Lee 
Citation
 Annals of Rehabilitation Medicine, Vol.40(2) : 334-340, 2016 
Journal Title
 Annals of Rehabilitation Medicine 
ISSN
 2234-0645 
Issue Date
2016
Keywords
Cathode ray tube ; Head-mounted display ; Visual evoked potentials
Abstract
OBJECTIVE: To present a new stimulation method based on the use of a head-mounted display (HMD) during pattern reversal visual evoked potential (PR-VEP) testing and to compare variables of HMD to those of conventional cathode ray tube (CRT). METHODS: Twenty-three normal subjects without visual problems were recruited. PR-VEPs were generated using CRT or HMD stimuli. VEP outcome measures included latencies (N75, P100, and N145) and peak-to-peak amplitudes (N75-P100 and P100-N145). Subjective discomfort associated with HMD was determined using a self-administered questionnaire. RESULTS: PR-VEPs generated by HMD stimuli showed typical triphasic waveforms, the components of which were found to be correlated with those obtained using conventional CRT stimuli. Self-administered discomfort questionnaires revealed that HMD was more comfortable in some aspects. It allowed subjects to concentrate better than CRT. CONCLUSION: The described HMD stimulation can be used as an alternative to the standard CRT stimulation for PR-VEPs. PR-VEP testing using HMD has potential applications in clinical practice and visual system research because HMD can be used on a wider range of subjects compared to CRT.
Files in This Item:
T201603724.pdf Download
DOI
10.5535/arm.2016.40.2.334
Appears in Collections:
1. College of Medicine (의과대학) > Dept. of Rehabilitation Medicine (재활의학교실) > 1. Journal Papers
Yonsei Authors
Lee, Sang Chul(이상철) ORCID logo https://orcid.org/0000-0002-6241-7392
Choi, Hyo Seon(최효선)
URI
https://ir.ymlib.yonsei.ac.kr/handle/22282913/152141
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