SSVEP and ERP measurement of cognitive fatigue caused by stereoscopic 3D
- SSVEP and ERP measurement of cognitive fatigue caused by stereoscopic 3D
- 문성철; 박민철; 박상진; 황민철
- fatigue; measurement; SSVEP; ERP; Visual fatigue; Cognitive fatigue; Attention; Stereoscopic 3D
- Issue Date
- Neuroscience letters
- VOL 525, NO 2, 89-94
- The purpose of this study was to identify steady-state visually evoked potential (SSVEP) and event-related
potential (ERP) correlates of 3D cognitive fatigue. Twenty-one participants (11 females) were subjected to
a cognitive test before and after being exposed to a stereoscopic 3D environment. They were categorized
into two groups, fatigued and unfatigued, based on their response times and subjective data. The fatigued
group exhibited significantly reduced P600 amplitudes and delayed P600 latencies in the post-viewing
condition compared to those in the pre-viewing condition. Significant fatigue effects for the fatigued
group were also observed at P4 and O2 sites during the 8.57 Hz attended task; attend/ignore ratios in this
cortical hemisphere after 3D viewing were smaller than those before 3D viewing.
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