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Perceptual and cognitive processes in augmented reality - comparison between binocular and monocular presentations
Akihiko Dempo1, Tsukasa Kimura2, Kazumitsu Shinohara3
1Department of Systems Design Engineering, Faculty of Science and Technology, Seikei University, Tokyo, Japan. akihiko-dempo@st.seikei.ac.jp.
Attention, Perception & Psychophysics
|August 24, 2021
Summary
Binocular augmented reality (AR) offers faster responses than monocular AR, particularly when flanker stimuli are incongruent. Event-related brain potentials indicate reduced flanker influence in monocular AR during cognitive processing.
Area of Science:
- Human-Computer Interaction
- Cognitive Neuroscience
- Visual Perception
Background:
- Augmented reality (AR) systems can present visual information monocularly or binocularly.
- Understanding the perceptual and cognitive differences between these AR delivery methods is crucial for optimizing user experience and task performance.
Purpose of the Study:
- To compare the effects of monocular versus binocular augmented reality on human perception and cognition.
- To investigate how visual attention and stimulus processing differ between monocular and binocular AR presentations.
Main Methods:
- A combined flanker and oddball task was employed using augmented reality (AR) stimuli.
- Participants responded to central arrowhead targets while flanker arrowheads were presented monocularly (dominant eye) or binocularly.
- Event-related brain potentials (ERPs) were recorded to analyze neural processing stages.
Main Results:
- Response times were faster in the binocular AR condition compared to the monocular AR condition.
- A unique finding emerged where monocular AR showed faster responses specifically when flanker stimuli were incongruent (opposite direction).
- ERPs indicated that while stimuli were processed perceptually in both conditions, the cognitive influence of flankers was attenuated in monocular AR.
Conclusions:
- Binocular AR generally facilitates faster responses, likely due to more robust stimulus processing.
- Monocular AR may attenuate the cognitive load associated with distracting flanker stimuli, especially in incongruent conditions.
- The findings suggest that the stability and precision of flanker stimulus influence differ between monocular and binocular AR, warranting further investigation.
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