Attention Guidance Technique Using Visual Subliminal Cues And Its Application On Videos

Hwang, Eugene; Lee, Jeongmi

doi:10.1145/3452918.3458800

ACM International Conference on Interactive Media Experiences 2021

DOI: 10.1145/3452918.3458800

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Attention Guidance Technique Using Visual Subliminal Cues And Its Application On Videos

Eugene Hwang

Jeongmi Lee

Abstract: Fixation Cross (1000 ms)... Video (30 s) & 10 cue displayFigure 1: Attention guidance technique using visual subliminal cues in Experiment 2. The participants watched 30 videos without any special instructions, while cues were displayed 10 times in each video. The location of the cues was biased towards the left or the right hemifeld of the video, with 80% to 20% cue frequency distribution. The subliminal cues were altered in opacity and size for visibility purposes.

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An Exploratory Analysis of the Neural Correlates of Human-Robot Interactions With Functional Near Infrared Spectroscopy

Yorgancıgil

Yildirim

Ürgen

et al. 2022

Front. Hum. Neurosci.

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Functional near infrared spectroscopy (fNIRS) has been gaining increasing interest as a practical mobile functional brain imaging technology for understanding the neural correlates of social cognition and emotional processing in the human prefrontal cortex (PFC). Considering the cognitive complexity of human-robot interactions, the aim of this study was to explore the neural correlates of emotional processing of congruent and incongruent pairs of human and robot audio-visual stimuli in the human PFC with fNIRS methodology. Hemodynamic responses from the PFC region of 29 subjects were recorded with fNIRS during an experimental paradigm which consisted of auditory and visual presentation of human and robot stimuli. Distinct neural responses to human and robot stimuli were detected at the dorsolateral prefrontal cortex (DLPFC) and orbitofrontal cortex (OFC) regions. Presentation of robot voice elicited significantly less hemodynamic response than presentation of human voice in a left OFC channel. Meanwhile, processing of human faces elicited significantly higher hemodynamic activity when compared to processing of robot faces in two left DLPFC channels and a left OFC channel. Significant correlation between the hemodynamic and behavioral responses for the face-voice mismatch effect was found in the left OFC. Our results highlight the potential of fNIRS for unraveling the neural processing of human and robot audio-visual stimuli, which might enable optimization of social robot designs and contribute to elucidation of the neural processing of human and robot stimuli in the PFC in naturalistic conditions.

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An Exploratory Analysis of the Neural Correlates of Human-Robot Interactions With Functional Near Infrared Spectroscopy

Yorgancıgil

Yildirim

Ürgen

et al. 2022

Front. Hum. Neurosci.

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show abstract

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Attention Guidance Technique Using Visual Subliminal Cues And Its Application On Videos

Cited by 1 publication

References 72 publications

An Exploratory Analysis of the Neural Correlates of Human-Robot Interactions With Functional Near Infrared Spectroscopy

An Exploratory Analysis of the Neural Correlates of Human-Robot Interactions With Functional Near Infrared Spectroscopy

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