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Direct gaze enhances interoceptive accuracy
Tomoko Isomura1, Katsumi Watanabe2
1Faculty of Science and Engineering, Waseda University, Tokyo, Japan.
Cognition
|November 12, 2019
Summary
Direct gaze enhances bodily self-awareness by improving interoceptive accuracy (IAcc), the ability to sense internal body signals. This social cue boosts awareness of internal sensations, particularly for those with lower baseline IAcc.
Area of Science:
- Neuroscience
- Social Psychology
- Cognitive Science
Background:
- Direct gaze is a potent social signal influencing human cognition and self-awareness.
- Bodily self-awareness, specifically interoceptive accuracy (IAcc), is crucial for understanding internal bodily states.
- Previous research has not fully explored the impact of direct gaze on interoceptive processing.
Purpose of the Study:
- To investigate whether direct gaze modulates interoceptive accuracy (IAcc).
- To determine if social cues, specifically gaze direction, impact the ability to monitor internal bodily sensations.
- To explore the relationship between gaze perception and the social nature of self-awareness.
Main Methods:
- Participants viewed images of faces with direct gaze, averted gaze, or a neutral baseline (white cross).
- Interoceptive accuracy was measured by participants' ability to count their heartbeats without external aids.
- Heart rate was monitored to distinguish between heightened sensitivity and physiological arousal.
Main Results:
- Direct gaze significantly increased interoceptive accuracy compared to averted gaze or baseline conditions.
- The enhancement in IAcc was more pronounced in individuals with lower baseline interoceptive abilities.
- No significant differences in heart rate were observed between direct and averted gaze conditions, suggesting heightened sensitivity rather than arousal.
Conclusions:
- Direct gaze acts as a social signal that enhances bodily self-awareness by improving interoceptive accuracy.
- The findings support the role of social cues in interoceptive processing and the social construction of self-awareness.
- Direct gaze modulates the sensitivity to internal bodily signals, independent of physiological arousal.
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