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Implicit processing during change blindness revealed with mouse-contingent and gaze-contingent displays
Andrey Chetverikov1,2,3, Maria Kuvaldina4, W Joseph MacInnes5
1The Icelandic Vision Laboratory, University of Iceland, Reykjavik, Iceland. andrey@hi.is.
Attention, Perception & Psychophysics
|January 25, 2018
Summary
Change blindness, the failure to notice significant visual changes, is partly due to implicit processing. A new mouse-controlled method improved target detection by partially decoupling attention.
Area of Science:
- Cognitive Psychology
- Neuroscience
- Visual Perception
Background:
- Change blindness demonstrates limitations in human visual awareness.
- Implicit processing and attention dynamics are key factors in change blindness.
Purpose of the Study:
- Investigate the role of implicit processing in change blindness.
- Differentiate between overt and covert attention using novel paradigms.
- Examine if affective devaluation contributes to unnoticed targets.
Main Methods:
- Compared gaze-contingent and mouse-contingent displays to manipulate attention.
- Analyzed eye movement and behavioral data for implicit processing.
- Assessed target detection and search patterns under different attentional controls.
Main Results:
- Unnoticed targets undergo implicit processing, albeit shallower than consciously detected ones.
- Mouse-contingent displays, allowing untethered attention, altered search patterns and accelerated target detection.
- Implicit processing may link to covert attention, but a direct causal connection was not definitively established.
Conclusions:
- Implicit processing plays a role in change blindness, but its depth is limited.
- Decoupling overt and covert attention can enhance change detection efficiency.
- Further research is needed to fully elucidate the relationship between attention and implicit processing in visual awareness.
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