Peripheral overconfidence in a scene categorization task

Area of Science:

• Neuroscience
• Cognitive Psychology
• Visual Perception

Background:

• Visual perception and detection abilities vary across the visual field.
• Metaperception, or visual confidence, shows mixed results regarding peripheral accuracy.
• Previous studies reported overconfidence in peripheral detection and underconfidence in peripheral orientation discrimination.

Purpose of the Study:

• To investigate if metaperception aligns with peripheral vision's strengths in rapid scene categorization.
• To determine if overconfidence occurs in peripheral vision for global scene tasks.
• To examine the influence of task type on metaperceptual biases in peripheral vision.

Main Methods:

• Participants performed rapid scene categorization (desert, beach, mountain, forest) in either the periphery (scotoma) or center (window).
• Task difficulty was manipulated by adjusting the size of the scotoma and window.
• Confidence judgments were compared between central and peripheral viewing conditions.

Main Results:

• Accuracy decreased with larger scotomas and increased with larger windows.
• Participants exhibited overconfidence in peripheral scene categorization, shifting points of equal confidence towards central performance.
• Metacognitive bias reversed when switching from local discrimination to global scene categorization tasks.

Conclusions:

• Metacognitive judgments, or visual confidence, appear to reflect the inherent capabilities and constraints of peripheral vision.
• Peripheral vision's strength in global information processing, not fine detail discrimination, influences metaperceptual biases.
• Overconfidence in the periphery can arise in tasks that leverage its global processing advantages.