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    The human brain processes faces faster than animals or vehicles across the entire visual field, not just centrally. This face processing advantage extends even in cluttered scenes and at high visual eccentricities.

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    Area of Science:

    • Visual perception
    • Cognitive neuroscience
    • Human vision

    Background:

    • Neuroimaging reveals a central visual field bias for face processing compared to buildings and scenes.
    • Previous studies demonstrated a speed advantage for face detection in the central visual field.

    Purpose of the Study:

    • To investigate if the face processing advantage extends beyond the central visual field.
    • To compare face categorization speed across the entire visual field (10° to 80° eccentricity) against animals and vehicles.

    Main Methods:

    • A saccadic choice task using a head-mounted eye tracker to record the first saccade.
    • Stimuli included faces, animals, and vehicles presented in natural scenes as targets and distractors.
    • Experiments varied eccentricity, visual clutter, and compared faces to structurally similar categories (cars).

    Main Results:

    • Faces maintained a categorization speed advantage over animals and vehicles across the entire visual field up to 80° eccentricity.
    • Performance remained above chance for all categories in crowded conditions at 80° eccentricity.
    • Faces retained their advantage over cars at all tested eccentricities.

    Conclusions:

    • The bias for face processing is not confined to the central visual field.
    • Face categorization benefits from an advantage that persists across a wide range of visual eccentricities.