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Cognitive errors highlighted by the absence of manual marking (black cross) combined with fixations within the polyp region as defined by the blue bounding box as illustrated by the heat maps (red indicating longer duration gaze, i.e. more fixations), indicating that the participant did observe polyp. (a) LST‐NG‐F subtype (Paris IIa, 30 mm). (b) Sessile serrated lesion (Paris Is, 9 mm). (c) Sessile serrated lesion (Paris IIa, 10 mm).
