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Simultaneous eye tracking of infant and caregiver. Third-person view (bottom panel) shows infant and caregiver playing while wearing head-mounted eye trackers. Eye trackers captured the first-person views of infant (top left) and caregiver (top right). White cross-hairs indicate each observer’s point of gaze. White circles show the cursor (4º radius) used by coders to determine when infants and caregivers looked at toys and faces.
