Infants' recognition of a face revealed through motion: contribution of internal facial movement and head movement |
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| Authors: | M Stucki R Kaufmann-Hayoz F Kaufmann |
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| Affiliation: | 1. Department of Pediatrics, Washington University School of Medicine, St. Louis, Missouri;2. Department of Pediatrics, Goryeb Children''s Hospital, Morristown, New Jersey;3. Department of Neonatology, The Rotunda Hospital, Dublin, Ireland;4. School of Medicine, Department of Paediatrics, Royal College of Surgeons in Ireland, Dublin, Ireland;5. Department of Cardiology, Our Lady’s Children’s Hospital Crumlin, Dublin, Ireland;6. Department of Pediatrics, University of Minnesota, Minneapolis, Minnesota;7. Department of Radiology and Imaging Sciences, Indiana University Purdue University, Indianapolis, Indiana;8. Division of Neonatology and Department of Physiology, The Hospital for Sick Children, Toronto, Ontario, Canada;9. Division of Cardiology, The Labatt Family Heart Centre, The Hospital for Children, Toronto, Ontario, Canada;10. Department of Paediatrics, Mount Sinai Hospital, Toronto, Ontario, Canada;11. Department of Pediatrics, Northwestern University Feinberg School of Medicine, Chicago, Illinois;1. University of Toronto, 45 Walmer Road, Toronto, Ontario, Canada M5R 2X2;2. University of Delaware, Newark, DE 19716, United States;3. LPNC – Université Grenoble Alpes, CNRS, Grenoble 38400, France;1. University of Glasgow, Institute of Neuroscience and Psychology, United Kingdom;2. University of Saint Andrews, School of Neuroscience and Psychology, United Kingdom;1. Department of Psychology and Cognitive Sciences, University of Trento, Rovereto, TN, Italy;2. Division of Psychology, Nanyang Technological University, Singapore;3. RIKEN Brain Science Institute, Laboratory for Advanced Brain Signal Processing, Saitama, Japan;4. RIKEN Brain Science Institute, Laboratory for Developmental Gene Regulation, Saitama, Japan;5. Eunice Kennedy Shriver National Institute of Child Health and Human Development, Bethesda, MD, USA;1. The Clinical Hospital of Chengdu Brain Science Institute, MOE Key Laboratory for Neuroinformation, University of Electronic Science and Technology of China, Chengdu 611731, People’s Republic of China;2. Department of Obstetrics and Gynecology, Chengdu Women’s and Children’s Central Hospital, Chengdu 610091, People’s Republic of China;3. Department of Psychiatry, University of Cambridge, Cambridge CB2 0SZ, UK;4. Institute for Brain and Psychological Sciences, Sichuan Normal University, Chengdu 610068, People’s Republic of China;5. School of Foreign Languages, University of Electronic Science and Technology of China, Chengdu 611731, People’s Republic of China |
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| Abstract: | The experiment reported here explores 3-month-old infants' ability to recognize a human face from a specific motion pattern lacking static facial features. A woman's face was covered with black makeup and numerous white triangles. It was videotaped while the woman was pretending to interact with a baby. A soft rubber mask was prepared likewise and was videotaped while being moved and deformed by hand. In one condition, the face or mask showed facial movement only, while in a second condition there was internal movement plus head movement. The two stimuli were presented either in upright or in upside-down orientation. Results of 48 subjects indicate that the discrimination of face and mask was easier when the stimuli were presented upright. The absence of head movements did not influence the discriminability. These results suggest that 3-month-old infants organize the moving triangles on the face in the upright orientation into a coherent facelike structure. |
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