Perception of object unity in young infants: The roles of motion, depth, and orientation Export

@article{citeulike:5905819, abstract = {One hundred twenty-eight 4-month-old infants were habituated to one of several displays that depicted two rod pieces above and below a box. The effects of common motion, background texture, and orientation of the rod pieces on infants' perception of unity of the partially occluded rod were examined. Infants who viewed displays in which the rod pieces were aligned and presented in front of a textured background, subsequently looked longer at a broken rod (two rod pieces separated by a gap) than at a complete rod, implying that the infants experienced the rod pieces as connected behind the box in the first display. Infants who viewed displays with no background texture, or displays in which the rod pieces were nonaligned but relatable (i.e., connected if extended behind the occluder), looked equally at the two posthabituation displays. Infants who viewed displays containing nonrelatable rod pieces looked longer at the complete rod, implying that nonrelatable edges specify disjoint objects to 4-month-olds. A threshold model, stipulating that perception of object unity is supported by multiple visual cues, is proposed to account for these results. Veridical perception of motion of display elements, depth ordering, and edge orientation are necessary, but not individually sufficient, to support young infants' perception of object unity.}, author = {Johnson, S. P. and Aslin, R. N.}, citeulike-article-id = {5905819}, citeulike-linkout-0 = {http://dx.doi.org/10.1016/S0885-2014(96)90001-5}, citeulike-linkout-1 = {http://linkinghub.elsevier.com/retrieve/pii/S0885-2014(96)90001-5}, doi = {10.1016/S0885-2014(96)90001-5}, issn = {08852014}, journal = {Cognitive Development}, keywords = {development, infants, learning, object\_constancy, occlusion, vision}, month = {June}, number = {2}, pages = {161--180}, posted-at = {2009-10-07 15:30:05}, priority = {0}, title = {Perception of object unity in young infants: The roles of motion, depth, and orientation}, url = {http://dx.doi.org/10.1016/S0885-2014(96)90001-5}, volume = {11}, year = {1996} }

TY - JOUR ID - citeulike:5905819 L3 - citeulike-article-id:5905819 N2 - One hundred twenty-eight 4-month-old infants were habituated to one of several displays that depicted two rod pieces above and below a box. The effects of common motion, background texture, and orientation of the rod pieces on infants' perception of unity of the partially occluded rod were examined. Infants who viewed displays in which the rod pieces were aligned and presented in front of a textured background, subsequently looked longer at a broken rod (two rod pieces separated by a gap) than at a complete rod, implying that the infants experienced the rod pieces as connected behind the box in the first display. Infants who viewed displays with no background texture, or displays in which the rod pieces were nonaligned but relatable (i.e., connected if extended behind the occluder), looked equally at the two posthabituation displays. Infants who viewed displays containing nonrelatable rod pieces looked longer at the complete rod, implying that nonrelatable edges specify disjoint objects to 4-month-olds. A threshold model, stipulating that perception of object unity is supported by multiple visual cues, is proposed to account for these results. Veridical perception of motion of display elements, depth ordering, and edge orientation are necessary, but not individually sufficient, to support young infants' perception of object unity. IS - 2 JF - Cognitive Development SN - 08852014 EP - 180 TI - Perception of object unity in young infants: The roles of motion, depth, and orientation VL - 11 SP - 161 KW - development KW - infants KW - learning KW - object_constancy KW - occlusion KW - vision AU - Johnson, SP AU - Aslin, RN PY - 1996/06// UR - http://dx.doi.org/10.1016/S0885-2014(96)90001-5 ER -