Continuous color changes of an array of elements appear to stop changing if the array undergoes a coherent motion. This "silencing" illusion was demonstrated for adults by Suchow and Alvarez ("Current Biology", 2011, vol. 21, pp. 140-143). The current forced-choice preferential looking study examined 4-month-old infants' sensitivity to the…

Assesses the effects of the specific route traveled, intervening barriers, and different lengths of routes on the spatial knowledge of second graders, sixth graders and college students for a novel experimental environment. (MP)

Malawian children and young adults displayed sensitivity to static information for depth when stimulus objects subtended equal visual angles. When the more distant object was larger but subtended a smaller visual angle than the nearer, subjects tended to base judgments on retinal size. Motion paralax information increased accuracy of judgments of…