Children from 6 - 13 years old looked at colored pictures of real world scenes that were manipulated by color , location of objects , or the removal of objects , in the central or peripheral focus of the image .
Children from 6 - 13 years old looked at colored pictures of real world scenes that were manipulated . 
 Manipulations were color , location of objects , or the removal of objects , in the central or peripheral focus of the image .