A new study has found that people have a preferred distance at which they judge depth most accurately. They overestimate depth when objects are closer and underestimate depth when objects are farther away. In the research on depth perception the research team coordinated by Fulvio Domini professor of cognitive linguistic and psychological sciences at Brown University and senior scientist collaborator at the Istituto Italiano di Tecnologia (IIT) in Italy has shown that they could manipulate the distance at which adults accurately perceived depth both through sight and touch by tricking them into thinking they had a longer reach
