what term is used to describe a childs inability to see the world
Egocentrism The main concept infants and young children learn by beginning to show egocentrism is the fact that their thoughts, values, and behaviors are different from those of others, also known as the theory of mind.[9] Initially when children begin to have social interactions with others, mainly the caregivers, they misinterpret that they are one entity, because they are together for a long duration of time and the caregivers often provide for the children's needs. For example, a child may misattribute the act of their mother reaching to retrieve an object that they point to as a sign that they are the same entity, when in fact they are actually separate individuals. As early as 15 months old,[5] children show a mix of egocentrism and theory of mind when an agent acts inconsistently with how the children expect him to behave. In this study the children observed the experimenter place a toy inside one of two boxes, but did not see when the experimenter removed the toy from the original box and placed it in the other box, due to obstruction by a screen. When the screen was removed the children watched the experimenter reach to take the toy out of one of the boxes, yet because the children did not see the switching part, they looked at the experimenter's action much longer when she reached for the box opposite to the one she originally put the toy in. Not only does this show the existence of infants' memory capacity, but it also demonstrates how they have expectations based on their knowledge, as they are surprised when those expectations are not met.
Blind spot (vision) A blind spot, scotoma, is an obscurity of the visual field. A particular blind spot known as the physiological blind spot, "blind point", or punctum caecum in medical literature, is the place in the visual field that corresponds to the lack of light-detecting photoreceptor cells on the optic disc of the retina where the optic nerve passes through the optic disc.[2] Because there are no cells to detect light on the optic disc, the corresponding part of the field of vision is invisible. Some process in our brains interpolates the blind spot based on surrounding detail and information from the other eye, so we do not normally perceive the blind spot.