Answer:
Illusory conjunctions are psychological effects in which participants combine features of two objects into one object. ... Visual illusory conjunctions are thought to occur due to a lack of visual spatial attention, which depends on fixation and (amongst other things) the amount of time allotted to focus on an object.
John could reply with "Its not my fault. I just followed the orders and if I made you look like a fool, wouldnt it also be everyone elses fault too?"
They are both highly selective,most of the time what binds to them. Think of it as a lock and key, if the key fits the lock and it turns then it does what it needs.
