Ever wondered why you are able to hear your heartbeat ofr a clock ticking when you try and focus on it while the ticking just disappears into the background when you are doing your daily tasks. Its the brain receiving the same information for a long time, it stops processing it. The same goes for vision. As demonstrated very nicely in this video below the brain processing information s the key to all form of interpretation to the outer world. Ever wondered if this phenomenon is present only in higher vertebrates including humans or present throughout evolution.
Wow.. It does work... Its amazing how our brain perceives signals... And also amazing is the anatomy ... Does the cellular architecture of the human eye have any evolutionary advantage... But then why the blind spot???