You are not perceiving what is out there

The brain computes on a need to know

 basis, it does not need to know 

everything.

Profiles/vase

Profiles/vase

Image opposite: is probably best known as the faces–vase image

When we look at this image nothing changes on the page but something has changed in the brain.

Why is this? The brain makes 

assumptions about the incoming data 

and these assumptions are based on 

our previous experience.

One might then argue that you are not perceiving what is out there you are perceiving whatever your brain tells you.

. Our brains,  our hearing, our vision has been sculpted by evolutionary pressures and in theview of a large body of neuroscientists we are outstandingly poor observers of  what is

'out there;'.



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