Creative Expression Evolution

A part of me was wondering earlier... have we (as adults) lost our creative motivation because our canvases are too small?  I personally feel that the amount of things I'd like to express cannot be condensed to a canvas that's smaller than my body.  Is this why babies and children have an easier time creatively expressing themselves?  

Check out the link below to see how this woman fuses art and energetic expression...

Emptied Gestures