In "Drawing on the Right Side of the Brain" the upside down drawing exercise is suggested and i think the reasoning is that people draw facial features as "symb

In "Drawing on the Right Side of the Brain" the upside down drawing exercise is suggested and i think the reasoning is that people draw facial features as "symbols", resorting to their own idea of what a nose looks like / how to draw a nose rather than drawing what they see. Drawing upside down stops this. Maybe this is related.