Imagination and reality appear to flow in opposite directions within the brain.
Published on November 22, 2014 by Christopher Bergland in The Athlete's Way
"My Wife and My Mother-In-Law" by William Ely Hill circa 1915.
My Wife and My Mother-in-Law is a famous ambiguous optical illusion in which a woman appears to be both young and old as your brain flips back and forth between two conflicting perceptions. Images like this illustrate how your brain can play tricks on your neural circuitry as your mind struggles to interpret perceptions of reality.
As you look at the image above, what do you see first? When you feel your visual perception shift from the "wife" to the "mother-in-law" can …show more content…
Van Veen concluded, "There seems to be a lot in our brains and animal brains that is directional, that neural signals move in a particular direction, then stop, and start somewhere else. I think this is really a new theme that had not been explored."
Illustrations of Information Flowing Differently During Visual Perception
What animals do you see? Can you feel your brain flip-flop between the two?
As you can see by looking at this ink drawing from 1892, perceptions of reality can be subjective. What animal did you first see when you looked at this sketch?
Does your brain have trouble simultaneously seeing both the duck and the rabbit while looking at the picture? Now close your eyes and imagine the image. Is it easier to loosely flip back and forth between the two in your mind's eye?
This image was made famous by Ludwig Wittgenstein, who included it in his Philosophical
Investigations as a means of illustrating choices you can make when observing the world around you.
In the 1820s, Johannes Purkinje wrote two influential books on the subjectivity of visual perceptions. Purkinje believed that “visual illusions reveal visual