Recently a friend and past student sent me a drawing that
amazed her, and reminded me of how seeing something astonishing, made with
skillful illusionistic trickery, has been a source of entertainment throughout
history. Several things converge at this particular enjoyment. Neuroscientists Stephen
Macknik and Susana Martinez-Conde wrote a book with Sandra Blakeslee on magic
and the brain that includes a section on Trompe l’oeil, art that fools the eye.
Like in performance magic, the unexpected and seemingly impossible induces a
childlike delight and the desire to share the experience with others.
Basically, when you fool people about reality you get their
attention. While everything meets our expectations, we stay inside our heads,
but when it deviates from what we expect, it demands notice. The level of focus
and concentration is facilitated by the increased dopamine that comes with
surprise. The brain encourages attention. The pleasure at being fooled in a
non-threatening way is why illusionism has maintained a level of popularity
since ancient times when there were actually artists’ competitions to see who
could do the most realistic work. Not so unlike sports, mastery is appreciated.
The skill necessary to create illusions is another part of
the attraction. Denis Dutton emphasized the innate response to virtuosity. We
are attracted to the beauty of something well done. I’ve read that the brain
made a big jump in size when we started using tools, and again when we started
polishing them. The brain encourages what improves it. The admiration of skill
is a feel-good emotion meant to stimulate our own wish to excel.
Fooling the eye is not about personal taste, the physical
body reacts to what it deems real, so when I go to sweep the paper off the top
of my drawing and discover I’ve drawn it, I can’t help but laugh at fooling
myself. Ira Glass, talking about practicing a magic trick, said you’ve got the
trick when you fool yourself.
Response to illusion is often laughter. And laughter is
demonstrated to be good for us. Studies at the University of Maryland say it’s
good for blood vessels and boosts certain antibodies that build the immune
system. In an article at the Mayo Clinic website they emphasized the
stimulation of organs, intake of oxygen and release of endorphins.
Laughter is known to build flexibility in thinking, loosening
the mind by defying expectations. To release the clutch of a particular way of
seeing is to open the edges of the mind and let in more perspective. Illusion
is a playful reminder of the limits of our perceptions and the wisdom of uncertainty.
Understanding that you are often wrong pushes perception deeper and extends
self-awareness.
Today’s entertainment extends the possibilities for illusion
as 3D movies and virtual reality grow in popularity. The power of computer
graphics to envision whatever can be imagined as a whole world may open the
mind to new ways of thinking. It’s entertainment that stimulates the mind and
opens the possibility of evolving our thinking in a visual spatial way.
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