of the Month #16: May-June 2011 Back | Home
this page you can test your visual ability with interactive
optical illusion challenges. Each month, we
will post new puzzling illusions to solve and/or to
comtemplate: ambiguous and completion figures, impossible
figures, hidden objects, illusions involving colors,
geometric illusions, illusory moving patterns, verbal
illusions and paradoxes.
these illusions were adapted/designed by the authors
with the aim of allowing the visitor/reader to:
• discover how we
• test and enhance
the power of observation and critical thinking skills,
• improve mental flexibility,
• have fun being deceived
by puzzling visual challenges.
You can use the SVI
feature below in your non-commercial webpage
for free as long as you leave the copyright and
author's info intact and link to
a look at this intriguing Venetian mask...
Do you notice something particular?
What kind of emotion do its features express?
see what is going on in the picture, just watch the video!