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How many legs do I have? look at them. complex illusion depends on
Ex:- Rubin color, contrast, and peripheral
Vase : Now vision. Focus very hard in the
have a look at middle of the image and the
this picture, motion will stop.
what do you Ex-Rotating wheels When your
see? A vase or eyes dart to one seemingly spin-
two faces? ning circle, the others around
In the example here, since our Distorting or geometrical-optical them appear to start
eyes uses the edges of objects illusions are characterized by rotating. Your eyes don’t know
to distinguish what that object distortions of size, length, where to look!
is, we see that the elephant has position or curvature. Pattern illusions Hidden
a multitude of legs. Ex:- Muller-Lyerillusion : messege Lose your focus a
Physiological Optical Illu- Which horizontal line is short- bit (try to
sions er: the top or the bottom? go a little
These are They’re of the same size, even cross-eyed)
caused when though your mind perceives and you’ll
we have an the one with outward wings to spot a
e xce ssive be longer. secret mes-
amount of Paradox illusions (or sage in the black dots. Take
stimuli for a certain period of impossible object illusions) a closer look, though, and the
time (light/brightness, colour, are generated by objects that words will disappear from
movement, flashes, etc.) and are paradoxical or impossible. sight. After images Have you
the affect it has on our brain or It may look okay on paper, but ever seen something even
eyes.Now take a look at the the minute you consider after you’ve stopped looking at
image below for a minute, and whether it can exist in real life, it.
then take a look at the blank you’ll Light Bulb- Stare closely at
space while blinking. be scratching your head. this light bulb for 25 seconds.
COGNITIVE OPTICAL Ex- Penrose triangle. It’s an Then immediately stare at a
ILLUSIONS illusion dependent on a white wall or sheet of paper.
These are caused by “uncon- cognitive misunderstanding What do you see?
scious inferences” that our that adjacent edges must join. 3. Large and small
brain makes when looking at Fiction is when a figure is Which blue dot is bigger: the
certain objects. Aspects like perceived even though it is not one on the left or the one on
shape, color and size pop up in the stimulus, like with the the right?
naturally from our neural Kanizsa triangle. This one is 4. How many colors?
circuit and influence what we common cognitive illusions in Can you
see. These illusions then occur which we see a bright white figure out
when this natural, unconscious triangle when there actually how many
process of organisation by our isn’t one there.This is due to colors are
brain conflicts with our the contrast in colours and the in this image in total? Did you
reasoning when we angles of the Pac Man guess four? Now enjoy these
consciously look and disks,leading our mind illlusions and share with your
take in the image. to create the white family and friends.
Ambiguous Illusions triangle in the middle.
These are illusions Anomalous Motion Source:-https://en.m.wikipedia.org
that have two Sometimes things /wiki/Optical_illusion
https://kids.niehs.nih.gov/games/rid-
pictures in them; Hemlata look like they are dles/illusions/index.htm
which one you see PGT, Physics moving, but they https://www.rd.com/article/opti-
depends on how you RSKV Patparganj really aren’t! This cal-illusions/
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