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WATCH OUT for the VISUAL CLIFF
Transcript of WATCH OUT for the VISUAL CLIFF
History Of The Visual Cliff
. was one of the most anecdotes in psychology concerns.
He had been blind his entire life until he was
Even though his sight was restored.
However even if
did regain his sight he did not completely
Is depth perception part of our nature or a developed skill?
4 feet high table
made from a piece of
is a solid surface with a checkered pattern
Under the other half is the same pattern
But it is down at the level of the floor underneath the table
In other words,he did not automatically perceive depth the same way the
As we are talking about cars here is a good advertisement for our subject.
Gibson and Walk took a
position on this topic.
They defended that depth perception is
The opposite view ,held by
,perception of depth is
What stage in development can a person or animal respond effectively to the stimuli of depth and height?
Do animal learn depth perception at different times?
The subjects were
.Also infant of mothers participated.
The infants were placed on a center board and their mothers called them on one end of table.
They repeated the test with
baby chicks,turtles,rats,lambs,goats,pigs,kittens and puppies
to test if other species noticed the cliff.
Let's look at he experiment!
Let's look at the visual cliff
We mentioned babies' and animals' reactions of visual cliff.
So, What About Adults?
Gibson E.,Walk R.(1960).
Watch out for the
in the study
all off the center board.
were called by their m
from the shallow side and
and crossed the glass.
the brink off the visual cliff
Most animals did not cross over
Animals are on the Visual Cliff Experiment
such as the
did not cross over the deep side because they are nocturnal creatures.Their
help for perceive depth.
The worst performance was belong to
.Because they are see animal.
Mainly focus on,whether they actually proved depth perception innate in humans,because
all the subjects had already learned to avoid situa
A later study placed babies ages
the glass over a deep side of the visual cliff showed the babies decrease in heart rate,
being a sign of interest not fear.
The mothers were told to make happy faces for the baby to crawl over the cliff and scared faces for the baby to have hesitation whether to stay on the shallow side or the deep side.
Importance Of Social Referencing
Scientist Strickland developed a system that incorporates virtual reality to help
safely interact with around them.
Another study is by Berger and Adolph (2003) to test
how babies recognize the height.
They used the bridges of different
cross wide bridges over narrow ones.
RECENT APPLICATIONS -2
Behavioral scientists were debating whether this or other perceptual abilities are
The truth may be compromise between
Before my presentation...
6 October 1923 – 28 February 2015