Environmental Education

By Khan

Key
words; classical conditioning theory, conditioned reflex, unconditioned
reflex/response, Pavlov experiment, basic concepts in classical
conditioning, strengths and limitation of classical conditioning, classical
conditioning in classroom, behavioral explanation of learning, un
conditioned response (ur), unconditioned stimulus (us), neutral
stimulus, stimulus

Theory of classical conditioning

Classical conditioning is a term used
to describe learning which has been acquired through experience.  One of the best known examples of classical
conditioning can be found with the Russian Psychologist Ivan Pavlov and his
experiments on dogs.

It is a type of learning, to elicit
(drawing out) a response is transferred from one stimulus to another’s, Pavlov
in his series of experiment where he taught one of his laboratory’s animal a
dog to salivate at the round of a bell by giving meat power along with the bell
many times Pavlov conditioning is called classical because it was the first to
be reported in the book of Psychology. Pavlov also noted that “if a neutral
stimulus (one that does not elicit a certain response) is repeatedly paired
with an unconditioned stimulus (one that does automatically elicit a response)
the neutral stimulus will eventually take on the power to elicit the response.
This is now called classical conditioning.

LITTLE ABOUT PAVLOV

Ivan Petrovich Pavlov (1849-1936) was born in Ryazan a rural
village in Central Russia. After reading translations of the scientific work of
Charles Darwin and others he was enrolled the University of St. Petersburg. He
completed medical studies at the imperial medical academy. Pavlov is best known
for Research Studies of the Digestive System in dogs, exploring between
salivation and digestions.

 

Ivan Petrovich Pavlov

In these experiments, Pavlov trained his dogs to salivate
when they heard a bell ring.  In order to
do this he showed them food, the sight of which caused them to salivate. 

            Later Pavlov
would ring a bell every time he would bring the food out, until eventually, he
could get the dogs to salivate just by ringing the bell without giving the dogs
any food.

Pavlov
experiment on dog

          

In this Simple but ingenious experiment,
Pavlov showed how a reflex (salivation, a natural bodily response) could become
conditioned (modified) to an external stimulus (the bell) thereby creating a
conditioned reflex/response.

•                 
“The
following are 4, elements of classical conditioning”.

Before Conditioning     During conditioning                   after conditioning

UCS   UCR                UCS+CS           CR             CS                     CR

CS R                        Meat+bell         salivation        Bell    
salivation

SOME TERMS WHICH SHOULD BE EXPLAINED:

Behavioral Explanation of learning:

Do you associate the smell of baking
bread with eating fresh bred- a pleasant experience for most people? If you
have learned this association the smell of baking bred will trigger thoughts in
you about eating bread.

•        
Contiguity: The
association of two events that are always closely paired or that repeatedly occurs
at about the sometime.

•        
Stimulus: An
environmental conditions or event that activate the senses.

•        
Response: An
observable reaction to a known (or unknown) stimulus.

•        
Neutral stimulus (NS): An event or happening that has no effect on an organism.

•        
Unconditioned Stimulus (US): An object, event or happening in the physical environment
that causes spontaneous activity in or organism.

•        
UN conditioned Response (UR): An action triggered spontaneously by a stimulus.

•        
Conditioning:
The establishment of a new association between a stimulus and a response.

•        
Conditioned Stimulus (CS): A previously neutral stimulus that elicits a conditioned
response after pairing with an unconditioned response after pairing with an
unconditioned stimulus.

•        
Conditioned response (CR): A response evoked by a conditioned stimulus.

•        
Discrimination:
Learning that it is appropriate to respond to some stimuli but not to others.

Components involved in classical conditioning

            We can gain a better understanding of
classical conditioning by looking at the various components involved in his
experiment.

            The
unconditioned stimulus (Food):  An
unconditioned stimulus is anything, which can evoke a response without prior
learning or conditioning.  For example
when a dog eats some food it causes his mouth to salivate.  Therefore the food is an unconditioned
stimulus, because it causes a reflex response (salivation) automatically and
without the dog having to learn how to salivate. 

            Conditioned
stimulus (Bell):  The conditioned stimulus is created by
learning, and therefore, does not create a response without prior
conditioning.  For example, when Pavlov
rang a bell and caused the dogs to salivate, this was a conditioned stimulus
because the dogs learnt to associate the bell with food.  If they had not learnt to associate the bell
with food they would not have salivated when the bell was rung.

            Unconditioned
Reflex/Response (Salivation):  An
unconditioned reflex is anything that happens automatically without you having
to think about it, such as your mouth salivating when you eat.  Unconditioned reflex – Reflex that happens
automatically and you did not have to learn how to do it.

Conditioned Reflex (Salivation in
response to bell):  A conditioned reflex is a response
which you have learnt to associate with something.  For example, the dogs salivated when Pavlov
rang a bell, when previously (without conditioning) the bell would not cause
the dogs to salivate.

Basic Concepts in Classical
Conditioning:

There are several principles that are associated with
classical conditioning, some of these are:

·       
Extinction:  A conditioned response will disappear over
time when the conditioned stimulus is no longer presented.

  Spontaneous
Recovery:  Sometimes there is a weak
appearance of a previously extinguished response.

  Stimulus
Generalization:  This is when
individual respond in this same way to experience stimuli.  For example, all fuzzy animals scaring a
young child instead of just a fuzzy cat.

·       
Stimulus discrimination:  Organisms can learn
to discriminate between various stimuli.

·       
Higher Order Conditioning:  This is when a
neutral stimulus can cause the conditioned response sense if it had been
associated with the conditioned stimulus.

FORMS OF CLASSICAL CONDITIONS:

•        
Forward Conditioning: It is that form of classical conditioning which is considered
to be the most efficient as regard its result. This is called forward
conditioning. Because the CS is presented first or earlier than UCS. The CS can
be initiated and continued to overlap the CS in time by careful handling of the
stimuli with other factors then a controlled, most efficient and effective
conditioning take place.

•        
Backward Conditioning: This conditioning is just the opposite of forward
conditioning. When then UCS precedes the CS, the procedure is called Backward
conditioning. In this arrangement the acquisition of CR is very slim. In some
cases, where the results have been very positive pseudo conditioning rather
than learning may have been cause

•        
Delayed Conditioning: That type of conditioning where the response is later than the normal
time. In this arrangement the CS is kept sustain for a significant interval
before the outset of the UCS the conditioning, which is result, is known as
delayed conditioning.

STRENGTHS AND LIMITATION OF CLASSICAL CONDITIONING

STRENGTHS:

•        
Pavlov’s
studies of classical conditioning had an impact on research methodology. Both
in terms of the value placed on precise observation and measurement, and the
use of number of experiment to explore one topic with great precision.

•        
At
a more practical level, therapists and other often use classical conditioning
principles to reduce fearful or irrational behaviour in children and adults.
For example, throwing a child who cannot swim into deep water on the assumption
that this will make the child learn to swim is likely to result in the child
developing a fear of water. Therapists often use procedures derived from
classical conditioning to help us overcome such problems.

LIMITATIONS:

Not all behaviour follows the model identified in classical
conditioning. For example, when a child is mute at the time when speech should
be merging. As a result formal instructional procedures based on classical
conditioning principles are not often used. Although classical conditioning can
come about inadvertently, and many irrational fears and phobias as well as
negative or inhabiting responses to daily experience are formed in this way.

CLASSICAL CONDITIONING IN CLASSROOM:

There is a great implication of this model for understanding,
explaining and predicting the classroom situations. A teacher may use this
model to make his instructional planning and classroom teaching more effective
and efficient. The careful choice of conditioned stimuli is order to be
associated with UCS can improve the results of learning. Moreover finding out
those ideas, information or units of presentation which are to be treated
initially as mental stimuli or CS can open the new avenues of fruitful leaning.

VARIOUS QUESTIONS TO BE PUT TO THE THEORY:

•        
Capacity: Such
capacity differences between normal and retarded children have interested luria
in, who has studied the relationship to language development.

•        
Practice:
Conditioned reflexes are strengthened with repetition under reinforcement.

•        
Motivation: In
alimentary reflexes, in which salvation is reinforced by food, the animal has
to be hungry, drive is particularly important in the case of instrumental
responses.

•        
Understanding:
It means utilization of knowledge, utilization of the acquired connections.

•        
Transfer: Where
one stimulus serves to evoke the conditioned reflex learned to another.

•        
Forgetting: As
Pavlov did not deal systematically with the retention or forgetting of
conditioned reflexes over time. Their conditioned reflexes were greatly over
learned.