Classical the conditioned stimulus and now the subject

Classical conditioning
was first discovered by a Russian physiologist named Ivan Pavloc, this
conditioning is known as a learning process which is occurring through by association
between a stimulus from the environment and a stimulus that is occurring naturally.
It is very important to understand that in the process of classical
conditioning there is a neutral signal placed before reflex signal that occurs
naturally.

There are three
phases of classical condition, the first phase before conditioning, within this
phase there is a requirement of a stimulus that occurs in a natural way and is spontaneously
create a response.  The second phase is
known as during conditioning and during this phase the neutral response that
was created previously is now being paired with a unconditioned stimulus. When this
pairing occurs there is an automatic connection between the earlier neutral stimuli
and therefor this results in the unconditioned stimulus.  It is important to understand that at this
point the once neutral stimulus is now the conditioned stimulus and now the
subject in the experiment is conditioned to react to this stimulus. The last
phase is known as after conditioning, during this phase there is an emphasis
put on the association that was created between the unconditioned stimulus and
the conditioned stimulus. At this point if the conditioned stimulus is presented
there would be a response regardless of if the unconditioned stimulus is
present. The response that is resulting is named the conditioned response.

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There are five principles
of classical conditioning, the first one is Acquisition, and this is known as the learning stage. Specifically when a
response is first created and then slowly strengthened, during this phase, a
neutral stimulus is joined with an unconditioned stimulus. A neutral stimulus
is known as a stimulus which does not create an automatic response, other than
focusing attention. An unconditioned stimulus is known as the opposite, a response
that occurs naturally and also creates a response without learning. After there
has been a connection made between the two, the subject of the experiment will
then produce a behavioral response to the neutral stimulus and this process is
known to be conditioned stimulus.  The second
principle of classical conditioning is known as Extinction, this can be defined
as the decreasing or eliminating of a condition response. During classical conditioning
this tends to occur when there is no longer a connection between a conditioned
stimulus and unconditioned stimulus. The third principle is spontaneous recovery,
this is the process where a learned response is able to come back even after a
period of extinction has occurred. The fourth principle is known Stimulus Generalization;
this can be defined as the condition stimulus to create responses that are very
similar subsequently to when the response has been conditioned. Last but not least the fifth principle is
known as Stimulus Discrimination, this principal discusses the idea of
discrimination is able to create a difference between the idea of a conditioned
stimulus along with other stimuli which are not associated with a unconditioned
stimulus.

An example of classical condition would be how children react to needles.
For example if there is a lineup of children and the first child begins to cry
after receiving a needle, then the children that have seen that will automatically
begin to cry if they are approached with a needle.  Another example is when a subject that is
working in a office regularly eats lunch at noon, there is colleague who alerts
the rest of the workers about lunch. Sooner or later the subject will not even
check the time your college reminds everyone about lunch. The subject may feel
hungry even before noon because now they have been conditioned to the sound of
their colleague’s voice.