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Stimuli and Classical Conditioning

Stimulus is a strong incentive moment; internal or external factor causing a reaction or an effect. In physiology, stimulus is a change in the internal or external environment, influencing the receptor and causing a reflex reaction.

Classical conditioning is an acquired reflex inherent in each single individual that arises during the life of the individual and is not genetically fixed. It is formed on the basis of unconditioned reflexes with the participation of the higher parts of the brain. It is a learning procedure when a biologically strong stimulus is paired with a previously neutral stimulus.

In relation of the conditioned stimulus to the responses signaled by it, there are natural and artificial classical conditionings.

Natural classical conditioning is reflexes, which are formed on the stimuli, which are natural, always accompanied by certain characteristics and properties of the unconditioned stimulus, on the basis of which they are produced (for example, the smell of meat when eating). Natural classical conditioning compared is more easily formed and has greater strength.

Artificial classical conditioning is conditioned reflexes formed on the stimuli that do not usually have a direct relation to the unconditional stimulus (for example, a light stimulus, supported by food).

Development of classical conditioning secretory reflex begins with the fact that an unconditioned reflex runs first. Then, the stimulus that causes the unconditioned reflex (food) is being repeatedly combined with any other randomly chosen stimulus – the sound, light, touch, electrical stimulation. After a number of combinations saliva begins to be released not for food, but for an initially indifferent stimulus that in the learning process becomes a conditioned signal. There comes a stage when the conditioned reflex is formed. This means that an association between the conditioned stimulus and the unconditioned stimulus has already developed and strengthened, which is adequate to run the unconditioned reflex.

The three rules are necessary for the elaboration of a conditioned reflex.

First, the conditional stimulus must precede the action of the unconditioned stimulus. For example, in the development of food conditioned reflex, it is necessary that the sound is turned on before the appearance of the food.

Second, the biological significance of the conditioned stimulus should be less than of an unconditional one. For example, for the nursing mother, a cry of a child will be a more powerful stimulus than food reinforcement.

Third, the power of both conditional and unconditional stimuli must be of a certain size (the law of force).

Stimulus is a strong incentive moment; internal or external factor causing a reaction or an effect. In physiology, stimulus is a change in the internal or external environment, influencing the receptor and causing a reflex reaction.

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Assignment ID
100001743
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CREATED ON
September 25, 2016
COMPLETED ON
September 26, 2016
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$34
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Essay Example Comments
jeihan
December 7, 2016
jeihan
great job
jeihan
December 7, 2016
jeihan
thank you
jeihan
December 5, 2016
jeihan
great essay,thank you